Efficient send socket call handling by a transport layer

Details Efficient send socket call handling by a transport layer Efficient send socket call handling by a transport layer

2005-12-12

2009-08-04

Lazaro, David (Department: 2455)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

Computer-to-computer data transfer regulating

C709S226000, C370S389000, C370S465000

Reexamination Certificate

active

07571247

ABSTRACT:
A method, system, and program provide for efficient send socket call handling by a transport layer. A transport layer of a network protocol stack receives a send socket call for data of a specified length from an application layer. Responsive to detecting that there is insufficient memory for a single memory allocation to a buffer in the transport layer for at least the specified length, the transport layer blocks the send socket call. The transport layer only wakes the send socket call upon detection of sufficient memory for the single memory allocation within the buffer of the transport layer for at least the specified length, wherein waking the send socket call triggers a kernel to perform the single memory allocation in the buffer and to write the data to the single memory allocation in a single pass.

REFERENCES:
patent: 2003/0002508 (2003-01-01), Dierks, Jr. et al.
patent: 2005/0086359 (2005-04-01), Banerjee et al.
patent: 2005/0135352 (2005-06-01), Roe et al.
Performance Management Guide, International Business Machines Corporation, 31 pages, [online], [accessed on Oct. 1, 2005]. Retrieved from the internet <URL: http://publib16.boulder.ibm.com/pseries/en—US/aixbman/prftungd
etperf3.htm>.
Performance Management Guide, International Business Machines Corporation, 13 pages, [online], [accessed on Oct. 1, 2005]. Retrieved from the internet <URL: http://publib16.boulder.ibm.com/pseries/en—US/aixbman/prftunggd
etperf1.htm>.

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