IP Version 6 Addressing Architecture

Link local multicast scope spans the same topological

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Unformatted text preview: iguration. Site-Local scope is intended to span a single site. Organization-Local scope is intended to span multiple sites belonging to a single organization. scopes labeled "(unassigned)" are available for administrators to define additional multicast regions. group ID identifies the multicast group, either permanent or transient, within the given scope. of the Additional definitions multicast group ID field structure are provided in [RFC3306]. Hinden [Page 14] Standards Track RFC 4291 February 2006 IPv6 Addressing Architecture The "meaning" of a permanently-assigned multicast address is independent of the scope value. servers For example, if the "NTP group" is assigned a permanent multicast address with a group ID of 101 (hex), then FF01:0:0:0:0:0:0:101 means all NTP servers on the same interface (i.e., the same node) as the sender. FF02:0:0:0:0:0:0:101 means all NTP servers on the same link as the sender. FF05:0:0:0:0:0:0:101 means all NTP servers in the same site as the sender. FF0E:0:0:0:0:0:0:101 means all NTP servers in the Internet. Non-permanently-assigned m...
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This document was uploaded on 12/31/2013.

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