Re: [nvo3] Question on the mapping between VAP and VNI

<xiao.min2@zte.com.cn> Thu, 05 December 2019 02:46 UTC

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Subject: Re: [nvo3] Question on the mapping between VAP and VNI
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NVO3 WG,







Through offline discussion with David Black, the primary author of RFC 8014, we concluded that "RFC 8014 was written based on 1-to-1 mapping model, at the same time, RFC 8014 allows N-to-1 mapping."



Any other thoughts?






Best Regards,


Xiao Min



原始邮件



发件人:肖敏10093570
收件人:draft-ietf-nvo3-arch@ietf.org <draft-ietf-nvo3-arch@ietf.org>;
抄送人:nvo3@ietf.org <nvo3@ietf.org>;
日 期 :2019年11月26日 14:15
主 题 :Question on the mapping between VAP and VNI




Dear NVO3 Architecture Authors,






Many thanks to the well defined NVO3 architecture.



I have a question on the mapping between VAP and VNI at one NVE, is it a 1-to-1 mapping or N-to-1 mapping?






In other words, is the following figure which is derived from Figure 2 of RFC8014 reasonable?

 | Underlay Network (IP) |
 | |
 +---------------------------------------+
 | |
 | Tunnel Overlay |
 +------------+---------+ +---------+------------+
 | +----------+-------+ | | +-------+----------+ |
 | | Overlay Module | | | | Overlay Module | |
 | +---------+--------+ | | +---------+--------+ |
 | | | | | |
 NVE1 | | | | | | NVE2
 | +--------+-------+ | | +--------+-------+ |
 | |VNI1 VNI1 | | | | VNI1 VNI1 | |
 | +-+-----------+--+ | | +-+-----------+--+ |
 |VAP1| |VAP2 | |VAP3| |VAP4 |
 +----+-----------+-----+ +----+-----------+-----+
 | | | |
 -------+-----------+------------------+-----------+--------
 | | Tenant | |
 ( ' ) ( ' ) ( ' ) ( ' )
 (Ethernet) (IP Routing) (Ethernet) (IP Routing)
 ( _ ) ( _ ) ( _ ) ( _ )
 | | | |
 TSI1| |TSI2 TSI3| |TSI4
 +---+ +---+ +---+ +---+
 |TS1| |TS2| |TS3| |TS4|
 +---+ +---+ +---+ +---+