Method and apparatus to discover services using flexible search criteria
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United States of America Patent
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Mar 1, 2005
Grant Date -
N/A
app pub date -
Aug 31, 2000
filing date -
May 9, 2000
priority date (Note) -
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Abstract
A service discovery protocol may allow clients in a distributed computing environment to search for services using flexible search criteria. A client may send a search message that may be formatted in a data representational language and may include search criteria. The search criteria may specify a service name or a service type or both a service name and a service type. The search criteria may be compared to advertisements for services within the distributed computing environment to find advertisements that match the search criteria. An advertisement may be a document in the data representation language that provides access information for a corresponding service. The client may receive one or more search response messages indicating one or more advertisements that match the search criteria. The client may obtain and advertisement for a located service and may use the advertisement to construct a message gate to communicate with the service according to messages defined by the advertisement.
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