Thank you shihanzhang!,

I can't believe I didn't realize the ipset part spec was accepted I live
on my own bubble... I will be reviewing and testing/helping on that part 
too during the next few days,  I was too concentrated in the RPC part.


Best regards,

----- Original Message -----
> hi neutroner!
> my patch about BP:
> https://blueprints.launchpad.net/openstack/?searchtext=add-ipset-to-security
> need install ipset in devstack, I have commit the patch:
> https://review.openstack.org/#/c/113453/, who can help me review it, thanks
> very much!
> 
> Best regards,
> shihanzhang
> 
> 
> 
> 
> At 2014-08-21 10:47:59, "Martinx - ジェームズ" <thiagocmarti...@gmail.com> wrote:
> 
> 
> 
> +1 "NFTablesDriver"!
> 
> Also, NFTables, AFAIK, improves IDS systems, like Suricata, for example:
> https://home.regit.org/2014/02/suricata-and-nftables/
> 
> Then, I'm wondering here... What benefits might come for OpenStack Nova /
> Neutron, if it comes with a NFTables driver, instead of the current
> IPTables?!
> 
> * E fficient Security Group design?
> * Better FWaaS, maybe with NAT(44/66) support?
> * Native support for IPv6, with the defamed NAT66 built-in, simpler "Floating
> IP" implementation, for both v4 and v6 networks under a single
> implementation ( I don't like NAT66, I prefer a `routed Floating IPv6`
> version ) ?
> * Metadata over IPv6 still using NAT(66) ( I don't like NAT66 ), single
> implementation?
> * Suricata-as-a-Service?!
> 
> It sounds pretty cool! :-)
> 
> 
> On 20 August 2014 23:16, Baohua Yang < yangbao...@gmail.com > wrote:
> 
> 
> 
> Great!
> We met similar problems.
> The current mechanisms produce too many iptables rules, and it's hard to
> debug.
> Really look forward to seeing a more efficient security group design.
> 
> 
> On Thu, Jul 10, 2014 at 11:44 PM, Kyle Mestery < mest...@noironetworks.com >
> wrote:
> 
> 
> 
> On Thu, Jul 10, 2014 at 4:30 AM, shihanzhang < ayshihanzh...@126.com > wrote:
> > 
> > With the deployment 'nova + neutron + openvswitch', when we bulk create
> > about 500 VM with a default security group, the CPU usage of neutron-server
> > and openvswitch agent is very high, especially the CPU usage of openvswitch
> > agent will be 100%, this will cause creating VMs failed.
> > 
> > With the method discussed in mailist:
> > 
> > 1) ipset optimization ( https://review.openstack.org/#/c/100761/ )
> > 
> > 3) sg rpc optimization (with fanout)
> > ( https://review.openstack.org/#/c/104522/ )
> > 
> > I have implement these two scheme in my deployment, when we again bulk
> > create about 500 VM with a default security group, the CPU usage of
> > openvswitch agent will reduce to 10%, even lower than 10%, so I think the
> > iprovement of these two options are very efficient.
> > 
> > Who can help us to review our spec?
> > 
> This is great work! These are on my list of things to review in detail
> soon, but given the Neutron sprint this week, I haven't had time yet.
> I'll try to remedy that by the weekend.
> 
> Thanks!
> Kyle
> 
> > Best regards,
> > shihanzhang
> > 
> > 
> > 
> > 
> > 
> > At 2014-07-03 10:08:21, "Ihar Hrachyshka" < ihrac...@redhat.com > wrote:
> >>-----BEGIN PGP SIGNED MESSAGE-----
> >>Hash: SHA512
> >> 
> >>Oh, so you have the enhancement implemented? Great! Any numbers that
> >>shows how much we gain from that?
> >> 
> >>/Ihar
> >> 
> >>On 03/07/14 02:49, shihanzhang wrote:
> >>> Hi, Miguel Angel Ajo! Yes, the ipset implementation is ready, today
> >>> I will modify my spec, when the spec is approved, I will commit the
> >>> codes as soon as possilbe!
> >>> 
> >>> 
> >>> 
> >>> 
> >>> 
> >>> At 2014-07-02 10:12:34, "Miguel Angel Ajo" < majop...@redhat.com >
> >>> wrote:
> >>>> 
> >>>> Nice Shihanzhang,
> >>>> 
> >>>> Do you mean the ipset implementation is ready, or just the
> >>>> spec?.
> >>>> 
> >>>> 
> >>>> For the SG group refactor, I don't worry about who does it, or
> >>>> who takes the credit, but I believe it's important we address
> >>>> this bottleneck during Juno trying to match nova's scalability.
