Discussion 350 words.
EnnadaPrinciples of Information Systems, Thirteenth Edition
Chapter 6
Networks and Cloud Computing
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Principles of Information Systems, Thirteenth Edition
Chapter 6
Networks and Cloud Computing
Objectives
After completing this chapter, you will be able to:
Identify and briefly describe three network topologies and four different network types
Identify and briefly discuss several types of both guided and wireless communications
Identify several network hardware devices and define their functions
Briefly describe how the Internet and the Web work, including various methods for connecting to the Internet
Objectives
After completing this chapter, you will be able to:
Identify and briefly describe three network topologies and four different network types
Identify and briefly discuss several types of both guided and wireless communications
Identify several network hardware devices and define their functions
Briefly describe how the Internet and the Web work, including various methods for connecting to the Internet
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Objectives
After completing this chapter, you will be able to (cont’d):
Outline the process and tools used in developing Web content and applications
List and describe several Internet and Web applications
Explain how intranets and extranets use Internet technologies, and describe how the two differ
Define what is meant by the Internet of Things (IoT)
Identify and discuss several practical applications of the Internet of Things (IoT)
Objectives
After completing this chapter, you will be able to (cont’d):
Outline the process and tools used in developing Web content and applications
List and describe several Internet and Web applications
Explain how intranets and extranets use Internet technologies, and describe how the two differ
Define what is meant by the Internet of Things (IoT)
Identify and discuss several practical applications of the Internet of Things (IoT)
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Objectives
After completing this chapter, you will be able to (cont’d):
Categorize and summarize several potential issues and barriers associated with the expansion of the Internet of Things (IoT)
Discuss how cloud computing can increase the speed and reduce costs of new product launches
Summarize three common problems organizations encounter in moving to the cloud
Discuss the pros and cons of private and hybrid cloud computing compared to public cloud computing
Objectives
After completing this chapter, you will be able to (cont’d):
Categorize and summarize several potential issues and barriers associated with the expansion of the Internet of Things (IoT)
Discuss how cloud computing can increase the speed and reduce costs of new product launches
Summarize three common problems organizations encounter in moving to the cloud
Discuss the pros and cons of private and hybrid cloud computing compared to public cloud computing
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Network Fundamentals
Computer network: the communications media, devices, and software needed to connect two or more computer systems or devices
Network nodes: the computers and devices on the networks
Organizations can use networks to share hardware, programs, and databases
Network Fundamentals
Computer network: the communications media, devices, and software needed to connect two or more computer systems or devices
Network nodes: the computers and devices on the networks
Organizations can use networks to share hardware, programs, and databases
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Network Topology
Network topology
The shape or structure of a network, including the arrangement of the communications links and hardware devices on the network
Three most common network topologies
Star network
Bus network
Mesh network
Network Topology
Network topology
The shape or structure of a network, including the arrangement of the communications links and hardware devices on the network
Three most common network topologies
Star network
Bus network
Mesh network
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Network Topology
Network Topology
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Network Topology
Network Topology
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Network Topology
Network Topology
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Network Types
A personal area network (PAN) supports the interconnection of information technology close to one person
A local area network (LAN) connects computer systems and devices within a small area (e.g., an office or a home)
A metropolitan area network (MAN) connects users and their devices in an area that spans a campus or city
Network Types
A personal area network (PAN) supports the interconnection of information technology close to one person
A local area network (LAN) connects computer systems and devices within a small area (e.g., an office or a home)
A metropolitan area network (MAN) connects users and their devices in an area that spans a campus or city
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Network Types
Network Types
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Network Types
A wide area network (WAN) connects large geographic regions
WANs consist of:
Computer equipment owned by the user
Data communications equipment and telecommunications links provided by various carriers and service providers
Communications may involve transborder data flow
Network Types
A wide area network (WAN) connects large geographic regions
WANs consist of:
Computer equipment owned by the user
Data communications equipment and telecommunications links provided by various carriers and service providers
Communications may involve transborder data flow
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Client/Server Systems
