Method and apparatus for media distribution using VPLS in a ring topology
First Claim
1. A method of distributing media on a ring topology communications network, comprising:
- configuring multiple nodes and communications links to distribute media in a ring network; and
disabling distribution of the media on a communications link between a selected pair of adjacent nodes in the ring network in a manner maintaining communications between the selected pair of adjacent nodes other than for distribution of the media.
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Accused Products
Abstract
A method or corresponding apparatus is employed for distributing media on a ring network. Multiple nodes and communications links are configured to distribute media in the ring network. Distribution of the media is disabled on a communications link between a selected pair of adjacent nodes in the ring network in a manner maintaining communications between the selected pair of adjacent nodes other than for distribution of the media. This configuration results in a “horseshoe” topology of the ring network with respect to the media, where distribution of the media on the ring network occurs in one or two downstream directions from head-end ingress node(s) on the ring network. Virtual Private LAN Service (VPLS) may be employed to transport the media. In an event of a link or node failure, the disabled link is enabled, allowing for continued distribution of the media with network recovery in a timeframe typically unobservable by an end user.
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Citations
28 Claims
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1. A method of distributing media on a ring topology communications network, comprising:
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configuring multiple nodes and communications links to distribute media in a ring network; and
disabling distribution of the media on a communications link between a selected pair of adjacent nodes in the ring network in a manner maintaining communications between the selected pair of adjacent nodes other than for distribution of the media. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A network, comprising:
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multiple nodes and communications links configured to distribute media in a ring network; and
a communications link between a selected pair of adjacent nodes in the ring network disabled in a manner maintaining communications between the selected pair of adjacent nodes other than to distribute the media. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification