[openstack-dev] [neutron][AdvancedServices] Confusion about the solution of the service chaining!

A, Keshava keshava.a at hp.com
Thu Jan 8 06:19:01 UTC 2015

Yes, I agree with Kyle decision.

First we should define what is Service.
Service is within OpenStack infrastructure ? or Service belongs  to NFV vNF/Service-VM ?
Based on that its Chaining needs to be defined.
If it is chaining of vNFs(which are service/set of services)  then it  will be based on ietf  ‘service header insertion’ at the ingress.
This header will have all the set services  that needs to be executed  across vNFV, will be carried in each of the Tennant packet.

So it requires coordinated effort along with NFV/Telco  working groups.


From: Kyle Mestery [mailto:mestery at mestery.com]
Sent: Wednesday, January 07, 2015 8:25 PM
To: OpenStack Development Mailing List (not for usage questions)
Subject: Re: [openstack-dev] [neutron][AdvancedServices] Confusion about the solution of the service chaining!

On Wed, Jan 7, 2015 at 6:25 AM, <lv.erchun at zte.com.cn<mailto:lv.erchun at zte.com.cn>> wrote:

I want to confirm that how is the project about "Neutron Services Insertion, Chaining, and Steering" going, I found that all the code implementation about service insertion、service chaining and traffic steering list in JunoPlan were Abandoned .


and I also found that we have a new project about GBP and group-based-policy-service-chaining be located at:



so I'm confused with solution of the service chaining.

We are developing the service chaining feature, so we need to know which one is the neutron's choice. Are the blueprints about the service insertion, service chaining and traffic steering list in JunoPlan all Abandoned ?
Service chaining isn't in the plan for Kilo [1], but I expect it to be something we talk about in Vancouver for the Lxxx release. The NFV/Telco group has been talking about this as well. I'm hopeful we can combine efforts and come up with a coherent service chaining solution that solves a handful of useful use cases during Lxxx.


[1] http://specs.openstack.org/openstack/neutron-specs/priorities/kilo-priorities.html



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