[IPv6] I-D Action: draft-ietf-6man-enhanced-vpn-vtn-id-03.txt
internet-drafts@ietf.org Mon, 13 March 2023 02:46 UTC
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Date: Sun, 12 Mar 2023 19:46:47 -0700
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Subject: [IPv6] I-D Action: draft-ietf-6man-enhanced-vpn-vtn-id-03.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 IPv6 Maintenance (6MAN) WG of the IETF. Title : Carrying Virtual Transport Network (VTN) Information in IPv6 Extension Header Authors : Jie Dong Zhenbin Li Chongfeng Xie Chenhao Ma Gyan Mishra Filename : draft-ietf-6man-enhanced-vpn-vtn-id-03.txt Pages : 12 Date : 2023-03-12 Abstract: Virtual Private Networks (VPNs) provide different customers with logically separated connectivity over a common network infrastructure. With the introduction and evolvement of 5G and other network scenarios, some existing or new customers may require connectivity services with advanced characteristics comparing to traditional VPNs. Such kind of network service is called enhanced VPNs (VPN+). VPN+ can be used to deliver IETF network slices, and could also be used for other application scenarios. A Virtual Transport Network (VTN) is a virtual underlay network which consists of a set of dedicated or shared network resources allocated from the physical underlay network, and is associated with a customized logical network topology. VPN+ services can be delivered by mapping one or a group of overlay VPNs to the appropriate VTNs as the virtual underlay. In packet forwarding, some fields in the data packet needs to be used to identify the VTN the packet belongs to, so that the VTN-specific processing can be performed on each node the packet traverses. This document proposes a new Hop-by-Hop option of IPv6 extension header to carry the VTN related information in data packets, which could used to identify the VTN specific processing to be performed on the packets. The procedure of processing the VTN option is also specified. The IETF datatracker status page for this Internet-Draft is: https://datatracker.ietf.org/doc/draft-ietf-6man-enhanced-vpn-vtn-id/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-6man-enhanced-vpn-vtn-id-03 A diff from the previous version is available at: https://author-tools.ietf.org/iddiff?url2=draft-ietf-6man-enhanced-vpn-vtn-id-03 Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts
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