> >>>> 
> >>>> Best regards, Miguel Ángel.
> >>>> 
> >>>> 
> >>>> On 07/02/2014 02:50 PM, shihanzhang wrote:
> >>>>> hi Miguel Ángel and Ihar Hrachyshka, I agree with you that
> >>>>> split the work in several specs, I have finished the work (
> >>>>> ipset optimization), you can do 'sg rpc optimization (without
> >>>>> fanout)'. as the third part(sg rpc optimization (with fanout)),
> >>>>> I think we need talk about it, because just using ipset to
> >>>>> optimize security group agent codes does not bring the best
> >>>>> results!
> >>>>> 
> >>>>> Best regards, shihanzhang.
> >>>>> 
> >>>>> 
> >>>>> 
> >>>>> 
> >>>>> 
> >>>>> 
> >>>>> 
> >>>>> 
> >>>>> At 2014-07-02 04:43:24, "Ihar Hrachyshka" < ihrac...@redhat.com >
> >>>>> wrote:
> >>> On 02/07/14 10:12, Miguel Angel Ajo wrote:
> >>> 
> >>>> Shihazhang,
> >>> 
> >>>> I really believe we need the RPC refactor done for this cycle,
> >>>> and given the close deadlines we have (July 10 for spec
> >>>> submission and July 20 for spec approval).
> >>> 
> >>>> Don't you think it's going to be better to split the work in
> >>>> several specs?
> >>> 
> >>>> 1) ipset optimization (you) 2) sg rpc optimization (without
> >>>> fanout) (me) 3) sg rpc optimization (with fanout) (edouard, you
> >>>> , me)
> >>> 
> >>> 
> >>>> This way we increase the chances of having part of this for the
> >>>> Juno cycle. If we go for something too complicated is going to
> >>>> take more time for approval.
> >>> 
> >>> 
> >>> I agree. And it not only increases chances to get at least some of
> >>> those highly demanded performance enhancements to get into Juno,
> >>> it's also "the right thing to do" (c). It's counterproductive to
> >>> put multiple vaguely related enhancements in single spec. This
> >>> would dim review focus and put us into position of getting
> >>> 'all-or-nothing'. We can't afford that.
> >>> 
> >>> Let's leave one spec per enhancement. @Shihazhang, what do you
> >>> think?
> >>> 
> >>> 
> >>>> Also, I proposed the details of "2", trying to bring awareness
> >>>> on the topic, as I have been working with the scale lab in Red
> >>>> Hat to find and understand those issues, I have a very good
> >>>> knowledge of the problem and I believe I could make a very fast
> >>>> advance on the issue at the RPC level.
> >>> 
> >>>> Given that, I'd like to work on this specific part, whether or
> >>>> not we split the specs, as it's something we believe critical
> >>>> for neutron scalability and thus, *nova parity*.
> >>> 
> >>>> I will start a separate spec for "2", later on, if you find it
> >>>> ok, we keep them as separate ones, if you believe having just 1
> >>>> spec (for 1 & 2) is going be safer for juno-* approval, then we
> >>>> can incorporate my spec in yours, but then
> >>>> "add-ipset-to-security" is not a good spec title to put all this
> >>>> together.
> >>> 
> >>> 
> >>>> Best regards, Miguel Ángel.
> >>> 
> >>> 
> >>>> On 07/02/2014 03:37 AM, shihanzhang wrote:
> >>>>> 
> >>>>> hi Miguel Angel Ajo Pelayo! I agree with you and modify my
> >>>>> spes, but I will also optimization the RPC from security group
> >>>>> agent to neutron server. Now the modle is
> >>>>> 'port[rule1,rule2...], port...', I will change it to 'port[sg1,
> >>>>> sg2..]', this can reduce the size of RPC respose message from
> >>>>> neutron server to security group agent.
> >>>>> 
> >>>>> At 2014-07-01 09:06:17, "Miguel Angel Ajo Pelayo"
> >>>>> < mangel...@redhat.com > wrote:
> >>>>>> 
> >>>>>> 
> >>>>>> Ok, I was talking with Édouard @ IRC, and as I have time to
> >>>>>> work into this problem, I could file an specific spec for
> >>>>>> the security group RPC optimization, a masterplan in two
> >>>>>> steps:
> >>>>>> 
> >>>>>> 1) Refactor the current RPC communication for
> >>>>>> security_groups_for_devices, which could be used for full
> >>>>>> syncs, etc..
