Using IS-IS Multi-Topology (MT) for Segment Routing based Virtual Transport Network
This is an older version of an Internet-Draft whose latest revision state is "Active".
Expired & archived
|Authors||Chongfeng Xie , Chenhao Ma , Jie Dong , Zhenbin Li|
|Last updated||2023-01-11 (Latest revision 2022-07-10)|
|RFC stream||Internet Engineering Task Force (IETF)|
|Additional resources||Mailing list discussion|
|Stream||WG state||WG Document|
|Send notices to||(None)|
This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:
Enhanced VPN (VPN+) aims to provide enhanced VPN service to support some application's needs of enhanced isolation and stringent performance requirements. VPN+ requires integration between the overlay VPN connectivity and the characteristics provided by the underlay network. A Virtual Transport Network (VTN) is a virtual underlay network which consists of a subset of network resources allocated on network nodes and links in a customized topology of the physical network. A VTN could be used as the underlay to support one or a group of VPN+ services. In some network scenarios, each VTN can be associated with a unique logical network topology. This document describes a mechanism to build the SR based VTNs using IS-IS Multi-Topology together with other well-defined IS-IS extensions.
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