Client/server architecture features multiple computer platforms dedicated to special functions, e.g., database management, printing, or communications
A client is any computer that sends messages requesting services from the servers on the network
A database server sends only the data that meets a specific query—not the entire file
Client/Server Systems
Client/server architecture features multiple computer platforms dedicated to special functions, e.g., database management, printing, or communications
A client is any computer that sends messages requesting services from the servers on the network
A database server sends only the data that meets a specific query—not the entire file
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Channel Bandwidth
Channel bandwidth: the rate at which data is exchanged
Usually measured in bits/sec
Broadband communications: a relative term; a telecommunications system that can transmit data very quickly
Channel Bandwidth
Channel bandwidth: the rate at which data is exchanged
Usually measured in bits/sec
Broadband communications: a relative term; a telecommunications system that can transmit data very quickly
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Communications Media
Two broad categories
Guided (wired) transmission media: signals are guided along a solid medium
Wireless: the signal is broadcast over airwaves as a form of electromagnetic radiation
Communications Media
Two broad categories
Guided (wired) transmission media: signals are guided along a solid medium
Wireless: the signal is broadcast over airwaves as a form of electromagnetic radiation
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Communications Media
Wireless Technologies
Wireless transmission involves the broadcast of communications in one of three frequency ranges
Radio, microwave, or infrared frequencies
In some cases, use of wireless communications is regulated
The signal must be broadcast within a specific frequency range to avoid interference with other wireless transmissions
Communications Media
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Communications Media
Near field communication (NFC): a very short-range wireless connectivity technology
Designed for consumer electronics, cell phones, and credit cards
Bluetooth: a wireless communications specification that describes how cell phones, computers, personal digital assistants, etc., can be interconnected
Wi-Fi
A wireless telecommunications technology brand owned by the Wi-Fi Alliance
Employs a wireless access point (a transmitter with an antenna) that receives the signal and decodes it
Translates signals into a radio signal and sends it to device’s wireless adapter
The area covered by one or more interconnected wireless access points is called a “hot spot”
Communications Media
Near field communication (NFC): a very short-range wireless connectivity technology
Designed for consumer electronics, cell phones, and credit cards
Bluetooth: a wireless communications specification that describes how cell phones, computers, personal digital assistants, etc., can be interconnected
Wi-Fi
A wireless telecommunications technology brand owned by the Wi-Fi Alliance
Employs a wireless access point (a transmitter with an antenna) that receives the signal and decodes it
Translates signals into a radio signal and sends it to device’s wireless adapter
The area covered by one or more interconnected wireless access points is called a “hot spot”
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Communications Media
Communications Media
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Communications Media
Communications Media
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Communications Media
Microwave Transmission
Microwave is a high-frequency (300 MHz–300 GHz) signal sent through the air
Common forms of satellite communications:
Geostationary satellite
Low earth orbit (LEO) satellite
Communications Media
Microwave Transmission
Microwave is a high-frequency (300 MHz–300 GHz) signal sent through the air
Common forms of satellite communications:
Geostationary satellite
Low earth orbit (LEO) satellite
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Communications Media
Communications Media
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Communications Media
Historical perspective
1G (first generation) of wireless communications standards: originated in the 1980s; based on analog communications
2G (second generation) employed fully digital networks; superseded 1G networks in the early1990s
3G supports wireless voice and broadband speed data communications in a mobile environment at speeds of 2 to 4 Mbps
4G wireless provides increased data transmission rates
3 to 20 times the speed of 3G networks for mobile devices
4G networks are based on Long Term Evolution (LTE)
LTE is a standard for wireless communications for mobile phones based on packet switching
Communications Media
Historical perspective
1G (first generation) of wireless communications standards: originated in the 1980s; based on analog communications
2G (second generation) employed fully digital networks; superseded 1G networks in the early1990s
3G supports wireless voice and broadband speed data communications in a mobile environment at speeds of 2 to 4 Mbps
4G wireless provides increased data transmission rates
3 to 20 times the speed of 3G networks for mobile devices
4G networks are based on Long Term Evolution (LTE)
LTE is a standard for wireless communications for mobile phones based on packet switching
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Communications Media
5G Wireless Communications
Expected characteristics
Higher data transmission rates
Lower power consumption
Higher connect reliability and more coverage
Lower infrastructure costs
Commercial deployment expected to start by 2017
Communications Media
5G Wireless Communications
Expected characteristics
Higher data transmission rates
Lower power consumption
Higher connect reliability and more coverage
Lower infrastructure costs
