Method and system for provisioning network resources for dynamic multicast groups
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United States of America Patent
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Apr 29, 2003
Issued Date -
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app pub date -
Oct 22, 1999
filing date -
Oct 22, 1999
priority date (Note) -
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Abstract
A system for provisioning a dynamic multicast group over a differentiated services (DS) network includes an a plurality of edge nodes, each of which includes a respective multicast traffic engineering entity. An ingress node is adapted to serve as a source of data traffic of the dynamic multicast group. An egress node is adapted to serve as a sink of the data traffic of the dynamic multicast group. The multicast traffic engineering entity of the egress node is adapted for receiving information respecting a predetermined service level specification (SLS) of the dynamic multicast group; and provisioning a distribution path from the egress node back to the ingress node, on the basis of the received information respecting the SLS. In a method of the invention, information respecting a predetermined service level specification (SLS) of the dynamic multicast group is received at the egress node; and the distribution path is provisioned from the egress node back to the ingress node, on the basis of the received information respecting the SLS. The advantage is reliable automated provisioning of dynamic multicast trees in differentiated service networks.
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