LYCOS RETRIEVER 
Web Services: Operations
built 281 days ago
The Web Services architecture describes three roles: service provider, service requester and service broker; and three basic operations: publish, find and bind. A network component can play any or all of these roles.
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Web services can ... be used to implement an architecture according to Service-oriented architecture (SOA) concepts, where the basic unit of communication is a message, rather than an operation. This is often referred to as "message-oriented" services.
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Real web services have multiple agents running commerical environments, in which downtime is expensive, and incorrect operation could be disasterous. The running, monitoring, provisioning and upgrading of such systems clearly requires tools, but their design is out of scope for this overview.
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Operations