Fast TV channel changing in IPTV network

Details Fast TV channel changing in IPTV network Fast TV channel changing in IPTV network

2007-08-29

2010-10-12

Mattis, Jason E (Department: 2461)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C709S230000

Reexamination Certificate

active

07813287

ABSTRACT:
A router and method are described herein that provide a “fast leave behavior” by instantly aging out group and source records that are associated with the IGMPv3/MLDv2 protocols. In one embodiment, the router and method are part of a triple play service network including a bandwidth-limited Internet Protocol Television (IPTV) network in which the instantly aging out of group and source records is desirable to implement a fast TV channel changing feature (or fast leave behavior).

REFERENCES:
patent: 6950853 (2005-09-01), Garcia-Luna-Aceves et al.
W. Fenner “Internet Group Management Protocol, Version 2”, RFC 2236, Nov. 1997, pp. 1-24.
S. Deering et al. “Multicast Listener Discovery (MLD) for Ipv6”, RFC 2710, Oct. 1999, pp. 1-22.
B. Cain et al. “Internet Group Management Protocol, Version 3”, RFC 3376, Oct. 2002, pp. 1-53.
R. Vida et al. “Multicast Listener Discovery Version 2 (MLDv2) for IPv6”, RFC 3810, Jun. 2004, pp. 1-62.

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