Method and apparatus for internetworking buffer management

Details Method and apparatus for internetworking buffer management Method and apparatus for internetworking buffer management

1998-02-17

2000-08-22

Coulter, Kenneth R.

Electrical computers and digital processing systems: multicomput

Multicomputer data transferring via shared memory

711153, G06F 15167

Patent

active

061086924

ABSTRACT:
A method and apparatus for receiving and transmitting network frames via an internetworking device, in which a first portion of a total number of buffers is allocated among port-dedicated buffer pools, and a second portion is placed in a common pool accessible by any of the network ports. A frame is received at a first port, and a list of buffers accessible only by that port is referenced to identify buffers not already in use. A second list of buffers in the common pool is referenced to identify unused buffers for use if insufficient unused buffer space is available in the port-dedicated buffer pool. Frame data is then stored in the identified buffer(s). Upon retransmission, the buffer(s) used to store the. transmitted frame is released to the port-dedicated and/or common buffer pool(s).

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