TCP Option for Transparent Middlebox Discovery

Document Type Expired Internet-Draft (individual)
Authors Andrew Knutsen  , Ron Frederick  , Jamshid Mahdavi  , Qing Li  , Wei Yeh 
Last updated 2010-05-10
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a TCP option intended to facilitate transparent detection of middleboxes (or services playing that role) along the path of a TCP connection as the connection is made. The option has no effect if an appropriate middlebox is not on the path.


Andrew Knutsen (
Ron Frederick (
Jamshid Mahdavi (
Qing Li (
Wei Yeh (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)