Extended Remote Authentication Dial In User Service (RADIUS) Attributes

Document Type Expired Internet-Draft (radext WG)
Authors Yong Li  , Avi Lior  , Glen Zorn 
Last updated 2010-05-13
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
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Stream WG state WG Document
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IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


For the Remote Authentication Dial In User Service (RADIUS) protocol to continue to support new applications, the RADIUS attribute type space must be extended beyond the current limit of 255 possible attribute types while maintaining backwards compatibility with the existing protocol. This document defines a mechanism to accomplish that task, along with standard methods to group together related attributes and to encode values that don't fit into 253 octets.


Yong Li (yongli@bridgewatersystems.com)
Avi Lior (avi@bridgewatersystems.com)
Glen Zorn (gwz@net-zen.net)

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