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2.2.2 DISCOVERY-REQUEST

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The client sends a DISCOVERY-REQUEST to a server to inquire whether the server has cached a particular URL. The message is encoded as an HTTP POST request to the following URL:

 /BITS-peer-caching

The request includes a number of fields in the HTTP message header. Some of them are standard fields (as specified in [RFC2616] section 4.5) that are required to take on specific values, while others are new fields defined by the BITS Peer-Caching: Content Retrieval Protocol. The fields MUST follow the rules defined in [RFC2616] section 4.2.