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SOAP Version 1.1 provides an HTTP binding for exchanging a request and a response. This binding provides a "request optional response" refinement that enables an HTTP response with status code 202 to have a SOAP envelope or to be empty.
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1 Introduction
1.1 Notational Conventions
2 SOAP 1.1 request optional response HTTP Binding
3 References
3.1 Normative References
3.2 Informative References
A Change Log (Non-Normative)
The SOAP 1.1 request optional response Binding (this document) defines modification to the SOAP 1.1 HTTP Binding [SOAP 1.1] that enables an HTTP response with status code 202 to have a SOAP envelope or to be empty.
The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119 [RFC 2119].
With the exception of examples and sections explicitly marked as "Non-Normative", all parts of this specification are normative.
This SOAP 1.1 request optional response HTTP binding, in conjunction with the SOAP 1.1 binding [SOAP 1.1], can be used for sending request messages with an optional SOAP response. This binding augments the SOAP 1.1 binding by allowing that the HTTP [RFC 2616] response MAY have a 202 status code and the response body MAY be empty. Note that the HTTP [RFC 2616] specification states "the 202 response is intentionally non-committal" and so any content in the response body, including a SOAP Envelope, MAY not be an expected SOAP response.