Importance

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Abstract

A system, method, and computer program product for providing discovery services for servers during a startup sequence can include powering on a server in a domain; creating a listener socket for the server to accept coupling requests from other servers; registering server information for the server with a database; searching the database for other registered servers in the domain; establishing a couple to each of the other registered servers in the domain; and verifying validity of the couple to each of the other registered servers including performing a handshake. The server information registered with the database can include an IP address; a listener port; a domain; a version number; or a server type. Establishing can include: sending a couple message from a coupling server of the other registered servers; receiving the couple message by another server of the other registered servers; verifying a version number of the couple message; verifying that the couple message sent and received is a valid couple message; replying with a reply message to the couple message; or verifying that the reply message contains a valid version number and server type. Alternatively, establishing can further include closing the couple if the version numbers are not valid; closing the couple if the server type is not valid; or closing the couple if the reply message is not received within a predetermined amount of time. The method can also include registering a server identifier (ID), a service type, or a message type supported by the server. The server can be a back end server (BES); a proxy gateway (PG); a message router (MR); or an HTTP Proxy BES.

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First Claim