The IPv6 communication model

Document Type Expired Internet-Draft (individual)
Authors 加藤 明洋  , Atsushi Onoe  , Kazuhiko Yamamoto 
Last updated 1996-09-23
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This memo discusses semantics of communication with IPv6 addresses. This model introduces three address scope classes, node-local, site-local, and global, for both IPv6 unicast and multicast addresses. For a given packet, all addresses in the packet including those in the routing header must be in the same address scope class. Since the sockaddr_in6 address data structure is extended to be able to hold an interface index number, a kernel and applications can exchange interface information. A source address is uniquely determined with the destination address and the outgoing interface. This memo also clarifies packet processing mechanism for the input, forward, and output function.


加藤 明洋 (
Atsushi Onoe (
Kazuhiko Yamamoto (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)