Commercial deployment expected to start by 2017
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Communications Hardware
Communications Hardware
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Communications Software
Network operating system (NOS)
Systems software that controls the computer systems and devices on a network
Linux, UNIX, Windows Server, and Mac OS X are common NOSs
Network-management software:
Protects software from being copied, modified, or downloaded illegally
Locates telecommunications errors and potential network problems
Communications Software
Network operating system (NOS)
Systems software that controls the computer systems and devices on a network
Linux, UNIX, Windows Server, and Mac OS X are common NOSs
Network-management software:
Protects software from being copied, modified, or downloaded illegally
Locates telecommunications errors and potential network problems
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Communications Software
Mobile device management (MDM) software
Manages and troubleshoots mobile devices remotely, pushing out applications, data, patches and settings
A central control group can maintain group policies for security, control system settings, ensure malware protection is in place for mobile devices used across the network, and make it mandatory to use passwords to access the network
Software-Defined Networking (SDN)
An emerging approach to networking
Allows network administrators to have programmable central control of the network via a controller without requiring physical access to all the network devices
Google is implementing Andromeda
The underlying SDN architecture that will enable Google’s cloud computing services to scale better, more cheaply and more quickly
Communications Software
Mobile device management (MDM) software
Manages and troubleshoots mobile devices remotely, pushing out applications, data, patches and settings
A central control group can maintain group policies for security, control system settings, ensure malware protection is in place for mobile devices used across the network, and make it mandatory to use passwords to access the network
Software-Defined Networking (SDN)
An emerging approach to networking
Allows network administrators to have programmable central control of the network via a controller without requiring physical access to all the network devices
Google is implementing Andromeda
The underlying SDN architecture that will enable Google’s cloud computing services to scale better, more cheaply and more quickly
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The Internet and World Wide Web
The Internet and World Wide Web
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The Internet and World Wide Web
The Internet is international in scope with users on every continent
Internet sites have a profound impact on world politics
Internet censorship
Some countries try to control Internet content and services
ARPANET
Ancestor of the Internet
Project started by the U.S. Department of Defense (DoD) in 1969
Internet Protocol (IP) enables computers to route communications traffic from one network to another
The Internet and World Wide Web
The Internet is international in scope with users on every continent
Internet sites have a profound impact on world politics
Internet censorship
Some countries try to control Internet content and services
ARPANET
Ancestor of the Internet
Project started by the U.S. Department of Defense (DoD) in 1969
Internet Protocol (IP) enables computers to route communications traffic from one network to another
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How the Internet Works
Internet backbone: one of the Internet’s high-speed, long-distance communications links
IP protocol
The set of rules used to pass packets from one host to another
Transmission Control Protocol (TCP): the widely used transport layer protocol that most Internet applications use with IP
IP address: a 64-bit number that identifies a computer on the Internet
How the Internet Works
Internet backbone: one of the Internet’s high-speed, long-distance communications links
IP protocol
The set of rules used to pass packets from one host to another
Transmission Control Protocol (TCP): the widely used transport layer protocol that most Internet applications use with IP
IP address: a 64-bit number that identifies a computer on the Internet
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How the Internet Works
How the Internet Works
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How the Internet Works
Uniform Resource Locator (URL): a Web address that specifies the exact location of a Web page using letters and words that map to an IP address and a host location
Internet Corporation for Assigned Names and Numbers (ICANN) is responsible for managing IP addresses and Internet domain names
Domain names must adhere to strict rules
How the Internet Works
Uniform Resource Locator (URL): a Web address that specifies the exact location of a Web page using letters and words that map to an IP address and a host location
Internet Corporation for Assigned Names and Numbers (ICANN) is responsible for managing IP addresses and Internet domain names
Domain names must adhere to strict rules
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How the Internet Works
How the Internet Works
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Accessing the Internet
Connecting via LAN server
Connection method of businesses and organizations that manage a local area network (LAN)
Connecting via Internet service providers
Internet service provider (ISP) is any organization that provides Internet access to people
You must have an account with the service provider along with software and devices that support a connection via TCP/IP
Accessing the Internet
Connecting via LAN server
Connection method of businesses and organizations that manage a local area network (LAN)