> >>>>>> 
> >>>>>> 2) Benchmark && make use of a fanout queue per security
> >>>>>> group to make sure only the hosts with instances on a
> >>>>>> certain security group get the updates as they happen.
> >>>>>> 
> >>>>>> @shihanzhang do you find it reasonable?
> >>>>>> 
> >>>>>> 
> >>>>>> 
> >>>>>> ----- Original Message -----
> >>>>>>> ----- Original Message -----
> >>>>>>>> @Nachi: Yes that could a good improvement to factorize
> >>>>>>>> the RPC
> >>>>>>> mechanism.
> >>>>>>>> 
> >>>>>>>> Another idea: What about creating a RPC topic per
> >>>>>>>> security group (quid of the
> >>>>>>> RPC topic
> >>>>>>>> scalability) on which an agent subscribes if one of its
> >>>>>>>> ports is
> >>>>>>> associated
> >>>>>>>> to the security group?
> >>>>>>>> 
> >>>>>>>> Regards, Édouard.
> >>>>>>>> 
> >>>>>>>> 
> >>> 
> >>> 
> >>>>>>> Hmm, Interesting,
> >>> 
> >>>>>>> @Nachi, I'm not sure I fully understood:
> >>> 
> >>> 
> >>>>>>> SG_LIST [ SG1, SG2] SG_RULE_LIST = [SG_Rule1, SG_Rule2] ..
> >>>>>>> port[SG_ID1, SG_ID2], port2 , port3
> >>> 
> >>> 
> >>>>>>> Probably we may need to include also the SG_IP_LIST =
> >>>>>>> [SG_IP1, SG_IP2] ...
> >>> 
> >>> 
> >>>>>>> and let the agent do all the combination work.
> >>> 
> >>>>>>> Something like this could make sense?
> >>> 
> >>>>>>> Security_Groups = {SG1:{IPs:[....],RULES:[....],
> >>>>>>> SG2:{IPs:[....],RULES:[....]} }
> >>> 
> >>>>>>> Ports = {Port1:[SG1, SG2], Port2: [SG1] .... }
> >>> 
> >>> 
> >>>>>>> @Edouard, actually I like the idea of having the agent
> >>>>>>> subscribed to security groups they have ports on... That
> >>>>>>> would remove the need to include all the security groups
> >>>>>>> information on every call...
> >>> 
> >>>>>>> But would need another call to get the full information of
> >>>>>>> a set of security groups at start/resync if we don't
> >>>>>>> already have any.
> >>> 
> >>> 
> >>>>>>>> 
> >>>>>>>> On Fri, Jun 20, 2014 at 4:04 AM, shihanzhang <
> >>>>>>> ayshihanzh...@126.com >
> >>>>>>>> wrote:
> >>>>>>>> 
> >>>>>>>> 
> >>>>>>>> 
> >>>>>>>> hi Miguel Ángel, I am very agree with you about the
> >>>>>>>> following point:
> >>>>>>>>> * physical implementation on the hosts (ipsets,
> >>>>>>>>> nftables, ... )
> >>>>>>>> --this can reduce the load of compute node.
> >>>>>>>>> * rpc communication mechanisms.
> >>>>>>>> -- this can reduce the load of neutron server can you
> >>>>>>>> help me to review my BP specs?
> >>>>>>>> 
> >>>>>>>> 
> >>>>>>>> 
> >>>>>>>> 
> >>>>>>>> 
> >>>>>>>> 
> >>>>>>>> 
> >>>>>>>> At 2014-06-19 10:11:34, "Miguel Angel Ajo Pelayo" <
> >>>>>>> mangel...@redhat.com >
> >>>>>>>> wrote:
> >>>>>>>>> 
> >>>>>>>>> Hi it's a very interesting topic, I was getting ready
> >>>>>>>>> to raise the same concerns about our security groups
> >>>>>>>>> implementation,
> >>>>>>> shihanzhang
> >>>>>>>>> thank you for starting this topic.
> >>>>>>>>> 
> >>>>>>>>> Not only at low level where (with our default security
> >>>>>>>>> group rules -allow all incoming from 'default' sg- the
> >>>>>>>>> iptable rules will grow in ~X^2 for a tenant, and, the
> >>>>>>>>> "security_group_rules_for_devices" rpc call from
> >>>>>>>>> ovs-agent to neutron-server grows to message sizes of
> >>>>>>>>>> 100MB,
> >>>>>>>>> generating serious scalability issues or
> >>>>>>>>> timeouts/retries that totally break neutron service.
