OSPF Extensions for Advertising/Signaling Geo Location Information

Document Type Expired Internet-Draft (individual)
Authors Acee Lindem  , Naiming Shen  , Enke Chen 
Last updated 2018-04-21 (latest revision 2017-10-18)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document specifies an OSPF Router Information (RI) TLV to advertise the current Geo Coordinates of the OSPF router. For Point- to-Point (P2P)) and Point-to-Multi-Point (P2MP) networks, the Geo Coordinates can be used to dynamically computing the cost to neighbors. This is useful both from the standpoint of auto- configuration and situations where the OSPF routers are moving. The Geo Coordinates are also useful for other applications such as Traffic Engineering (TE) and network management.


Acee Lindem (acee@cisco.com)
Naiming Shen (naiming@cisco.com)
Enke Chen (enkechen@cisco.com)

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