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Hi Tim,

Just about the second part of your email:

> how are IETF SFC/NSH related API/plugin changes going?  
I'm essentially finished with NSH encap support [1], just have to fix a few bugs and write the tests. Then I will work on connecting port-chains together so we can have SFC graphs, kind of like IETF's branching/reclassification "SFC Encapsulation" chains (described with higher detail in the NSH draft).

> Can we expect to have attributes like path-id, encap type soon?  
The NSH patch I mentioned above will allow NSH encap to be specified for both port-chains and port-pairs and, if port-pairs do not support the port-chain's encapsulation, it's up to the driver to SFC-Proxy the traffic accordingly (OVS will install SFC-proxy flows, just like it does today by default, for MPLS). Regarding the path-id, I was working on a patch to facilitate that [2], but we ended up merging one focused only on enabling the path-id ("chain_id") [3]. So we have both attributes now.

[1] https://review.openstack.org/#/c/373465
[2] https://review.openstack.org/#/c/346175
[3] https://review.openstack.org/#/c/355336

Best regards,
Igor.

-----Original Message-----
From: Tim Rozet [mailto:trozet at redhat.com] 
Sent: Tuesday, October 4, 2016 6:07 PM
To: OpenStack Development Mailing List (not for usage questions) <openstack-dev at lists.openstack.org>; Cathy Zhang <cathy.h.zhang at huawei.com>
Subject: [openstack-dev] [tacker] [networking-sfc] Removing required port-id from classifier

Hi Cathy,
I recall a while back discussing removing the required neutron port-id from the classifier.  We just finished up implementing VNFFG in Tacker and are hitting this while testing.  What is the plan to remove this requirement?  Also, how are IETF SFC/NSH related API/plugin changes going?  Can we expect to have attributes like path-id, encap type soon?  

Thanks,

Tim Rozet
Red Hat SDN Team

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