Hi Joe,
        Thanks for your reply, this is very helpful.
        Is there any body do this now? so we can do it together.

thanks

-----邮件原件-----
发件人: Joe Stringer [mailto:j...@ovn.org] 
发送时间: 2016年8月5日 8:57
收件人: Yangyongqiang (Tony, Shannon)
抄送: dev@openvswitch.org
主题: Re: [ovs-dev] ovs dpdk : userspace connection tracker cannot support L7?

On 2 August 2016 at 19:30, Yangyongqiang (Tony, Shannon) 
<yangyongqi...@huawei.com> wrote:
> Hello,
>
> We read the connection tracker code, and find this patch can not parse ftp 
> protocol.
>
> Whether the userspace connection tracker only has L4 feather or has L7 
> feather too ?
>
> If the ct cannot L7, then ovs dpdk cannot be used for stateful security 
> group, so do we have a plan for supporting L7?

In the userspace datapath (dpdk), there is no support for IP fragmentation or 
ALGs today. Only the linux kernel datapath has support for these.
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