Socket extensions for redundancy

Details Socket extensions for redundancy Socket extensions for redundancy

2005-08-30

2005-08-30

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C709S227000, C709S237000, C709S238000

Reexamination Certificate

active

06938179

ABSTRACT:
A standard socket interface is provided to implement socket redundancy. The interface includes socket options to create redundant sockets, obtain the status of redundant sockets, as well as providing error information relating to redundant sockets. A redundant socket may be created on a standby side that becomes active should the active side fail. The standby socket is associated with the active side socket. When an active side fails that has a redundant socket created, the standby side socket seamlessly takes over the sockets operations.

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TCP/IP Illustrated vols. 1-3; W. Richard Stevens, Gary R. Wright, Published Nov. 2001; vol. 1—Chapters 3,11, 17, 18, 19, 20, 21; vol. 2—Chapters 8, 15, 16, 17, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32.

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