Separating Identifiers and Locators in Addresses: An Analysis of the GSE Proposal for IPv6

Document Type Expired Internet-Draft (ipngwg WG)
Authors Lixia Zhang  , Allison Mankin  , John Stewart  , Thomas Narten  , Matt Crawford 
Last updated 1999-10-19
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This Internet-Draft is no longer active.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


On February 27-28, 1997, the IPng Working Group held an interim meeting in Palo Alto, California to consider adopting Mike O'Dell's 'GSE - An Alternate Addressing Architecture for IPv6' proposal [GSE]. In GSE, 16-byte IPv6 addresses are split into distinct portions for global routing, local routing and end-point identification. GSE includes the feature of configuring a node internal to a site with only the local routing and end-point identification portions of the address, thus hiding the full address from the node. When such a node generates a packet, only the low-order bytes of the source address are specified; the high-order bytes of the address are filled in by a border router when the packet leaves the site.


Lixia Zhang (
Allison Mankin (
John Stewart (
Thomas Narten (
Matt Crawford (

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