Ali, Your draft-sajassi-bess-secure-evpn-00 defines two new Tunnel Types along with its associated sub-TLVs for The Tunnel Encapsulation Attribute [TUNNEL-ENCAP].
[Tunnel-Encap] cannot be effectively used for SD-WAN overlay network because a SD-WAN Tunnel needs to be established before data arrival. There is no routes to be associated with the SD-WAN Tunnel. How do you address those issues? Linda From: Ali Sajassi (sajassi) [mailto:saja...@cisco.com] Sent: Wednesday, October 31, 2018 12:04 PM To: Linda Dunbar <linda.dun...@huawei.com>; i...@ietf.org; bess@ietf.org Subject: Re: [bess] Comparing using the SD-WAN Overlay SAFI specified by draft-dunbar-idr-bgp-sdwan-overlay-ext with the EVPN approach described by draft-sajassi-bess-secure-evpn-00 Hi Linda, I haven’t read your draft yet. I am traveling now but will plan to read your draft over next couple of days and respond to your questions. Cheers, Ali From: BESS <bess-boun...@ietf.org<mailto:bess-boun...@ietf.org>> on behalf of Linda Dunbar <linda.dun...@huawei.com<mailto:linda.dun...@huawei.com>> Date: Tuesday, October 30, 2018 at 9:19 AM To: "i...@ietf.org<mailto:i...@ietf.org>" <i...@ietf.org<mailto:i...@ietf.org>>, "bess@ietf.org<mailto:bess@ietf.org>" <bess@ietf.org<mailto:bess@ietf.org>> Subject: [bess] Comparing using the SD-WAN Overlay SAFI specified by draft-dunbar-idr-bgp-sdwan-overlay-ext with the EVPN approach described by draft-sajassi-bess-secure-evpn-00 IDR group, BESS group, https://datatracker.ietf.org/doc/draft-dunbar-idr-bgp-sdwan-overlay-ext/ specifies a new BGP SAFI (=74) in order to advertise a SD-WAN edge node’s capabilities in establishing SD-WAN overlay tunnels with other SD-WAN nodes through third party untrusted networks. draft-sajassi-bess-secure-evpn-00 describes an EVPN solution for PE nodes to exchange key and policy to create private pair-wise IPsec Security Associations without IKEv2 point-to-point signaling or any other direct peer-to-peer session establishment messages. I think those two solutions are not conflicting with each other. Actually they are compliment to each other to some degree. For example, - the Re-key mechanism described by draft-sajassi-bess-secure-evpn-00 can be utilized by draft-dunbar-idr-bgp-sdwan-overlay-ext - The SD-WAN Overlay SAFI can be useful to simplify the process on RR to re-distribute the Tunnel End properties to authorized peers. - When SD-WAN edge nodes use private address, or no IP address, NAT properties for the end points distribution described draft-dunbar-idr-bgp-sdwan-overlay-ext is necessary. - The secure channel between SD-WAN edge nodes and RR described by draft-dunbar-idr-bgp-sdwan-overlay-ext is necessary. Any thoughts? Thank you very much. Linda Dunbar
_______________________________________________ BESS mailing list BESS@ietf.org https://www.ietf.org/mailman/listinfo/bess
