I have a student working in this and one reason you would need flow identifiers is just to track user specified input. However, since each flow is unique as explained by Murphy, we actually track flows by ID at the controller end. We only send "normalized" flows to the controller.

It is also good to remember that switches aren't obliged to resolved rules in a particular order. Although, I wish it has a most specific to least specific rule like routers.

Sent on the move.
From: Sayed Qaiser Ali Shah Shah
Sent: Monday, October 28, 2013 5:47 AM
To: Murphy McCauley
Subject: Re: [pox-dev] Getting flow ID from Flow Table

Thanks Murphy for your great support always. I will try this. :)


On Mon, Oct 28, 2013 at 12:42 AM, Murphy McCauley <[email protected]> wrote:
If there are seven TCP connections, they are identifiable via properties of the connection itself (source/destination IP/port).  You'd create seven table entries which match these unique properties of the connections, and these entries would have the proper enqueue actions.  From your description, I don't understand why an ID is required.

-- Murphy

On Oct 27, 2013, at 3:37 AM, Sayed Qaiser Ali Shah Shah <[email protected]> wrote:

What I am doing is explained below.
Lets suppose we have 7 flows of same traffic like http. What I want to do is pass 4 flows via queue-1 and 3 flows from queue-2. That's why I need flow ID so that I can identify flow by flow ID and forward that flows accordingly.


On Sun, Oct 27, 2013 at 9:17 AM, Murphy McCauley <[email protected]> wrote:
Usually they're identified by their match criteria.  Maybe it would help if you explained further exactly what you're trying to accomplish.

-- Murphy

On Oct 26, 2013, at 2:17 PM, Sayed Qaiser Ali Shah Shah <[email protected]> wrote:

Thanks Murphy McCauley for your response.
Is there any other way with the help of which we can identify flow?


On Sat, Oct 26, 2013 at 11:14 PM, Murphy McCauley <[email protected]> wrote:
As far as I can tell, the OpenFlow 1.0 specification doesn't contain any reference to a "flow id", so I'm not sure what to tell you.

-- Murphy

On Oct 26, 2013, at 6:36 AM, Sayed Qaiser Ali Shah Shah <[email protected]> wrote:

As Flow Tables contain flow entries and as far as I know flow entry is identified by flow id in flow table what I want to do is, using POX controller I want to get flow ID from flow table. How can I do this? Is it possible? 

--
Regards

Sayed Qaiser Ali Shah
MSIT-12
NUST (SEECS)





--
Regards

Sayed Qaiser Ali Shah
MSIT-12
NUST (SEECS)





--
Regards

Sayed Qaiser Ali Shah
MSIT-12
NUST (SEECS)





--
Regards

Sayed Qaiser Ali Shah
MSIT-12
NUST (SEECS)


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