Yes it is; from every perspective. Zoltan
>-----Original Message----- >From: Shuva Jyoti Kar >Sent: Friday, September 27, 2013 10:20 AM >To: Zoltán Lajos Kis; openflow-discuss@lists.stanford.edu >Subject: RE: openflow-discuss Digest, Vol 59, Issue 28 > >But is it Pkt out/Pkt in , from the controller perspective ? > >Shuva > >-----Original Message----- >From: Zoltán Lajos Kis >Sent: Friday, September 27, 2013 1:43 PM >To: Shuva Jyoti Kar; openflow-discuss@lists.stanford.edu >Subject: RE: openflow-discuss Digest, Vol 59, Issue 28 > >Here is a brief description: http://blogs.ixiacom.com/ixia-blog/discovery-in- >openflow-networks-at-onf-plugfest/ > >The only mistake here is that there should be a separate packet_out/lldp >message per switch and per port. If the controller were to do it as described >here (one packet_out/lldp for all ports), it wouldn't be able to tell which >actual >ports are connected. > >Regards, >Zoltan. > >>-----Original Message----- >>From: openflow-discuss-boun...@lists.stanford.edu [mailto:openflow- >>discuss-boun...@lists.stanford.edu] On Behalf Of Shuva Jyoti Kar >>Sent: Friday, September 27, 2013 10:01 AM >>To: openflow-discuss@lists.stanford.edu >>Subject: Re: [openflow-discuss] openflow-discuss Digest, Vol 59, Issue >>28 >> >>Hi, >> >>Could someone explaain how the Topolgy is discovered using LLDP? >> >>Shuva >> >>-----Original Message----- >>From: openflow-discuss-boun...@lists.stanford.edu [mailto:openflow- >>discuss-boun...@lists.stanford.edu] On Behalf Of openflow-discuss- >>requ...@lists.stanford.edu >>Sent: Friday, September 27, 2013 12:31 AM >>To: openflow-discuss@lists.stanford.edu >>Subject: openflow-discuss Digest, Vol 59, Issue 28 >> >>Send openflow-discuss mailing list submissions to >> openflow-discuss@lists.stanford.edu >> >>To subscribe or unsubscribe via the World Wide Web, visit >> https://mailman.stanford.edu/mailman/listinfo/openflow-discuss >>or, via email, send a message with subject or body 'help' to >> openflow-discuss-requ...@lists.stanford.edu >> >>You can reach the person managing the list at >> openflow-discuss-ow...@lists.stanford.edu >> >>When replying, please edit your Subject line so it is more specific than "Re: >>Contents of openflow-discuss digest..." >> >> >>Today's Topics: >> >> 1. Re: Ovs controller and NOX controller (Windhya Rankothge) >> 2. Re: Ovs controller and NOX controller (Windhya Rankothge) >> 3. Openflow controller discovery (Windhya Rankothge) >> 4. Re: Openflow controller discovery (shiva m) >> >> >>---------------------------------------------------------------------- >> >>Message: 1 >>Date: Thu, 26 Sep 2013 09:54:55 +0200 >>From: Windhya Rankothge <windys...@gmail.com> >>To: Ben Pfaff <b...@nicira.com> >>Cc: "openflow-discuss@lists.stanford.edu" >> <openflow-discuss@lists.stanford.edu> >>Subject: Re: [openflow-discuss] Ovs controller and NOX controller >>Message-ID: >> <CADWQY-c- >>9Ee=sw5X+DELVRZriN=5b08ezep0ui+qrkg9irw...@mail.gmail.com> >>Content-Type: text/plain; charset="iso-8859-1" >> >>Thanks alot for the clarification.. >> >> >>On Mon, Sep 23, 2013 at 6:32 PM, Ben Pfaff <b...@nicira.com> wrote: >> >>> On Mon, Sep 23, 2013 at 04:19:52PM +0200, Windhya Rankothge wrote: >>> > I have read about ovs controller and NOX controller, and I learnt >>> > that >>> ovs >>> > controller is a reference controller while NOX is a remote controller.. >>> > >>> > I would like to know the difference between reference controller >>> > and >>> remote >>> > controller.. >>> >>> ovs-controller is only useful for testing and debugging a switch. It >>> isn't anything you would want to deploy. >>> >>> NOX applications can be useful in production. >>> >> >> >> >>-- >>Best Regards, >> >>Windhya Rankothge..... (WINDY) >>-------------- next part -------------- An HTML attachment was >>scrubbed... >>URL: <http://mailman.stanford.edu/pipermail/openflow- >>discuss/attachments/20130926/1622ef6e/attachment-0001.html> >> >>------------------------------ >> >>Message: 2 >>Date: Thu, 26 Sep 2013 09:55:03 +0200 >>From: Windhya Rankothge <windys...@gmail.com> >>To: Justin Pettit <jpet...@cs.stanford.edu> >>Cc: "openflow-discuss@lists.stanford.edu" >> <openflow-discuss@lists.stanford.edu> >>Subject: Re: [openflow-discuss] Ovs controller and NOX controller >>Message-ID: >> <CADWQY-d9wb=nqecRpP4Z9LN2fxhPgR+m63uP-uqRq3P-- >>1c...@mail.gmail.com> >>Content-Type: text/plain; charset="iso-8859-1" >> >>Thanks alot for the clarification.. >> >> >>On Mon, Sep 23, 2013 at 5:50 PM, Justin Pettit >><jpet...