Multiplex communications – Wide area network – Packet switching
Patent
1992-11-16
1994-11-15
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 8513, H04L 1246, H04L 1266
Patent
active
053655230
ABSTRACT:
Access agents in nodes at the LAN/WAN interface are formed into a group of access agents so that the access agents may be managed by the WAN as a group. The group must maintain group operation integrity in that if communications between agents in the group are broken, the access agents will coalesce into subgroups and continue performing communication jobs as a group activity. Each of the access agents contains a finite state machine to perform the tasks of group formation and maintenance. The formation of interconnected access agents into a group is accomplished by one access agent being identified as a group leader. All other access agents communicating with the group leader within the LAN may then join the group. The maintenance of group activity integrity is accomplished by detecting a break in group communication integrity and thereafter reforming the group into multiple smaller groups. The maintenance of group operation integrity also includes the merger of small groups into a large group when a bridge is added between LAN segments.
REFERENCES:
patent: 5018133 (1991-05-01), Tsukakoshi et al.
patent: 5079765 (1992-01-01), Nakamura
patent: 5079767 (1992-01-01), Perlman
patent: 5138615 (1992-08-01), Lamport et al.
patent: 5172372 (1992-12-01), Konishi
Article, LAN Interconnect Using X.25 Network Services, John J. Barrett pp. 12-16 IEEE Network, Sep. 5, 91, No. 5, New York, H04L 12/66.
IEEE Transactions on Communications, vol. com-28, No. 4, Apr. 1980, "Routing Techniques Used in Computer Communication Networks" by Schwartz pp. 539-552.
Derby Jeffrey H.
Doeringer Willibald A.
Drake, Jr. John E.
Dykeman Douglas H.
Li Liang
International Business Machines - Corporation
Olms Douglas W.
Vu Huy D.
Woods Gerald R.
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