Selective header field dispatch in a network processing system

Details Selective header field dispatch in a network processing system Selective header field dispatch in a network processing system

2008-06-23

2010-11-02

Moe, Aung S (Department: 2474)

Multiplex communications

Communication techniques for information carried in plural...

Byte assembly and formatting

C370S393000, C370S474000

Reexamination Certificate

active

07826486

ABSTRACT:
A method and structure is disclosed for dispatching appropriate data to a network processing system comprising an improved technique for extracting protocol header fields for use by the network processor. This technique includes basic classification of a packet according to the types of protocol headers present in the packet. Based on the results of the classification, specific parameter fields are extracted from corresponding headers. All such parameter fields from one or more protocol headers in the packet are concatenated into a compressed dispatch message. Multiple of such dispatch messages are bundled into a single composite dispatch message. Thus selected header fields from N packets are passed to the network processor in a single composite dispatch message, increasing the network processor's packet forwarding capacity by a factor of N. Likewise, multiple enqueue messages are bundled into a single composite enqueue message to direct enqueue and frame alterations to be taken on the bundle of N packets.

REFERENCES:
patent: 6990106 (2006-01-01), Bhatia
patent: 7020149 (2006-03-01), Hellwig et al.
patent: 7031330 (2006-04-01), Bianchini, Jr.
patent: 7170893 (2007-01-01), Rajan et al.
patent: 2002/0122411 (2002-09-01), Zimmerman et al.

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