SYSTEM AND METHOD FOR POINT TO MULTIPOINT INTER-DOMAIN MULTIPROTOCOL LABEL SWITCHING TRAFFIC ENGINEERING PATH CALCULATION

SYSTEM AND METHOD FOR POINT TO MULTIPOINT INTER-DOMAIN MULTIPROTOCOL LABEL SWITCHING TRAFFIC ENGINEERING PATH CALCULATION

A system comprising a plurality of path computation elements (PCEs) configured to communicate with an ingress node, jointly compute a core tree for an inter-domain point-to-multipoint (P2MP) tree across a plurality of network domains, and independently compute a plurality of sub-trees in at least so...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHEN, Huaimo, ZHAO, Qianglin Quintin
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A system comprising a plurality of path computation elements (PCEs) configured to communicate with an ingress node, jointly compute a core tree for an inter-domain point-to-multipoint (P2MP) tree across a plurality of network domains, and independently compute a plurality of sub-trees in at least some of the network domains, wherein the core tree connects the ingress node to a boundary node (BN) in each one of the network domains that have a destination node and each sub-tree connects the BN to a plurality of destination nodes in one of the network domains that have a destination node.