A distributed digital data processing system includes a server and a client that transmit messages over a virtual circuit in a network, the virtual circuit being defined by server virtual circuit information and client virtual circuit information. The server includes a server memory and a server interface....http://www.google.com/patents/US5530905?utm_source=gb-gplus-sharePatent US5530905 - Temporary state preservation for a distributed file service which purges virtual circuit control information after expiration of time limit of inactivity
Temporary state preservation for a distributed file service which purges ...
EXAMINE ANY REMOTE DEVICE STRUCTURES AND CLIENT-SIDE CONNECTION STRUCTURES MAINTAINED BY THE CLIENT TO DETERMINE WHETHER A VIRTUAL CIRCUIT WAS PREVIOUSLY ESTABLISHED WITH SERVER
YES
@FIG.4A
110 —
ENGAGE IN MESSAGE EXCHANGE WITH SERVER OVER VIRTUAL CIRCUIT TO ESTABLISH SESSION THEREWITH
111 —
ESTABLISH CLIENT-SIDE SESSION STRUCTURE ASSOCIATED WITH SESSION
112—H
INSERT SESSION POINTER INTO CLIENT- SIDE VIRTUAL CIRCUIT STRUCTURE TO POINT TO CLIENT-SIDE SESSION STRUCTURE ASSOCIATED WITH SESSION
113—
INCREMENT CONTENTS OF ACTIVE SESSIONS NUMBER FIELD OF CLIENTSIDE VIRTUAL CIRCUIT STRUCTURE
114-H
SET SESSIONS STARTED FLAG IN CLIENT- SIDE VIRTUAL CIRCUIT STRUCTURE