16 - The Future of IP (IPv6) Motivation for IPv6,...

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The Future of IP (IPv6) Motivation for IPv6, Addressing, Datagram Format, Paths
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Motivation IP has been extremely successful at coping with the expansion of The Internet and changes in network hardware over 20 years! However: limited address space will soon run out new application requirements real-time audio and video require guaranteed service collaboration technologies require ways of sending packets to groups of hosts
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What is in a name? The current IP is IPv4 The new version was originally called IP - The Next Generation ( IPng ), but this became associated with several proposals The final proposal is called IPv6
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Key features of IPv6 Connectionless like IPv4 128 bit address size Different addressing modes: unicast, multicast and cluster Extension headers Support for audio and video
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Three types of address unicast - address corresponding to a single computer. Datagram sent along shortest path multicast - address corresponding to a set of computers,
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This note was uploaded on 08/14/2011 for the course ELECTRONIC G52CCN taught by Professor Professorgail during the Spring '09 term at Uni. Nottingham.

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16 - The Future of IP (IPv6) Motivation for IPv6,...

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