Nt1230 - Unit 3 Assignment 1

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Jennifer Schneider – NT 1230 – Client-Server Networking – Unit 3; Assignment 1 IPv6 Addressing 1.) Research the following organizations and explain their involvement with the Internet Public IP Addresses a. American Registry for Internet Numbers: Allocates, transfers and records maintenance of IP addresses as well as reverse DSN. b. Internet Assigned Numbers Authority: Allocates IP addresses from the pools of unallocated addresses to the RIRs according to their needs as described by global policy and to document protocol c. Asia-Pacific Network Information Center: Distributes and maintains IPv6 addresses 2.) Approximately how many IPv4 addresses are possible? There are approximately 4.3 billion IPv4 addresses available. 3.) Approximately how many IPv6 addresses are possible? There are 340,282,366,920,938,463,463,374,607,431,768,211,456 Ipv6 addresses available 4.) Why do you think the world is running out of IPv4 addresses? The internet really started in the 70s as a DARPA research project. At the time, there were 60 or so institutions expected to connect. As the interested research community grew, the addressing scheme was expanded from 8 bits (256 addresses in the predecessor to Internet Protocol (IP) known as Network Control Protocol (NCP)) to 32 bits (the IPv4 addresses we have today). At the time, it was still expected that the internet would serve largely defense, research, and educational institutions. It was essentially a laboratory experiment on a really large scale. The expectation was that 3.2+ billion addresses would be way more than enough for the anticipated few million users. At the time, nobody had even thought of the world wide web or any consumer applications for the internet. (Tech Crunch; 2/2/2011) 5.) How long do you think it will take before the IPv4 addresses are completely exhausted? I believe it will take many years for the IPv4

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