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

From: <[email-masked]>
Date: Tue, 26 Nov 2019 14:15:17 +0800 (CST)

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|
 +---+ +---+ +---+ +---+