06170017 is referenced by 92 patents and cites 26 patents.

In a client-server environment having a server group including one or more participating servers and one or more controller servers, where each participating server can communicate with at least one controller server, a method for coordinating actions among the servers in the server group comprising the steps of: (1) communicating between a client and at least one of the servers in the server group using a protocol that has limited or no defined procedures for passing state information between the client and the servers; (2) transmitting a request for an action from the client to one of the servers; and (3) communicating among a plurality of servers with at least one controller server coordinating actions of at least some of the servers in response to the request. A preferred embodiment of the method includes providing client identification information once by the client during a conversation, verifying the client identification information by one or more controller servers, generating client authentication information by one or more controller servers that is preserved in the conversation, and using the preserved client authentication information to automatically authenticate the client during the remainder of the conversation. Another preferred embodiment of the method includes transmitting a request by a client requiring participation by a plurality of servers and communicating among the servers with at least one controller server coordinating the actions of a plurality of servers in response to the request from the client.

Title
Method and system coordinating actions among a group of servers
Application Number
8/854010
Publication Number
6170017 (A)
Application Date
May 8, 1997
Publication Date
January 2, 2001
Inventor
Arun Kwangil Iyengar
Yorktown Heights
NY, US
Daniel Manuel Dias
Mahopac
NY, US
Agent
Baker Botts L
US
Agent
David M Shofi
US
Assignee
International Business Machines Corporation
NY, US
IPC
G06F 15/16
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