Method and apparatus for hardware packets reassembly in...

Details Method and apparatus for hardware packets reassembly in... Method and apparatus for hardware packets reassembly in...

2011-08-02

2011-08-02

Ferris, Derrick W (Department: 2463)

Multiplex communications

Communication techniques for information carried in plural...

Assembly or disassembly of messages having address headers

C370S412000, C370S230000

Reexamination Certificate

active

07991007

ABSTRACT:
A hardware packets reassembly apparatus and method includes an ingress unit receiving and parsing a data packet, recognizing fragments corresponding to the data packet, and outputting control information of the fragments. An en-queue unit stores the control information of each fragment, links each related fragment based on the control information, and enqueues the data packet when all fragments are available corresponding to the data packet, wherein the data packet is enqueued only when all of the fragments corresponding to the data packet are available in a sequential order. A dequeue unit dequeues the data packet from a packet descriptor, and scheduling the data packet based on a corresponding class of service. An egress unit assembles all fragments corresponding to the data packet into a full packet and outputting the assembled data packet from an output port.

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