Multicast communication method using layer 2 and 3 switches

Details Multicast communication method using layer 2 and 3 switches Multicast communication method using layer 2 and 3 switches

2004-03-09

2009-12-29

Nguyen, Steven H (Department: 2416)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S401000, C370S412000, C370S432000

Reexamination Certificate

active

07639683

ABSTRACT:
A communication method in a multicast communication network constructed including Layer-2 switches and able to selectively distribute multicast packets to only designated receiving terminals (i.e. receivers), comprising providing a multicast receiving terminal discrimination mechanism for discriminating the multicast receiving terminals and selectively distributing multicast packets to only receiving terminals requesting distribution of multicast packets when there are receiving terminal relating to requests under a Layer-2 switch.

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Internet Engineering Task Force, “RFC 3376: Internet Group Management Protocol, Version 3”, Oct. 2002, pp. 1-53.
Notice of Reasons for Rejection dated Feb. 7, 2008, with translation, from the corresponding Japanese Application.

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