W3C home > Mailing lists > Public > xml-dist-app@w3.org > September 2001

Proposal for Issues 11/13

From: Mark Nottingham <mnot@mnot.net>
Date: Tue, 18 Sep 2001 17:07:46 -0700
To: XML Distributed Applications List <xml-dist-app@w3.org>
Message-ID: <20010918170739.E16341@mnot.net>
(for inclusion in the binding framework)

Binding to Application-Specific Protocols

  Some underlying protocols may be designed for a particular purpose
  or application profile. SOAP bindings to such protocols MAY use the
  same endpoint identification (e.g., TCP port number) as the
  underlying protocol, in order to reuse the existing infrastructure
  associated that protocol.

  However, the use of well-known ports by SOAP may incur additional,
  unintended handling by intermediaries and underlying
  implementations. For example, HTTP is commonly thought of as a 'Web
  browsing' protocol, and network administrators may place certain
  restrictions upon its use, or may interpose services such as
  filtering, content modification, routing, etc. Often, these
  services are interposed using port number as a heuristic.
  As a result, binding definitions which use these protocols SHOULD
  document this status, and SHOULD illustrate the use of the binding
  on a non-default port as a means of avoiding unintended interaction
  with such services.

Mark Nottingham
Received on Tuesday, 18 September 2001 20:07:47 UTC

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