To achieve this, Client needs to establish a session to the controller and when controller receives HTTP packet from the client, then decide to redirect this session to the accurate server in a transparent manner. Am I right?
On Sat, Sep 12, 2015 at 7:15 PM, Seyyed Hesamoddin Ghasemi < s.hesam.ghas...@gmail.com> wrote: > 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 > -- Seyyed Hesamoddin Ghasemi
_______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
