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draft-dong-6man-enhanced-vpn-vtn-id-01

Ron Bonica <rbonica@juniper.net> Tue, 28 July 2020 17:44 UTC

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From: Ron Bonica <rbonica@juniper.net>
To: "6man@ietf.org" <6man@ietf.org>
Subject: draft-dong-6man-enhanced-vpn-vtn-id-01
Thread-Topic: draft-dong-6man-enhanced-vpn-vtn-id-01
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Date: Tue, 28 Jul 2020 17:44:45 +0000
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Co-authors,

In Section 4.2, you say:

"There can be different implementations of reserving local network
   resources to the VTNs.  On each interface, the resources allocated to
   a particular VTN can be seen as a virtual sub-interface with
   dedicated bandwidth and other associated resources.  In packet
   forwarding, the IPv6 destination address of the received packet is
   used to identify the next-hop and the outgoing interface, and the VTN
   ID is used to further identify the virtual sub-interface which is
   associated with the VTN on the outgoing interface."

I interpret this as meaning:


  *   The IPv6 destination address is solely responsible for identifying the IP next hop
  *   The VTNI, along with the DSCP bits, determine how the packet is forwarded to the next-hop

So, I can think of the VTNI as "more DSCP bits".

Do I have that right?

                                                                  Ron




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