Connecting via Internet service providers
Internet service provider (ISP) is any organization that provides Internet access to people
You must have an account with the service provider along with software and devices that support a connection via TCP/IP
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Accessing the Internet
Accessing the Internet
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Accessing the Internet
Dial-up Internet connection uses modem and standard phone line
Other options include:
Cable modem connections
DSL connections
Satellite connections
Wireless Connection
Internet service over cellular and Wi-Fi networks has become common
Accessing the Internet
Dial-up Internet connection uses modem and standard phone line
Other options include:
Cable modem connections
DSL connections
Satellite connections
Wireless Connection
Internet service over cellular and Wi-Fi networks has become common
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How the Web Works
The Internet
The infrastructure on which the Web exists
Made up of computers, network hardware such as routers and fiber-optic cables, software, and the TCP/IP protocols
The World Wide Web (Web)
Consists of server and client software, the hypertext transfer protocol (http), standards, and markup languages that combine to deliver information and services over the Internet
How the Web Works
The Internet
The infrastructure on which the Web exists
Made up of computers, network hardware such as routers and fiber-optic cables, software, and the TCP/IP protocols
The World Wide Web (Web)
Consists of server and client software, the hypertext transfer protocol (http), standards, and markup languages that combine to deliver information and services over the Internet
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How the Web Works
Hyperlink: highlighted text or graphics in a Web document that, when clicked, opens a new Web page
Web browser: Web client software used to view Web pages
Examples: Internet Explorer, Firefox, Chrome, and Safari
Web site: a collection of pages on one particular topic, accessed under one Web domain
How the Web Works
Hyperlink: highlighted text or graphics in a Web document that, when clicked, opens a new Web page
Web browser: Web client software used to view Web pages
Examples: Internet Explorer, Firefox, Chrome, and Safari
Web site: a collection of pages on one particular topic, accessed under one Web domain
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How the Web Works
Hypertext Markup Language (HTML): the standard page description language for Web pages
Tells the browser how to display font characteristics, paragraph formatting, page layout, image placement, hyperlinks, and the content of a Web page
HTML tags tell the Web browser how to format text and elements to be inserted
Extensible Markup Language (XML): a markup language designed to transport and store data on the Web
Cascading Style Sheets (CSS): a file or portion of an HTML file that defines the visual appearance of content in a Web page
Uses special HTML tags to globally define characteristics for a variety of page elements as well as how those elements are laid out on the Web page
How the Web Works
Hypertext Markup Language (HTML): the standard page description language for Web pages
Tells the browser how to display font characteristics, paragraph formatting, page layout, image placement, hyperlinks, and the content of a Web page
HTML tags tell the Web browser how to format text and elements to be inserted
Extensible Markup Language (XML): a markup language designed to transport and store data on the Web
Cascading Style Sheets (CSS): a file or portion of an HTML file that defines the visual appearance of content in a Web page
Uses special HTML tags to globally define characteristics for a variety of page elements as well as how those elements are laid out on the Web page
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How the Web Works
How the Web Works
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Web Programming Languages
JavaScript
A popular programming language for client-side applications
Use to create Web pages that respond to user actions
Java
An object-oriented programming language from Sun Microsystems based on C++
Allows small programs (applets) to be embedded within an HTML document
Web Programming Languages
JavaScript
A popular programming language for client-side applications
Use to create Web pages that respond to user actions
Java
An object-oriented programming language from Sun Microsystems based on C++
Allows small programs (applets) to be embedded within an HTML document
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Web Programming Languages
Other client-side programming languages include:
ASP.NET
C
C++
Perl
PHP
Python
Web Programming Languages
Other client-side programming languages include:
ASP.NET
C
C++
Perl
PHP
Python
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Web Services
Standards and tools that streamline and simplify communication among Web sites
XML
The key to Web services
Used within a Web page to describe and transfer data between Web service applications
Amazon Web Services (AWS)
Basic infrastructure that Amazon employs to make the contents of its online catalog available to other Web sites or software applications
Web Services
Standards and tools that streamline and simplify communication among Web sites
XML
The key to Web services
Used within a Web page to describe and transfer data between Web service applications
Amazon Web Services (AWS)
Basic infrastructure that Amazon employs to make the contents of its online catalog available to other Web sites or software applications
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Developing Web Content and Applications
Popular tools for creating Web pages and managing Web sites
Adobe Dreamweaver, RapidWeaver (for Mac developers), and Nvu
Many products make it easy to develop Web content and interconnect Web services
