Method for managing E-tree services in MPLS networks
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United States of America Patent
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Aug 9, 2016
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app pub date -
Sep 6, 2012
filing date -
Sep 6, 2011
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Abstract
A method and device for managing E-tree services in an MPLS network having domains comprising network nodes and links, wherein the network is adapted to accommodate an E-tree structure formed by the network nodes for a specific E-tree service. The E-tree structure comprises a root point communicating with a number of leaf points, so that any network node of the E-tree structure is connected via its ports to links leading to a root point and/or a leaf point of said structure. The method comprises: marking ports of a specific node associated with links leading only to leaf points of the structure while marking differently ports of a specific node, associated with links leading to the root point; marking ports of a specific node connected to incoming or outgoing links of the same domain, and ensuring that traffic will not be returned thereby creating network loops.
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