IP multi-cast video ring distribution and protection

Details IP multi-cast video ring distribution and protection IP multi-cast video ring distribution and protection

2011-01-25

2011-01-25

Kumar, Pankaj (Department: 2467)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S406000

Reexamination Certificate

active

07876753

ABSTRACT:
An IP Video distribution and protection system provides lower cost by using a reduced number of expensive IP multi-cast router high-speed ports. A multi-cast data source comprises at least one multi-cast router and a multi-cast server. The data source is coupled to a plurality of multi-cast data destinations via a data distribution network comprising a first and a second ring. The data destinations are communicatively linked together in the first ring for data flow in one direction. The second ring network communicatively connects the data source to the last data destination in the first ring for data flow in a different direction though the destinations. Each destination includes switching elements enabling the destinations to provide data in either direction to end users linked to the respective data destinations.

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