I my case, I have a pool (cluster) of servers and I want to Implement Layer 7 load-balancer (content-aware load- balancer). For this, I need to get first 4 packet and then allocate a server in my cluster according to HTTP header.
On Sat, Sep 12, 2015 at 7:04 PM, Gal Sagie <gal.sa...@gmail.com> wrote: > If you want a "transparent" proxy, you don't need TCP termination you can > just forward the packet. > For your question, you can have a match all send to controller flow (lets > say with priority 100), then when you decide you don't need > the traffic to go to the controller you can install a flow with higher > priority for that session. (with forward actions) > (in the mean time your controller can just forward the packets to the > destination after it inspected them or did what ever it is > you want to do) > > Another thing you can leverage is that OVS in master branch now has an > integration with conntrack. > You might be able to use it ( > http://openvswitch.org/support/ovscon2014/17/1030-conntrack_nat.pdf) > > What are you trying to do that require TCP termination? > > > > > > On Sat, Sep 12, 2015 at 4:21 PM, Seyyed Hesamoddin Ghasemi < > s.hesam.ghas...@gmail.com> wrote: > >> Why not? As I know OVS have access to all header fields in layer 2 to >> layer 4! >> How can I Implement a simple proxy using OVS? I mean, how can get packet >> from a source node and send it to a destination node in a transparent >> manner? >> >> I need to get first 4 packet of a tcp session in the controller (as a >> proxy) and then forward the rest of packets using OVS without intervention >> of the controller and with keep current tcp session. How can I do that? >> >> >> On Sat, Sep 5, 2015 at 10:19 PM, Justin Pettit <jpet...@nicira.com> >> wrote: >> >>> >>> > On Sep 5, 2015, at 8:53 AM, Seyyed Hesamoddin Ghasemi < >>> s.hesam.ghas...@gmail.com> wrote: >>> > >>> > Hi every body, >>> > I need to develop a proxy, and for this I should add/sub a constant >>> value to sequence number and ack number in ovs, Could somebody please help >>> me? >>> >>> OVS doesn't provide any visibility into the sequence numbers of TCP >>> packets. >>> >>> --Justin >>> >>> >>> >> >> >> -- >> Seyyed Hesamoddin Ghasemi >> >> _______________________________________________ >> discuss mailing list >> discuss@openvswitch.org >> http://openvswitch.org/mailman/listinfo/discuss >> >> > > > -- > Best Regards , > > The G. > -- Seyyed Hesamoddin Ghasemi
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