Example: Microsoft’s .NET platform which allows developers to use various programming languages to create and run programs
Developing Web Content and Applications
Popular tools for creating Web pages and managing Web sites
Adobe Dreamweaver, RapidWeaver (for Mac developers), and Nvu
Many products make it easy to develop Web content and interconnect Web services
Example: Microsoft’s .NET platform which allows developers to use various programming languages to create and run programs
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Internet and Web Applications
Web 2.0 and the Social Web
Web 2.0: the Web as a computing platform that supports software applications and the sharing of information among users
Social networking Web sites enable users to share information abut themselves and to find, meet, and converse with others
Rich Internet applications are available that run in a Web browser and do not require local installation
Internet and Web Applications
Web 2.0 and the Social Web
Web 2.0: the Web as a computing platform that supports software applications and the sharing of information among users
Social networking Web sites enable users to share information abut themselves and to find, meet, and converse with others
Rich Internet applications are available that run in a Web browser and do not require local installation
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Internet and Web Applications
News
The Web is a powerful tool for keeping informed about local, state, national, and global news
Education and Training
Web is ideally suited as a tool for sharing information and a primary repository of information on all subjects
Distance education offers classes via the Web
Job Information
Providing information about a businesses and its products via Web site and social media increases the company’s exposure and reputation
The Web is an excellent source of job-related information
Examples: www.linkedin.com, www.monster.com, and www.careerbuilder.com
Internet and Web Applications
News
The Web is a powerful tool for keeping informed about local, state, national, and global news
Education and Training
Web is ideally suited as a tool for sharing information and a primary repository of information on all subjects
Distance education offers classes via the Web
Job Information
Providing information about a businesses and its products via Web site and social media increases the company’s exposure and reputation
The Web is an excellent source of job-related information
Examples: www.linkedin.com, www.monster.com, and www.careerbuilder.com
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Internet and Web Applications
Search Engines and Web Research
Search engine
Information on the Web is found by specifying keywords
The market is dominated by Google
Search engine optimization (SEO) is a process for driving traffic to a Web site by using techniques that improve the site’s ranking in search results
Online research databases allow visitors to search for information in thousands of journal, magazine, and newspaper articles
Internet and Web Applications
Search Engines and Web Research
Search engine
Information on the Web is found by specifying keywords
The market is dominated by Google
Search engine optimization (SEO) is a process for driving traffic to a Web site by using techniques that improve the site’s ranking in search results
Online research databases allow visitors to search for information in thousands of journal, magazine, and newspaper articles
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Internet and Web Applications
Instant messaging
Online, real-time communication between two or more people who are connected via the Internet
Microblogging, Status Updates, and News Feeds
Twitter allows users to send short text updates from a smartphone or a Web browser to their Twitter followers
Popularity of Twitter has caused social networks, such as Facebook, LinkedIn, and Tumbler, to include Twitter-like news or blog post feeds
Internet and Web Applications
Instant messaging
Online, real-time communication between two or more people who are connected via the Internet
Microblogging, Status Updates, and News Feeds
Twitter allows users to send short text updates from a smartphone or a Web browser to their Twitter followers
Popularity of Twitter has caused social networks, such as Facebook, LinkedIn, and Tumbler, to include Twitter-like news or blog post feeds
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Internet and Web Applications
Conferencing
The Internet has made it possible for those involved in teleconferences to share computer desktops
GoToMeeting enables employees to attend training without leaving their assigned stations
Telepresence systems use high-resolution video and audio with high-definition displays
Google Voice and Skype allow video chats
Internet and Web Applications
Conferencing
The Internet has made it possible for those involved in teleconferences to share computer desktops
GoToMeeting enables employees to attend training without leaving their assigned stations
Telepresence systems use high-resolution video and audio with high-definition displays
Google Voice and Skype allow video chats
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Internet and Web Applications
Blogging and Podcasting
Web log (blog): a Web site that people can create and use to write about their observations, experiences, and opinions on a wide range of topics
Video log (vlog): blogging with video content
Podcast: an audio broadcast over the Internet
Online Media and Entertainment
Content streaming: a method of transferring large media files over the Internet
The data stream of voice and pictures plays continuously as the file is being downloaded
Music
Internet radio is digitally delivered to your computer over the Internet
Downloaded music may employ Digital Rights Management (DRM) technology to limit the user’s ability to make copies
Internet and Web Applications
