Method and apparatus for providing continuous availability of ap

Details Method and apparatus for providing continuous availability of ap Method and apparatus for providing continuous availability of ap

1989-04-27

1991-06-25

Atkinson, Charles E.

Boots, shoes, and leggings

3642222, 36424294, 3642851, 3642852, 371 91, 371 12, G06F 1120, G06F 1300

Patent

active

050272691

ABSTRACT:
A method and apparatus for maintaining active sessions between communicating logical units in a computer network when an application system fails without having to re-establish the active sessions. By activating a persistent sessions capability at one of the logical units, the active sessions can be suspended and maintained while attempts at recovery are made. Recovery attempts include restarting the failed application or switching the suspended sessions to an alternate instance of the logical unit. The suspended sessions are resynchronized with the application system and session activity is resumed.

REFERENCES:
patent: 4458311 (1984-07-01), Clements et al.
patent: 4586134 (1986-04-01), Norstedt
patent: 4751702 (1988-06-01), Beier et al.
patent: 4791566 (1988-12-01), Sudama et al.
patent: 4969092 (1990-11-01), Shorter

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