| 摘要 |
The present invention allows a server to delay allocating resources to a client's request. When the client requests a feature that requires server resources, the server accepts and acknowledges the client's request, but the client is prohibited from using the requested feature until further notice from the server. For example, during an authorization process, the server allocates only the minimum resources required to maintain the session and to authorize the client. Thereafter, the server allocates the resources necessary to support the client's request only when the resources become available. Until then, the server maintains the communications session without supporting the request. Thus, the server shepherds its resources rather than committing them at the whim of a client. Also, a client need not repeat its request if the server cannot immediately satisfy it; instead, the server accepts the request and then later begins to support it when adequate resources become available.
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