Receive Pipelines

The following figure illustrates the stages in a receive pipeline, along with the standard components provided for each one.

The stages and their associated components are:

• Decode.BizTalk Server 2004 provides one standard component for this stage, the MIME/SMIME decoder. This component can handle messages and any attachments they contain in either MIME or Secure MIME (S/MIME) format. The component decodes MIME messages, decrypt S/MIME messages and also can verify digital signatures on the messages.
• Disassemble. BizTalk Server 2004 provides three standard components. These are:
  • Flat file disassembler. Turns flat files into XML documents. Those files can be positional (each record has the same length and structure) or delimited (a designated character is used to separate records).
  • XML disassembler. Parses incoming messages that are already described by using XML.
  • BizTalk Framework disassembler. Accepts messages sent by using the reliable messaging mechanism defined by the BizTalk Framework.
• Validate. BizTalk Server 2004 provides an XML validator component for this stage. As its name suggests, this component validates an XML document produced by the Disassemble stage against a specified schema or group of schemas, and returns an error if the document does not conform to one of those schemas.
• Resolve Party. The only standard component for this stage, party resolution, attempts to determine an identity for the sender of the message. If the message was digitally signed, the component uses the signature to look up a Windows identity in the BizTalk Server 2004 Configuration database. If the message carries the authenticated security identifier (SID) of a Windows user, this identity is used. If neither mechanism succeeds, the sender is assigned a default anonymous identity.

See Also

Send Pipelines

Developing Pipelines

Pipelines (BizTalk Server Samples Folder)