Internetworking device with enhanced packet header translation a

Details Internetworking device with enhanced packet header translation a Internetworking device with enhanced packet header translation a

1995-07-12

1997-07-22

Kizou, Hassan

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

370401, 39520002, H04J 326, H04L 1246

Patent

active

056510020

ABSTRACT:
An internetworking device providing enhanced packet header translation for translating the format of a header associated with a source network into a header format associated with a destination network of a different type than the source network. The device includes a memory for storing an address portion of a received packet header in a first block of buffer locations and the remainder of the received packet in a second block of buffer locations, spaced from the first block of buffer locations by a gap. The gap permits supplemental header information to be written into the buffer when necessary for translation. The device further includes a split memory, having an SRAM portion and a DRAM portion allocated to each buffer, with at least the address portion of a received packet and the gap located in the SRAM portion, so as to optimize the translation performance of the device.

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