Subject: [bess] One question about 'draft-ietf-bess-evpn-overlay-02'

From: Haoweiguo <[email-masked]>
Date: Tue, 10 Nov 2015 09:05:20 +0000

Hi Ali & John,

The draft of 'draft-ietf-bess-evpn-overlay-02' describes how EVPN can be used for Overlay network, the overlay network includes VXLAN, NVGRE and MPLS Over GRE.

In section 13 IANA considerations, several overlay tunnel types are requested as follows:

8    VXLAN Encapsulation
9    NVGRE Encapsulation
10   MPLS Encapsulation   (?)
11   MPLS in GRE Encapsulation
12   VXLAN GPE Encapsulation

IMO, 8,9,11 and 12 are all overlay encapsulations, 10 is an exception. Would you like to explain what's the purpose of tunnel type 10?

Thanks,

weiguo