> >>>>>>>>> 
> >>>>>>>>> (example trace of that RPC call with a few instances
> >>>>>>>>> http://www.fpaste.org/104401/14008522/ )
> >>>>>>>>> 
> >>>>>>>>> I believe that we also need to review the RPC calling
> >>>>>>>>> mechanism for the OVS agent here, there are several
> >>>>>>>>> possible approaches to
> >>>>>>> breaking
> >>>>>>>>> down (or/and CIDR compressing) the information we
> >>>>>>>>> return via this
> >>>>>>> api
> >>>>>>>>> call.
> >>>>>>>>> 
> >>>>>>>>> 
> >>>>>>>>> So we have to look at two things here:
> >>>>>>>>> 
> >>>>>>>>> * physical implementation on the hosts (ipsets,
> >>>>>>>>> nftables, ... ) * rpc communication mechanisms.
> >>>>>>>>> 
> >>>>>>>>> Best regards, Miguel Ángel.
> >>>>>>>>> 
> >>>>>>>>> ----- Mensaje original -----
> >>>>>>>>> 
> >>>>>>>>>> Do you though about nftables that will replace
> >>>>>>> {ip,ip6,arp,eb}tables?
> >>>>>>>>>> It also based on the rule set mechanism. The issue
> >>>>>>>>>> in that proposition, it's only stable since the
> >>>>>>>>>> begin
> >>>>>>> of the
> >>>>>>>>>> year and on Linux kernel 3.13. But there lot of pros
> >>>>>>>>>> I don't list here (leverage iptables
> >>>>>>> limitation,
> >>>>>>>>>> efficient update rule, rule set, standardization of
> >>>>>>>>>> netfilter commands...).
> >>>>>>>>> 
> >>>>>>>>>> Édouard.
> >>>>>>>>> 
> >>>>>>>>>> On Thu, Jun 19, 2014 at 8:25 AM, henry hly <
> >>>>>>>>>> henry4...@gmail.com > wrote:
> >>>>>>>>> 
> >>>>>>>>>>> we have done some tests, but have different
> >>>>>>>>>>> result: the
> >>>>>>> performance is
> >>>>>>>>>>> nearly the same for empty and 5k rules in iptable,
> >>>>>>>>>>> but huge gap between enable/disable iptable hook
> >>>>>>>>>>> on linux bridge
> >>>>>>>>>> 
> >>>>>>>>> 
> >>>>>>>>>>> On Thu, Jun 19, 2014 at 11:21 AM, shihanzhang <
> >>>>>>> ayshihanzh...@126.com
> >>>>>>>>>>>> 
> >>>>>>>>>>> wrote:
> >>>>>>>>>> 
> >>>>>>>>> 
> >>>>>>>>>>>> Now I have not get accurate test data, but I can
> >>>>>>>>>>>> confirm the following points?
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>>>>> 1. In compute node, the iptable's chain of a VM
> >>>>>>>>>>>> is liner,
> >>>>>>> iptable
> >>>>>>>>>>>> filter it one by one, if a VM in default
> >>>>>>>>>>>> security group and this default security group
> >>>>>>>>>>>> have many members, but ipset chain is set, the
> >>>>>>>>>>>> time
> >>>>>>> ipset
> >>>>>>>>>>>> filter one and many member is not much
> >>>>>>>>>>>> difference.
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>>>>> 2. when the iptable rule is very large, the
> >>>>>>>>>>>> probability of
> >>>>>>> failure
> >>>>>>>>>>>> that iptable-save save the iptable rule is very
> >>>>>>>>>>>> large.
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>> 
> >>>>>>>>>>>> At 2014-06-19 10:55:56, "Kevin Benton" <
> >>>>>>>>>>>> blak...@gmail.com
> >>>>>>>> wrote:
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>> 
> >>>>>>>>>>>>> This sounds like a good idea to handle some of
> >>>>>>>>>>>>> the
> >>>>>>> performance
> >>>>>>>>>>>>> issues until the ovs firewall can be
> >>>>>>>>>>>>> implemented down the the line.
> >>>>>>>>>>>> 
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>>>>>> Do you have any performance comparisons?
