Techniques for distributing information using multicast subsets

Details Techniques for distributing information using multicast subsets Techniques for distributing information using multicast subsets

2006-02-14

2009-11-24

Yao, Kwang B (Department: 2416)

Multiplex communications

Network configuration determination

Using a particular learning algorithm or technique

C370S390000

Reexamination Certificate

active

07623474

ABSTRACT:
Techniques for sending data in a packet-switched communications network include determining multiple subsets of adjacent network nodes of the network. The adjacent network nodes communicate without intervening network nodes with a particular network node through an interface on the particular network node. Each subset includes multiple adjacent network nodes. Subset definition data is sent through the interface. The subset definition data indicates which adjacent network nodes belong to which subset. Data for fewer than all adjacent network nodes in all subsets are sent by including, in a multicast data packet sent over the interface with a multicast destination address, subset identifier data that indicates a particular subset. When such data is received by a node, it is discarded unless the subset identifier matches the receiving node's subset identifier. Among other effects, this allows routing messages to be more efficiently sent to better performing neighboring network nodes.

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B. Cain, et al., Internet Group Management Protocol, Version 3, rfc3376.txt, Oct. 1, 2002, Publisher: www.ietf.org, Published in: Internet, 53pp.

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