Blogging and Podcasting
Web log (blog): a Web site that people can create and use to write about their observations, experiences, and opinions on a wide range of topics
Video log (vlog): blogging with video content
Podcast: an audio broadcast over the Internet
Online Media and Entertainment
Content streaming: a method of transferring large media files over the Internet
The data stream of voice and pictures plays continuously as the file is being downloaded
Music
Internet radio is digitally delivered to your computer over the Internet
Downloaded music may employ Digital Rights Management (DRM) technology to limit the user’s ability to make copies
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Internet and Web Applications
Online Media and Entertainment (cont’d)
Movies, Video, and Television
Hulu Web site and Internet-based television platforms (e.g., Netflix and Joost) provide television programming
Vudu provides access to online movies
YouTube supports the online sharing of user-created videos
Online Games and Entertainment
The market for Internet gaming is very competitive and constantly changing
Many video games are available online
Internet and Web Applications
Online Media and Entertainment (cont’d)
Movies, Video, and Television
Hulu Web site and Internet-based television platforms (e.g., Netflix and Joost) provide television programming
Vudu provides access to online movies
YouTube supports the online sharing of user-created videos
Online Games and Entertainment
The market for Internet gaming is very competitive and constantly changing
Many video games are available online
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Internet and Web Applications
Shopping Online
Shopping on the Web can be convenient, easy, and cost effective
Retail stores provide access to many products that may be unavailable in local stores
Online clearinghouses, Web auctions, and marketplaces provide a platform for businesses and individuals to sell their products and belongings
eBay is the most popular online auction/marketplace
Businesses benefit from shopping online
Internet and Web Applications
Shopping Online
Shopping on the Web can be convenient, easy, and cost effective
Retail stores provide access to many products that may be unavailable in local stores
Online clearinghouses, Web auctions, and marketplaces provide a platform for businesses and individuals to sell their products and belongings
eBay is the most popular online auction/marketplace
Businesses benefit from shopping online
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Internet and Web Applications
Travel, Geolocation, and Navigation
The Web has had a profound effect on the travel industry and the way people plan and prepare for trips
Mapping and geolocation tools
MapQuest, Google Maps, and Bing Maps
Geographic information systems (GIS) provide geographic information layered over a map
Geo-tagging is possible on Twitter and Facebook
Internet and Web Applications
Travel, Geolocation, and Navigation
The Web has had a profound effect on the travel industry and the way people plan and prepare for trips
Mapping and geolocation tools
MapQuest, Google Maps, and Bing Maps
Geographic information systems (GIS) provide geographic information layered over a map
Geo-tagging is possible on Twitter and Facebook
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Intranets and Extranets
Intranet: an internal corporate network built using Internet and World Wide Web standards and technologies
Extranet: a network based on Web technologies that links resources of a company’s intranet with its customers, suppliers, or other business partners
Virtual private network (VPN): A secure connection between two points on the Internet
Tunneling: the process by which VPNs transfer information by encapsulating traffic in IP packets over the Internet
Intranets and Extranets
Intranet: an internal corporate network built using Internet and World Wide Web standards and technologies
Extranet: a network based on Web technologies that links resources of a company’s intranet with its customers, suppliers, or other business partners
Virtual private network (VPN): A secure connection between two points on the Internet
Tunneling: the process by which VPNs transfer information by encapsulating traffic in IP packets over the Internet
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The Internet of Things (IoT)
Internet of Things (IoT)
A network of physical objects (things) embedded with sensors, processors, software, and network connectivity capability to enable them to exchange data with the manufacturer of the device, device operators, and other connected devices
Sensor: a device that is capable of sensing something about its surroundings such as
Pressure, temperature, humidity, pH level, motion, vibration, or level of light
The Internet of Things (IoT)
Internet of Things (IoT)
A network of physical objects (things) embedded with sensors, processors, software, and network connectivity capability to enable them to exchange data with the manufacturer of the device, device operators, and other connected devices
Sensor: a device that is capable of sensing something about its surroundings such as
Pressure, temperature, humidity, pH level, motion, vibration, or level of light
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The Internet of Things (IoT)
The Internet of Things (IoT)
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The Internet of Things (IoT)
Examples of using sensors and the IoT to monitor and control key operational activities:
Asset monitoring
Construction
Agriculture
Manufacturing
Monitoring parking spaces
Predictive Maintenance
Retailing
Traffic monitoring
The Internet of Things (IoT)
Examples of using sensors and the IoT to monitor and control key operational activities:
Asset monitoring
Construction
Agriculture
Manufacturing
Monitoring parking spaces
Predictive Maintenance
Retailing
Traffic monitoring
