Discuss the following:

  

On October 4, 2021, at 15:39 UTC, the social network Facebook and its subsidiaries, Messenger, Instagram, WhatsApp, Mapillary, and Oculus, became globally unavailable for a period of six to seven hours. 

Read the article "What is BGP, and what role did it play in Facebook’s massive outage by Mitchell Clark (Oct 5, 2021)

1. What types of attacks is Border Gateway Protocol (BGP) susceptible to?
2. What are the implications of an attack on BGP? What might be disrupted?
3. With respect to the article mentioned above, discuss why you support (or reject) the claim that Facebook goofed up its BGP routes, which prevented its DNS servers from finding all of its applications and services.
4. BGP is old and may be imperfect, but it is the best system we have that makes the Internet work. With respect to the article mentioned above, discuss why you support (or reject) the claim that Facebook should be blamed for messing up a routine system update.