[Idr] I-D Action: draft-ietf-idr-bgpls-sr-vtn-mt-02.txt
internet-drafts@ietf.org Mon, 13 March 2023 10:24 UTC
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Date: Mon, 13 Mar 2023 03:24:14 -0700
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Subject: [Idr] I-D Action: draft-ietf-idr-bgpls-sr-vtn-mt-02.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This Internet-Draft is a work item of the Inter-Domain Routing (IDR) WG of the IETF. Title : BGP-LS with Multi-topology for Segment Routing based Virtual Transport Networks Authors : Chongfeng Xie Cong Li Jie Dong Zhenbin Li Filename : draft-ietf-idr-bgpls-sr-vtn-mt-02.txt Pages : 10 Date : 2023-03-13 Abstract: Enhanced VPN (VPN+) aims to provide enhanced VPN service to support some applications' needs of enhanced isolation and stringent performance requirements. VPN+ requires integration between the overlay VPN and the underlay network. A Virtual Transport Network (VTN) is a virtual underlay network which consists of a subset of the network topology and network resources allocated from the physical network. A VTN could be used as the underlay for one or a group of VPN+ services. When Segment Routing is used as the data plane of VTNs, each VTN can be allocated with a group of Segment Identifiers (SIDs) to identify the topology and resource attributes of network segments in the VTN. The association between the network topology, the network resource attributes and the SR SIDs may need to be distributed to a centralized network controller. In network scenarios where each VTN can be associated with a unique logical network topology, this document describes a mechanism to distribute the information of SR based VTNs using BGP-LS with Multi-Topology. The IETF datatracker status page for this Internet-Draft is: https://datatracker.ietf.org/doc/draft-ietf-idr-bgpls-sr-vtn-mt/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-idr-bgpls-sr-vtn-mt-02 A diff from the previous version is available at: https://author-tools.ietf.org/iddiff?url2=draft-ietf-idr-bgpls-sr-vtn-mt-02 Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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