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The Internet of Things (IoT)
The Internet of Things (IoT)
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Cloud Computing
Cloud computing: a computing environment in which software and storage are provided as an Internet service and accessed with a Web browser
Advantages to businesses:
Businesses can save on system design, installation, and maintenance
Increased efficiency and reduce the costs of new product and service launches
Employees can access corporate systems from any Internet-connected computer
Cloud Computing
Cloud computing: a computing environment in which software and storage are provided as an Internet service and accessed with a Web browser
Advantages to businesses:
Businesses can save on system design, installation, and maintenance
Increased efficiency and reduce the costs of new product and service launches
Employees can access corporate systems from any Internet-connected computer
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Public Cloud Computing
A service provider owns and manages the infrastructure with cloud user organizations (tenants) accessing slices of shared hardware resource via the Internet
Public cloud computing can be a faster, cheaper, and more agile approach to building and managing your own IT infrastructure
However, data security is a key concern
Because when using a public cloud computing service, you are relying on someone else to safeguard your data
Public Cloud Computing
A service provider owns and manages the infrastructure with cloud user organizations (tenants) accessing slices of shared hardware resource via the Internet
Public cloud computing can be a faster, cheaper, and more agile approach to building and managing your own IT infrastructure
However, data security is a key concern
Because when using a public cloud computing service, you are relying on someone else to safeguard your data
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Public Cloud Computing
Cloud computing can be divided into three main types of services:
Infrastructure as a service (IaaS)
Software as a service (SaaS)
Platform as a Service (PaaS)
Public Cloud Computing
Cloud computing can be divided into three main types of services:
Infrastructure as a service (IaaS)
Software as a service (SaaS)
Platform as a Service (PaaS)
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Public Cloud Computing
Public Cloud Computing
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Private Cloud Computing
Private cloud environment
A single tenant cloud
Organization often implement due to concerns that their data will not be secure in a public cloud
Can be divided into two types:
On-premise private cloud
Service provider managed private cloud
Private Cloud Computing
Private cloud environment
A single tenant cloud
Organization often implement due to concerns that their data will not be secure in a public cloud
Can be divided into two types:
On-premise private cloud
Service provider managed private cloud
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Hybrid Cloud Computing
Hybrid cloud
Composed of both private and public clouds integrated through networking
Organizations typically use the public cloud to run applications with less sensitive security requirements
Runs more critical applications on the private portion of the hybrid cloud
Hybrid Cloud Computing
Hybrid cloud
Composed of both private and public clouds integrated through networking
Organizations typically use the public cloud to run applications with less sensitive security requirements
Runs more critical applications on the private portion of the hybrid cloud
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Autonomic Computing
Autonomic computing
The ability of IT system to manage themselves and adapt to changes in the computing environment, business policies, and operating objectives
The goal of autonomic computing:
To create complex systems that run themselves, while keeping the system’s complexity invisible to the end user
Addresses four key functions:
Self-configuring, self-healing, self-optimizing, and self-protecting
Autonomic Computing
Autonomic computing
The ability of IT system to manage themselves and adapt to changes in the computing environment, business policies, and operating objectives
The goal of autonomic computing:
To create complex systems that run themselves, while keeping the system’s complexity invisible to the end user
Addresses four key functions:
Self-configuring, self-healing, self-optimizing, and self-protecting
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Summary
A network has many fundamental components, which enable people to meet personal and organizational objectives
Together, the Internet and the World Wide Web provide a highly effective infrastructure for delivering and accessing information and services
Organizations are using the Internet of Things (IoT) to capture and analyze streams of sensor data to detect patterns and anomalies in order to have a considerable impact on the event outcome
Cloud computing provides access to state-of-the-art technology at a fraction of the cost of ownership and without the lengthy delays that can occur when an organization tries to acquire its own resources
Summary
A network has many fundamental components, which enable people to meet personal and organizational objectives
Together, the Internet and the World Wide Web provide a highly effective infrastructure for delivering and accessing information and services
Organizations are using the Internet of Things (IoT) to capture and analyze streams of sensor data to detect patterns and anomalies in order to have a considerable impact on the event outcome
Cloud computing provides access to state-of-the-art technology at a fraction of the cost of ownership and without the lengthy delays that can occur when an organization tries to acquire its own resources
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