Aggregating end-to-end QoS signaled packet flows through label switched paths

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United States of America Patent

PATENT NO 7477657
SERIAL NO

10142730

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Abstract

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Techniques are described for supporting end-to-end resource reservation protocols, such as the Resource Reservation Setup Protocol (RSVP), using Multi-protocol Label Switching (MPLS). A routing device, such as an edge router coupling a local network to another network, aggregates packet flow reservation requests, and maps the resource requests to Labeled Switch Paths (LSPs) capable of supporting the requested resources. Requests having common forwarding equivalence classes may be aggregated to flow through a single LSP having resources, such as bandwidth, capable of supporting the requests. Routers and other devices within the network need not monitor and support state information associated with the individual end-to-end packet flows. A method, for example, includes mapping requests for end-to-end packet flows through a network to LSPs within the network, and forwarding packets associated with the end-to-end packet flows along the LSPs based on the mapping.

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Patent Owner(s)

Patent OwnerAddress
JUNIPER NETWORKS INC1133 INNOVATION WAY SUNNYVALE CA 94089

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Murphy, James San Ramon , US 95 1741
Pan, Ping Emerson , US 52 994

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