Hi,
On 2016年04月25日 15:08, Malekloo, Ashkan wrote: > Hi, > > Thanks for your response. > > I would appreciate if could help me on something else. I have a scenario in > which I want to change the third scenario of RYU SDN Framework book QoS > chapter that described the Meter based QoS. In my scenario I have two queues, > EF and AF, on my switches. On the starting node of my flows I want to check > these queues and see whether the delay (or rate) of my EF queue degraded or > not. If it is the case I want to remark the flows that relates to EF to AF > until the EF queue delay gets back to its normal condition. > > Considering the aforementioned scenario, If you could configure queues for AF and EF, I think you should map DSCP value to these queues first, then, install QoS rules. e.g.) ========== ==== ======== ======== (Priority) DSCP Queue ID (QoS ID) ========== ==== ======== ======== 1 BE 1 1 1 EF 2 2 ========== ==== ======== ======== In "Example of the operation of QoS by using Meter Table", the bandwidth of the traffic s1->h1 is separated by the queues of s1. So, I think whether the delay (or rate) of EF queue degraded or not are depending on the s1 queues setting. > > 1) Can I implement this scenario using just the rules of meter? If so please > kindly help me find the right rules to help me achieve this. I think you can. Please refer to the following API reference. http://osrg.github.io/ryu-book/en/html/rest_qos.html#set-a-qos-rule Thanks, Iwase > 2) otherwise, if you think I need to change the source code, what is the > appropriate source code module that I need to manipulate. > > Thanking you in advance, > Ashkan > > >> On Ordibehesht 6, 1395 AP, at 5:25 AM, Iwase Yusuke <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hi, >> >> On 2016年04月23日 06:53, Isaku Yamahata wrote: >>> ----- Forwarded message from "Malekloo, Ashkan" >>> <[email protected] <mailto:[email protected]>> ----- >>> >>> Date: Fri, 22 Apr 2016 20:27:53 +0000 >>> Subject: Adding queue to a switch using RYU QoS >>> x-mailer: Apple Mail (2.3124) >>> >>> Hello, >>> Hope you are doing well. >>> >>> I am using Ryu QoS on ubuntu 14.04 and mininet 2.2.1 >>> >>> All I've done is use the exact commands as said in the RYU SDN Framework >>> book. and after this command: >>> curl -X POST -d '{"match": {"ip_dscp": "26"}, "actions":{"queue": "1"}}' >>> http://localhost:8080/qos/rules/0000000000000001 >>> >>> I gtt this error: >>> Invalid rule parameter >>> >>> So, I've restarted everything then I tried Qos per-flow. like before I used >>> ecaxt command as RYU SDN Framework book. After this command: >>> curl -X POST -d '{"match": {"nw_dst": "10.0.0.1", "nw_proto": "UDP", >>> "tp_dst": "5002"}, "actions":{"queue": "1"}}' >>> http://localhost:8080/qos/rules/0000000000000001 >>> >>> I’ve got the exact same error as before: >>> Invalid rule parameter >> >> A "numeric string" like {"queue": "1"} causes this problem. >> First, please try with non-string number like {"queue": 1}. >> >> To fix this problem, I wrote the following patch, >> but please note this patch is under reviewing in our team. >> >> >> From 5bb93cca1dd5747be854737c6b78f8c2bb4f7532 Mon Sep 17 00:00:00 2001 >> From: IWASE Yusuke <[email protected] <mailto:[email protected]>> >> Date: Thu, 7 Apr 2016 11:46:00 +0900 >> Subject: [PATCH] ofctl_utils: Enhance user value conversion >> >> Currently, OFCtlUtil._reserved_num_from_user() fails to convert >> an user specified value when it is a numeric string. >> This patch enhances this conversion to enable to convert an user >> value as follows. >> >> e.g.) >> - Integer: 1 -> 1 >> - Numeric string: "1" -> 1 >> - Reserved number: "OFPP_ANY" -> 0xffffffff >> - Invalid value: "foobar" -> "foobar" (do not conversion) >> >> Signed-off-by: IWASE Yusuke <[email protected] >> <mailto:[email protected]>> >> --- >> ryu/lib/ofctl_utils.py | 19 ++++++++++++------- >> 1 file changed, 12 insertions(+), 7 deletions(-) >> >> diff --git a/ryu/lib/ofctl_utils.py b/ryu/lib/ofctl_utils.py >> index b5fbc9b..832baf0 100644 >> --- a/ryu/lib/ofctl_utils.py >> +++ b/ryu/lib/ofctl_utils.py >> @@ -240,13 +240,18 @@ def __init__(self, ofproto): >> 'OFPQCFC_EPERM'] >> >> def _reserved_num_from_user(self, num, prefix): >> - if isinstance(num, int): >> - return num >> - else: >> - if num.startswith(prefix): >> - return getattr(self.ofproto, num) >> - else: >> - return getattr(self.ofproto, prefix + num.upper()) >> + try: >> + return str_to_int(num) >> + except ValueError: >> + try: >> + if num.startswith(prefix): >> + return getattr(self.ofproto, num.upper()) >> + else: >> + return getattr(self.ofproto, prefix + num.upper()) >> + except AttributeError: >> + LOG.warning( >> + "Cannot convert argument to reserved number: %s", num) >> + return num >> >> def _reserved_num_to_user(self, num, prefix): >> for k, v in self.ofproto.__dict__.items(): >> >> >> >> Thanks, >> Iwase >> >> >>> >>> on the other hand, when I use "mark" in my actions command it easily adds >>> the rule and I can confirm it using get. >>> >>> can you help me please solve this? >>> Thank you in advance! >>> >>> ----- End forwarded message ----- > > > > ------------------------------------------------------------------------------ > Find and fix application performance issues faster with Applications Manager > Applications Manager provides deep performance insights into multiple tiers of > your business applications. It resolves application problems quickly and > reduces your MTTR. Get your free trial! > https://ad.doubleclick.net/ddm/clk/302982198;130105516;z > > > > _______________________________________________ > Ryu-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/ryu-devel > ------------------------------------------------------------------------------ Find and fix application performance issues faster with Applications Manager Applications Manager provides deep performance insights into multiple tiers of your business applications. It resolves application problems quickly and reduces your MTTR. Get your free trial! https://ad.doubleclick.net/ddm/clk/302982198;130105516;z _______________________________________________ Ryu-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ryu-devel
