I-D Action: draft-li-spring-sr-e2e-ietf-network-slicing-03.txt
internet-drafts@ietf.org Thu, 24 March 2022 13:34 UTC
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A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : Segment Routing for End-to-End IETF Network Slicing Authors : Zhenbin Li Jie Dong Ran Pang Yongqing Zhu Filename : draft-li-spring-sr-e2e-ietf-network-slicing-03.txt Pages : 12 Date : 2022-03-24 Abstract: Network slicing can be used to meet the connectivity and performance requirement of different services or customers in a shared network. An IETF network slice can be realized as enhanced VPNs (VPN+), which is delivered by integrating the overlay VPN service with a Virtual Transport Network (VTN) as the underlay. An end-to-end IETF network slice may span multiple network domains. Within each domain, traffic of the end-to-end network slice service is mapped to a domain VTN. In the context of IETF network slicing, a VTN can be instantiated as a Network Resource Partition (NRP). When segment routing (SR) is used to build a multi-domain IETF network slices, information of the local network slices in each domain can be specified using special SR binding segments called NRP binding segments (NRP BSID). The multi-domain IETF network slice can be specified using a list of NRP BSIDs in the packet, each of which can be used by the corresponding domain edge nodes to steer the traffic of end-to-end IETF network slice into the specific NRP in the local domain. This document describes the functionality of NRP binding segment and its instantiation in SR-MPLS and SRv6. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-li-spring-sr-e2e-ietf-network-slicing/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-li-spring-sr-e2e-ietf-network-slicing-03 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-li-spring-sr-e2e-ietf-network-slicing-03 Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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