@cs.stanford.edu>wrote: >> >>> Both controllers can be used remotely. The one that comes with OVS >>> is intended to test the OpenFlow connection in OVS; it just acts as a >>> learning switch. NOX is a framework for building network >>> applications and is probably closer to what you want. >>> >>> Hope that helps. >>> >>> --Justin >>> >>> >>> On Sep 23, 2013, at 7:19 AM, Windhya Rankothge ><windys...@gmail.com> >>> wrote: >>> >>> > >>> > Hi all, >>> > >>> > I have read about ovs controller and NOX controller, and I learnt >>> > that >>> ovs controller is a reference controller while NOX is a remote controller.. >>> > >>> > I would like to know the difference between reference controller >>> > and >>> remote controller.. >>> > >>> > Highly appreciate your thoughts.. >>> > >>> > Best Regards, >>> > >>> > Windhya Rankothge >>> > _______________________________________________ >>> > openflow-discuss mailing list >>> > openflow-discuss@lists.stanford.edu >>> > https://mailman.stanford.edu/mailman/listinfo/openflow-discuss >>> >>> >> >> >>-- >>Best Regards, >> >>Windhya Rankothge..... (WINDY) >>-------------- next part -------------- An HTML attachment was >>scrubbed... >>URL: <http://mailman.stanford.edu/pipermail/openflow- >>discuss/attachments/20130926/b1cfcdee/attachment-0001.html> >> >>------------------------------ >> >>Message: 3 >>Date: Thu, 26 Sep 2013 12:44:00 +0200 >>From: Windhya Rankothge <windys...@gmail.com> >>To: "openflow-discuss@lists.stanford.edu" >> <openflow-discuss@lists.stanford.edu> >>Subject: [openflow-discuss] Openflow controller discovery >>Message-ID: >> <CADWQY-fq6coWwqemjDjZRGziRv-- >>4hhnexcwhjemppuz5wc...@mail.gmail.com> >>Content-Type: text/plain; charset="iso-8859-1" >> >>Hi all, >> >>As I have read, in openflow topology discovery, controller sends the >>LLDP packet to all the connected switches via a packet_out message to >>discover openflow switches connected to it.. >> >>If it is a distributed controller environment, i would like to know, >>how controllers discover each other ? >>Does this handles by openflow it self ? >> >>Highly appreciate your thoughts.. >> >> >>Best Regards, >> >>Windhya Rankothge..... >>-------------- next part -------------- An HTML attachment was >>scrubbed... >>URL: <http://mailman.stanford.edu/pipermail/openflow- >>discuss/attachments/20130926/9786cc20/attachment-0001.html> >> >>------------------------------ >> >>Message: 4 >>Date: Thu, 26 Sep 2013 17:07:42 +0530 >>From: shiva m <anjane...@gmail.com> >>To: Windhya Rankothge <windys...@gmail.com> >>Cc: "openflow-discuss@lists.stanford.edu" >> <openflow-discuss@lists.stanford.edu> >>Subject: Re: [openflow-discuss] Openflow controller discovery >>Message-ID: >> <CAGm0vUpqgsdwrvBJ2XdfqdkotxLQpMt0PJxfqy=Jq4kkvnV_kQ@ma >>il.gmail.com> >>Content-Type: text/plain; charset="iso-8859-1" >> >>Hi, >> >>As i understand, there are no distributed controllers, you can connect >>to one or more controllers. Some controllers support active/standby >>model but as i understand there is no distributed controller support in >openflow controllers. >>There may be SDN controllers which supports distributed controllers to >>create virtual networks. >> >>Thanks & Regards, >>Shiva >> >> >>On Thu, Sep 26, 2013 at 4:14 PM, Windhya Rankothge >><windys...@gmail.com>wrote: >> >>> Hi all, >>> >>> As I have read, in openflow topology discovery, controller sends the >>> LLDP packet to all the connected switches via a packet_out message to >>> discover openflow switches connected to it.. >>> >>> If it is a distributed controller environment, i would like to know, >>> how controllers discover each other ? >>> Does this handles by openflow it self ? >>> >>> Highly appreciate your thoughts.. >>> >>> >>> Best Regards, >>> >>> Windhya Rankothge..... >>> >>> _______________________________________________ >>> openflow-discuss mailing list >>> openflow-discuss@lists.stanford.edu >>> https://mailman.stanford.edu/mailman/listinfo/openflow-discuss >>> >>> >>-------------- next part -------------- An HTML attachment was >>scrubbed... >>URL: <http://mailman.stanford.edu/pipermail/openflow- >>discuss/attachments/20130926/53f984b8/attachment-0001.html> >> >>------------------------------ >> >>_______________________________________________ >>openflow-discuss mailing list >>openflow-discuss@lists.stanford.edu >>https://mailman.stanford.edu/mailman/listinfo/openflow-discuss >> >> >>End of openflow-discuss Digest, Vol 59, Issue 28 >>************************************************ >>_______________________________________________ >>openflow-discuss mailing list >>openflow-discuss@lists.stanford.edu >>https://mailman.stanford.edu/mailman/listinfo/openflow-discuss _______________________________________________ openflow-discuss mailing list openflow-discuss@lists.stanford.edu https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
