Dynamic buffer pool in PCIExpress switches

Details Dynamic buffer pool in PCIExpress switches Dynamic buffer pool in PCIExpress switches

2011-01-11

2011-01-11

Yao, Kwang B (Department: 2473)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

Reexamination Certificate

active

07869356

ABSTRACT:
In a first embodiment of the present invention, a method for handling a Transaction Layer Packets (TLPs) from devices in a switch is provided, the method comprising: subtracting a first number of credits from a credit pool associated with a first port on which a first device is connected; determining if the amount of credits in the credit pool associated with the first port is less than a first predetermined threshold; and if the amount of credits in the credit pool associated with the first port is less than the first predetermined threshold, assigning a second number of credits from a shared credit pool to the credit pool associated with the first port.

REFERENCES:
patent: 7675929 (2010-03-01), Davis
patent: 2005/0259651 (2005-11-01), Yashima
patent: 2007/0208899 (2007-09-01), Freking et al.
patent: 2009/0113082 (2009-04-01), Adar et al.

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