[Freeswitch-users] [OpenSIPS-Users] Brainstorming load balancing feature - dispatcher & FS

Tue Feb 25 20:07:54 MSK 2014

Options response is easy enough to do on our side, also, maybe in 18x responses as we already have done acl checks on the invites anyways, its a good place to respond and useful.

On Feb 25, 2014, at 2:22 AM, William King <william.king at quentustech.com> wrote:

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> I'm not sure about the opensips side, but implementing this with
> custom notify events would be very easy to do in FS. On receipt of a
> custom notify that has a matching content-type, check the source ip
> against an ACL. If it matches, then respond with a notify packet with
> basically the body filled with the output of the status api command.
> 
> Sure it can probably be optimized from there, but this technique could
> be written and working in under an hour.
> 
> Example status api command output:
> 
> UP 0 years, 10 days, 13 hours, 39 minutes, 8 seconds, 359
> milliseconds, 62 microseconds
> FreeSWITCH (Version 1.5.8b git fe2a4d6 2014-02-14 00:03:11Z 64bit) is
> ready
> 1964 session(s) since startup
> 0 session(s) - peak 32, last 5min 1
> 0 session(s) per Sec out of max 30, peak 5, last 5min 1
> 1000 session(s) max
> min idle cpu 0.00/96.00
> Current Stack Size/Max 240K/8192K
> 
> 
> William King
> Senior Engineer
> Quentus Technologies, INC
> 1037 NE 65th St Suite 273
> Seattle, WA 98115
> Main:   (877) 211-9337
> Office: (206) 388-4772
> Cell:   (253) 686-5518
> william.king at quentustech.com
> 
> On 02/24/2014 07:15 PM, Alexander Mustafin wrote:
>> I think, that OPTIONS is a good idea, also http-requests can make
>> the same, but imho OPTIONS are easy in use and more clarity.
>> 
>> Best regards, Alexander Mustafin mustafin.aleksandr at gmail.com
>> <mailto:mustafin.aleksandr at gmail.com>
>> 
>> 
>> 
>> 
>> 23 ????. 2014 ?., ? 15:16, jay binks <jaybinks at gmail.com 
>> <mailto:jaybinks at gmail.com>> ???????(?):
>> 
>>> Sure it dosnt have to be SIP at all... and we could use multicast
>>> or any other API.. but the point is I use SIP Options anyways to
>>> check the gateway is there, so it may as well have some load
>>> related info in the response...
>>> 
>>> 
>>> 
>>> 
>>> On 23 February 2014 09:00, Brian West <brian at freeswitch.org 
>>> <mailto:brian at freeswitch.org>> wrote:
>>> 
>>> Could you share this in your cluster via multicast and just
>>> write down the reports that come in periodically?  Could even do 
>>> unicast.  Not sure why it has to be sip at all. -- Brian West 
>>> brian at freeswitch.org <mailto:brian at freeswitch.org> FreeSWITCH
>>> Solutions, LLC PO BOX 2531 Brookfield, WI 53008-2531 Twitter:
>>> @FreeSWITCH , @briankwest http://www.freeswitchbook.com
>>> <http://www.freeswitchbook.com/> 
>>> http://www.freeswitchcookbook.com
>>> <http://www.freeswitchcookbook.com/>
>>> 
>>> T: +1.918.420.9001 <tel:%2B1.918.420.9001>  |  F:
>>> +1.918.420.9002 <tel:%2B1.918.420.9002>  |  M: +1.918.424.WEST 
>>> iNUM: +883 5100 1420 9001 <tel:%2B883%205100%201420%209001> ISN:
>>> 410*543 Skype:briankwest PGP Key: http://www.bkw.org/key.txt
>>> (AB93356707C76CED)
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> On Feb 22, 2014, at 7:36 AM, Bogdan-Andrei Iancu 
>>> <bogdan at opensips.org <mailto:bogdan at opensips.org>> wrote:
>>> 
>>>> Hey Norman,
>>>> 
>>>> That is possible but not sufficient as: - any party in the call
>>>> may hangup the call, so BYE may come
>>> to FS (versus being generated by FS) - but I guess you can add
>>> the header to the 200 OK BYE too
>>>> - relying on the BYEs (calls) OpenSIPS will not be able to
>>> get a continuous information on the load - if there are no
>>> calls, no new updates on the load are received by OS - this may
>>> be a major problem if one FS instance is used by multiple OS
>>> balancers (or handles call from any other parties).
>>>> 
>>>> Currently we are looking into fetching the load information
>>> directly via FS APIs.
>>>> 
>>>> Regards, Bogdan-Andrei Iancu OpenSIPS Founder and Developer
>>>> 
>>>> http://www.opensips-solutions.com
>>> <http://www.opensips-solutions.com/>
>>> 
>>> 
>>> _________________________________________________________________________
>>> 
>>> 
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>>>  
>>>  </>
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>>> 
>>> 
>>> 
>>> -- Sincerely
>>> 
>>> Jay 
>>> _________________________________________________________________________
>>> 
>>> 
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>> 
>> 
>> 
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