System and method for eliminating Streams framework overhead...

Details System and method for eliminating Streams framework overhead... System and method for eliminating Streams framework overhead...

2005-01-31

2008-07-15

Garber, Charles D. (Department: 4144)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

C719S314000, C719S321000, C710S011000

Reexamination Certificate

active

07400650

ABSTRACT:
A system and method for improving the efficiency with which data communications are passed through a protocol stack. Protocol layer modules within a protocol stack built upon the Streams framework are modified to establish tight embraces between adjacent modules. A tight embrace may be established by passing from one, upper, protocol layer module to its adjacent lower protocol layer module a pointer or reference to the upper module's functionality (e.g., rput) for reading a data communication into the upper module from the lower module. Similarly, the lower module passes the upper module a pointer or reference to its functionality (e.g., wput) for writing a data communication into the lower module from the upper module. After a tight embrace is established, the protocol layer modules can directly invoke each other's functionality, without incurring the overhead associated with the Streams framework's “canputnext” and “putnext” messages.

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Streams Programming Guide, Sun Microsystems, Inc., Jan. 2005.

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