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Running head: 1 WAN TECHNOLOGIES 1 WAN TECHNOLOGIES 5

WAN Technology Name Institution

2 POINT-TO-POINT WAN PROTOCOL IT IS ONE OF THE MOST COMMON

TYPES OF WAN CONNECTION THAT IS NOW BEING USED AROUND THE

Word Count: 677

Attachment ID: 188558880

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1 Another student's paper

2 Another student's paper

3 Another student's paper

4 Another student's paper

5 http://netcert.tripod.com/ccna/wan/wan.html

6 Another student's paper

7 Another student's paper

8 Another student's paper

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WORLD TODAY. It is often used for connecting LANs to various WAN service

providers. It is also employed by many organizations to connect LAN segments in their

network (Suo, Wan, Zou, & Liu, 2012). 2 THE POINT-TO-POINT CONNECTION

BETWEEN A LAN TO WAN IS ALSO SOMETIMES REFERRED TO AS A

LEASED LINE CONNECTION DUE TO THE FACT THAT THESE LINES ARE

USUALLY LEASED FROM A SPECIFIC CARRIER MOSTLY FROM A

TELEPHONE COMPANY OR SERIAL CONNECTION.

This type of connection is dedicated for use by the company that leases the lines. This typ

of protocol helps us in establishing host-to-network and router-to-router connections ove

asynchronous and synchronous circuits that have inbuilt security features. The point-to-

point WAN protocol has the capability of working with various network layer protocols

such as ARA, IP and IPX. A good example of point-to-point connection is when we

establish a connection to our Internet Service Provider (ISP) by using a modem (Suo,

Wan, Zou, & Liu, 2012). 2 THIS TYPE OF CONNECTION BETWEEN US AND

THE ISP LEADS TO ESTABLISHMENT OF TWO POINTS ON THE NETWORK

Therefore, this means that the protocol that has been use here is what we call Point-to-

Point Protocol. 3 THERE ARE FOUR COMPONENTS IN THE PPP. These

components encompass; 4 LINK CONTROL PROTOCOL: Used when establishing,

testing and configuring the data link connection; HDLC: It is a method that is usually

used when datagrams over serial links need to be encapsulated; Data Encapsulations: It i

a method that is often employed in encapsulating the multi-protocol datagrams; Network

Control Protocol: It is employed when different Network layer protocols need to be

established and configured. 3 SIMULTANEOUS USE OF MULTIPLE NETWORK

LAYER PROTOCOLS IS POSSIBLE WHEN USING THE PPP. Some examples of

NPCs include; AppleTalk Control Protocol, Cisco Systems Control Protocol etc.

5 PACKET SWITCHED WAN PROTOCOL IT IS A WAN SWITCHING

METHOD WHEREBY NETWORK DEVICES OFTEN SHARE A SINGLE

POINT-TO-POINT LINK WHEN TRANSPORTING PACKETS FROM A

PARTICULAR SOURCES TO ANOTHER DESTINATION ACROSS A CARRIER

NETWORK (DAS, PARULKAR, & MCKEOWN, 2009). 6 THE NETWORK

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DEVICES ARE ABLE TO SHARE THESE CIRCUITS WITH THE HELP OF

STATISTICAL MULTIPLEXING. Some of the examples of the packet-switched WAN

technologies encompass; 7 X.25, ASYNCHRONOUS TRANSFER MODE,

SWITCHED MULTIMEGABIT DATA SERVICE, AND FRAME RELAY. Packet

Switched protocol is usually referred to as independent routing as one of its advantages.

Independent routing enables this protocol to utilize the available bandwidth when packet

are left to travel different routes with an aim of avoiding high-traffic areas.

5 CIRCUIT SWITCHED PROTOCOL IT IS A TYPE OF WAN SWITCHING

TECHNIQUE WHEREBY A DEDICATED PHYSICAL CIRCUIT IS USUALLY

MAINTAINED, TERMINATED, AND ESTABLISHED BY USING A CARRIER

NETWORK IN EACH AND EVERY COMMUNICATION SESSION. 2 THERE

ARE OFTEN TWO TYPES OF TRANSMISSIONS THAT ARE USUALLY

ACCOMMODATED IN THE CIRCUIT SWITCHING. These transmissions include;

datastream transmissions and datagram transmissions (Das, Parulkar, & McKeown,

2009). Circuit switching is often extensively used by many telephone company networks

around the world. 5 THE MAIN AS TO WHY IT IS USED BY MANY

TELEPHONE COMPANY NETWORKS IS BECAUSE OF THE FACT THAT IT

OPERATES MUCH LIKE JUST A NORMAL TELEPHONE CALL. A GOOD

EXAMPLE OF A CIRCUIT-SWITCHED WAN TECHNOLOGY IS THE

INTEGRATED SERVICE DIGITAL NETWORK (ISDN). This protocol utilizes its

bandwidth well because there is always a reliable and consistent connection that exists

between the receiving and the sending device. This makes the transfer of data at a very

first guaranteed rate of transfer.

References Suo, H., Wan, J., Zou, C., & Liu, J. (2012, March). Security in the internet of

things: a review. 8 IN COMPUTER SCIENCE AND ELECTRONICS

ENGINEERING (ICCSEE), 2012 INTERNATIONAL CONFERENCE ON (VOL. 3

pp. 648-651). IEEE.

Das, S., Parulkar, G., & McKeown, N. (2009, July). Simple unified control for packet and

circuit networks. In Summer Topical Meeting, 2009. LEOSST'09. IEEE/LEOS (pp. 147-

148). IEEE.

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