> >>>>>>>>>>>> 
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>>>>>> On Jun 18, 2014 7:46 PM, "shihanzhang" <
> >>>>>>> ayshihanzh...@126.com >
> >>>>>>>>>>>>> wrote:
> >>>>>>>>>>>> 
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>> 
> >>>>>>>>>>>>>> Hello all,
> >>>>>>>>>>>>> 
> >>>>>>>>>>>> 
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>> 
> >>>>>>>>>>>>>> Now in neutron, it use iptable implementing
> >>>>>>>>>>>>>> security
> >>>>>>> group, but
> >>>>>>>>>>>>>> the performance of this implementation is
> >>>>>>>>>>>>>> very poor, there
> >>>>>>> is a bug:
> >>>>>>>>>>>>>> https://bugs.launchpad.net/neutron/+bug/1302272
> >>>>>>>>>>>>>> 
> >>>>>>>>>>>>>> 
> >>to
> >>>>>>> reflect this
> >>>>>>>>>>>>>> problem. In his test, w ith default security
> >>>>>>>>>>>>>> groups(which has remote security group),
> >>>>>>>>>>>>>> beyond 250-300 VMs, there were around 6k
> >>>>>>>>>>>>>> Iptable rules
> >>>>>>> on evry
> >>>>>>>>>>>>>> compute node, although his patch can reduce
> >>>>>>>>>>>>>> the processing time, but
> >>>>>>> it don't
> >>>>>>>>>>>>>> solve this problem fundamentally. I have
> >>>>>>>>>>>>>> commit a BP to solve this
> >>>>>>> problem:
> >>>>>>>>>>>>>> 
> >>>>>>> https://blueprints.launchpad.net/neutron/+spec/add-ipset-to-security
> >>> 
> >>>>>>> 
> >>> 
> >>>>>>>>>>>>>>> 
> >>>>>>>>>>>> 
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>>>>>>> There are other people interested in this
> >>>>>>>>>>>>>> it?
> >>>>>>>>>>>>> 
> >>>>>>>>>>>> 
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>> 
> >>>>>>>>>>>>>> _______________________________________________
> >>> 
> >>>>>>>>>>>>>> 
> >>>>>>>>>>>>>> 
> >>>>>>>>> 
> >>>>>>>>>>>> 
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>>>>>>> OpenStack-dev mailing list
> >>>>>>>>>>>>> 
> >>>>>>>>>>>> 
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>>>>>>> OpenStack-dev@lists.openstack.org >> > > >
> >>>>>>>>>>>> 
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>>>>>>> 
> >>>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >>> 
> >>>>>>> 
> >>> 
> >>>>>>>>>>>>>>> 
> >>>>>>>>>>>> 
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>> 
> >>>>>>>>>>>> _______________________________________________
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>>>>> OpenStack-dev mailing list
> >>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>>>>> OpenStack-dev@lists.openstack.org >> >
> >>>>>>>>>> 
> >>>>>>>>>>>> 
> >>>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >>>>>>> 
> >>>>>>> 
> >>>> 
> >>>>>>>>>>>>> 
> >>>>>>>>>> 
> >>>>>>>>> 
> >>>>>>>>>>> _______________________________________________
> >>>>>>>>>> 
> >>>>>>>>>>> OpenStack-dev mailing list
> >>>>>>>>>> 
> >>>>>>>>>>> OpenStack-dev@lists.openstack.org >>
> >>>>>>>>>>> 
> >>>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >>>>>>> 
> >>>>>>> 
> >>>> 
> >>>>>>>>> 
> >>>>>>>>>> _______________________________________________
> >>>>>>>>>> OpenStack-dev mailing list
> >>>>>>>>>> OpenStack-dev@lists.openstack.org >>
> >>>>>>>>>> 
> >>>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >>>>>>> 
> >>>>>>> 
> >>> 
> >>>>>>>>> _______________________________________________
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> >>>>>>>>> OpenStack-dev@lists.openstack.org >
> >>>>>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >>> 
> >>>>>>>>> 
> >>>>>>>>> 
> >>> 
> >>>>>>>> 
> >>>>>>>> 
> >>>>>>>> _______________________________________________
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> >>>>>>>> OpenStack-dev@lists.openstack.org
> >>>>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >>> 
> >>>>>>>> 
> >>>>>>>> 
> >>> 
> >>>>>>>> 
> >>>>>>>> 
> >>>>>>>> _______________________________________________
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> >>>>>>>> OpenStack-dev@lists.openstack.org
> >>>>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
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> >>>>>>>> 
> >>>>>>>> 
> >>> 
> >>> 
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> >>>>>> 
> >>> 
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> >>>>> 
> >>>>> 
> >>>>> 
> >>>>>> 
> >>> 
> >>>>>> 
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> >>> 
> >>>>> 
> >>>>> 
> >>>> _______________________________________________ OpenStack-dev
> >>>> mailing list OpenStack-dev@lists.openstack.org
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> >>Version: GnuPG/MacGPG2 v2.0.22 (Darwin)
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> --
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