Title: OSPF over ATM and Proxy-PAR
Author(s): T. Przygienda, P. Droz, R. Haas.
Status: EXPERIMENTAL
Date: May 2000
Length: 32146
This memo specifies, for OSPF implementors and users, mechanisms describing how the protocol operates in ATM networks over PVC and SVC meshes with the presence of Proxy-PAR. These recommendations require no protocol changes and allow simpler, more efficient and cost- effective network designs. It is recommended that OSPF implementations should be able to support logical interfaces, each consisting of one or more virtual circuits and used either as numbered logical point-to-point links (one VC), logical NBMA networks (more than one VC) or Point-to-MultiPoint networks (more than one
VC), where a solution simulating broadcast interfaces is not appropriate. PAR can help distribute across the ATM cloud configuration setup and changes of such interfaces when OSPF capable routers are (re-)configured. Proxy-PAR can in turn be used to exchange this information between the ATM cloud and the routers connected to it.
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