[ovs-dev] They told me you were looking for lists for your email campaign

2011-11-25 Thread Vicente Ortiz
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Re: [ovs-dev] Open vSwitch Design

2011-11-25 Thread Stephen Hemminger
Not sure how Openvswitch implementation relates to Openflow specification. There are a few switches supporting Openflow already: http://www.openflow.org/wp/switch-nec/ http://www-03.ibm.com/systems/x/options/networking/bnt8264/index.html The standard(s) are here: http://www.openflow.org/wp/

Re: [ovs-dev] Open vSwitch Design

2011-11-25 Thread Jamal Hadi Salim
On Fri, 2011-11-25 at 12:20 -0800, Jesse Gross wrote: > The flow classifier isn't really designed to do rule lookup in the way > that OpenFlow/Open vSwitch does, since it's more about choosing which > fields are considered significant to the flow. I'm sure that it could > be extended in some way

Re: [ovs-dev] Open vSwitch Design

2011-11-25 Thread Jamal Hadi Salim
On Fri, 2011-11-25 at 11:52 -0800, Justin Pettit wrote: > On Nov 24, 2011, at 9:20 PM, Stephen Hemminger wrote: > > A big difficulty is finding an appropriate hardware abstraction. I've worked > on porting > Open vSwitch to a few different vendors' switching ASICs, and they've all > looked qu

Re: [ovs-dev] Open vSwitch Design

2011-11-25 Thread Jesse Gross
On Fri, Nov 25, 2011 at 3:34 AM, jamal wrote: > > Hrm. I forgot about the flow classifier - it may be what the openflow > folks need. It is more friendly for the well defined tuples than u32. The flow classifier isn't really designed to do rule lookup in the way that OpenFlow/Open vSwitch does, s

Re: [ovs-dev] Open vSwitch Design

2011-11-25 Thread Jesse Gross
On Thu, Nov 24, 2011 at 10:18 PM, Eric Dumazet wrote: > Le jeudi 24 novembre 2011 à 21:20 -0800, Stephen Hemminger a écrit : > >> The problem is that there are two flow classifiers, one in OpenVswitch >> in the kernel, and the other in the user space flow manager. I think the >> issue is that the

Re: [ovs-dev] Open vSwitch Design

2011-11-25 Thread Justin Pettit
On Nov 24, 2011, at 9:20 PM, Stephen Hemminger wrote: >> This can be achieved easily with zero changes to the kernel code. >> You need to have default filters that redirect flows to user space >> when you fail to match. > > Actually, this is what puts me off on the current implementation. > I wou

Re: [ovs-dev] Open vSwitch Design

2011-11-25 Thread Jesse Gross
On Thu, Nov 24, 2011 at 9:20 PM, Stephen Hemminger wrote: > On Thu, 24 Nov 2011 17:30:33 -0500 > jamal wrote: >> On Thu, 2011-11-24 at 12:10 -0800, Jesse Gross wrote: >> >  * Userspace interfaces:  One of the difficulties of having a >> > specialized, exact match flow lookup engine is maintaining

Re: [ovs-dev] Open vSwitch Design

2011-11-25 Thread Stephen Hemminger
On Fri, 25 Nov 2011 06:24:36 -0500 jamal wrote: > Most hardware bridges out there support all different modes: > You can have learning in the hardware or defer it to user/control plane > by setting some flags. You can have broadcasting done in hardware or > defer to user space. > The mods i was

[ovs-dev] hello

2011-11-25 Thread princess basel
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Re: [ovs-dev] Open vSwitch Design

2011-11-25 Thread Eric Dumazet
Le vendredi 25 novembre 2011 à 06:34 -0500, jamal a écrit : > Hrm. I forgot about the flow classifier - it may be what the openflow > folks need. It is more friendly for the well defined tuples than u32. > > But what do you mean "refactor"? I can already use this classifier > and attach actions to

Re: [ovs-dev] Open vSwitch Design

2011-11-25 Thread jamal
Hrm. I forgot about the flow classifier - it may be what the openflow folks need. It is more friendly for the well defined tuples than u32. But what do you mean "refactor"? I can already use this classifier and attach actions to set policy in the kernel. cheers, jamal On Fri, 2011-11-25 at 07:3

Re: [ovs-dev] Open vSwitch Design

2011-11-25 Thread jamal
On Thu, 2011-11-24 at 21:20 -0800, Stephen Hemminger wrote: > On Thu, 24 Nov 2011 17:30:33 -0500 > jamal wrote: > > > Can you explain why you couldnt use the current bridge code (likely with > > some mods)? I can see you want to isolate the VMs via the virtual ports; > > maybe even vlans on the