[prev in list] [next in list] [prev in thread] [next in thread] 

List:       openvswitch-dev
Subject:    [ovs-dev] asking the example to use openflow protocol to limit the flow rate in openvswitch
From:       jpettit () nicira ! com (Justin Pettit)
Date:       2012-06-29 3:01:51
Message-ID: EE146E80-C9DC-4E80-ADF3-ADE1FF1908AE () nicira ! com
[Download RAW message or body]

ovs-openflowd has been deprecated in favor of ovs-vswitchd.  If you're not using a \
distribution that already has OVS support built in, the INSTALL.Linux file in the OVS \
distribution contains a instructions for getting it started.

--Justin


On Jun 28, 2012, at 10:51 AM, trinh tri wrote:

> Dear Mr Justin!
> 
> Yep! I want to connect openvswitch to NOX and let NOX dynamically control the \
> bandwidth providing to each flow. I viewed from some website, they use this command \
>                 for the openvswitch to connect to NOX:
> ./utilities/ovs-openflowd dp0 --datapath-id=0000004E46324304 tcp:192.168.0.100 port \
> 6633 --out-of-band But in the new version of openvswitch (1.6.1), I cannot find the \
> tool ovs-openflowd. In your last email I think you give me solution of connecting \
> openvswitch to NOX by ovs-ofctl and ovs-vsctl. Could you help me to write what \
> command is equivalant to the above commands? 
> Thank you very much 
> Trinh Minh Tri
> -------------------------------------------------
> PhD Student, Department of Electrical Engineering
> Chulalongkorn University, Bangkok 10330, Thailand.
> Phone:0824566602
> Email: no8bk at yahoo.com
> From: Justin Pettit <jpettit at nicira.com>
> To: trinh tri <no8bk at yahoo.com> 
> Cc: "dev at openvswitch.org" <dev at openvswitch.org> 
> Sent: Thursday, June 28, 2012 12:18 PM
> Subject: Re: [ovs-dev] asking the example to use openflow protocol to limit the \
> flow rate in openvswitch 
> What do you mean by hands-on?  From NOX?  I don't think it speaks OVSDB.  I'd \
> probably start off by using ovs-vsctl and ovs-ofctl to manually configure what you \
> want.  Translating from ovs-ofctl to OpenFlow should be pretty straight-forward, \
> since the commands map pretty directly to OpenFlow.  For OVSDB, you could configure \
> ovsdb-server so that you can run ovs-vsctl on the NOX system and connect over \
> TCP/SSL.  Or you could do it programmatically by looking at some of the other \
> programs in the OVS distribution that make use of the database. 
> --Justin
> 
> 
> On Jun 28, 2012, at 1:08 AM, trinh tri wrote:
> 
> > Thank you very much Mr. Petit for the prompt reply.
> > Do you know any hand-on example to implement that? 
> > 
> > Trinh Minh Tri
> > -------------------------------------------------
> > PhD Student, Department of Electrical Engineering
> > Chulalongkorn University, Bangkok 10330, Thailand.
> > Phone:0824566602
> > Email: no8bk at yahoo.com
> > From: Justin Pettit <jpettit at nicira.com>
> > To: trinh tri <no8bk at yahoo.com> 
> > Cc: "dev at openvswitch.org" <dev at openvswitch.org> 
> > Sent: Thursday, June 28, 2012 11:49 AM
> > Subject: Re: [ovs-dev] asking the example to use openflow protocol to limit the \
> > flow rate in openvswitch 
> > The configuration of QoS is done through the OVSDB protocol, which handle \
> > switch-level configuration.  You can then use OpenFlow to direct flows to \
> > particular queues that you've configured through OVSDB.  There are C and Python \
> > bindings to OVSDB (but I don't think NOX makes use of them) or you can use \
> > ovs-vsctl as a CLI interface to OVSDB. 
> > There's an example of configuring QoS towards the end of the ovs-vsctl man page.  \
> > The ovs-ofctl man page describes the enqueue and set_queue actions that can be \
> > used to direct flows to the queues you've configured. 
> > --Justin
> > 
> > 
> > On Jun 28, 2012, at 12:43 AM, trinh tri wrote:
> > 
> > > Dear openvswitch dev!
> > > 
> > > I'm trying to implement a system which can dynamically control the flow rate \
> > > limiting of openvswitch. And would like control that rate from NOX controller \
> > > via openflow protocol. 
> > > Could you suggest me how to implement that system and is there any example \
> > > about that system to follow?  
> > > Thank you very much
> > > Trinh Minh Tri
> > > -------------------------------------------------
> > > PhD Student, Department of Electrical Engineering
> > > Chulalongkorn University, Bangkok 10330, Thailand.
> > > Phone:0824566602
> > > Email: no8bk at yahoo.com
> > > _______________________________________________
> > > dev mailing list
> > > dev at openvswitch.org
> > > http://openvswitch.org/mailman/listinfo/dev
> > 
> > 
> > 
> 
> 
> 


[prev in list] [next in list] [prev in thread] [next in thread]