[SR-Users] multidomain: running multiple kamailio on one host

[MÉSZÁROS Mihály]

Hi,

I don't get any reply til yet, after i detailed the problem.
Was my problem description not clear enough, or you agree with me.

I need a confirmation that i am not wrong and this problem can't be 
solved with the current multidomain implementation.
Alex, Jiri please state if you agree or disagree with me.
And if i am wrong, then please point out where i am wrong.

Many Thanks!

Misi

2010-11-05 18:19 keltezéssel, MÉSZÁROS Mihály írta:
> 2010-11-05 09:31 keltezéssel, Alex Balashov írta:
>> On 11/05/2010 04:10 AM, MÉSZÁROS Mihály wrote:
>>> Hello all!
>>>
>>> Is there any known problem to run multiple kamailio/sip-router instance
>>> in one host.
>>> I need this to handle multidomain situation.
>>>
>>> The multidomain what is built in is not satisfactory, because the UA-s
>>> what are from varying vendors.
>>> And some has strange or a very limited SIP implementation.
>>> Some can only register ip address, some can use RFC3263, but some can
>>> use only DNS A record. :(
>>>
>>> Any answer, suggestion appreciated very well!
>>
>> I still don't see why handling multiple domains in a single instance 
>> would be a problem.
>>
> I will try to explain where i saw the problem.
> Of course it can be that i am wrong, so AFAIK ..
>
>
> If there is domain atlanta.test with with such a DNS.
>
> $TTL    60
> $ORIGIN atlanta.test.
> @       IN      SOA     a1.atlanta.test. root.a1.atlanta.test. (
>                      2009071301         ; Serial
>                          604800         ; Refresh
>                           86400         ; Retry
>                         2419200         ; Expire
>                          604800 )       ; Negative Cache TTL
> ;
> @               IN      NS      a1
> @               IN      NS      a2
> a1              IN      A       192.168.0.1
> a2              IN      A       192.168.0.2
> ;;                              order   pref    flags   service        
> regexp replacement
> @               IN      NAPTR   10      10      "s"     "SIPS+D2T"     
> ""     _sips._tcp
> @               IN      NAPTR   20      10      "s"     "SIP+D2T"      
> ""     _sip._tcp
> @               IN      NAPTR   30      10      "s"     "SIP+D2U"      
> ""     _sip._udp
> ;;                              Priority        Weight  Port    Target
> _sips._tcp      IN      SRV     10              0       5061    a1
> _sips._tcp      IN      SRV     20              0       5061    a2
> _sip._tcp       IN      SRV     10              0       5060    a1
> _sip._tcp       IN      SRV     20              0       5060    a2
> _sip._udp       IN      SRV     10              0       5060    a1
> _sip._udp       IN      SRV     20              0       5060    a2
>
>     * UA type1
>       It is implementing RFC3263 correctly. (Very rare such a good
>       implementation.)
>       so it will send a register
>       REGISTER atlanta.test
>       To:alice at atalnta.test
>           o Correctly this client will use the proxy preference and in
>             best case use tcp + tls.
>     * UA2
>       It is implementing only dns A record support.
>       so it will send a register
>       REGISTER a1.atlanta.test
>       To: alice at a1.atlanta.test
>     * UA3
>       It is a strange UA resolves everything to ip address.
>       so it will send the register
>       REGISTER 192.168.0.1
>       To: alice at 192.168.0.1
>     * UA4
>       Maybe there are more case, and can be continued. But till now i
>       faced only to the above three cases.
>
>
> Where i saw the problem with kamailio multidomain setup (AFAIK):
> I want to use the three as one "sip routing domain" or i don't know 
> how to name it correctly.
> When it saves the AoR <=> Contact bindings to location database 
> (mysql), the registrar will create and save the contacts to three 
> separated domain according to the above three UA behavior:
>
>     * atlanta.test
>     * a1.atlanta.test
>     * 192.168.0.1
>
> So i must add three times the user in subscriber table for the three 
> domain, to allow the user alice to authenticate from any UA.
> And i will have three domain in location database for only one "sip 
> routing domain".
>
> So if i want to have a second domain, called biloxi.test with similar 
> setup, on the same host where atlanta.test is,
> then i get bigger mess. And i have six domain...
> I hope you see where i have a problem.
> And AFAIK i can't set to registrar function save() the domain, if i 
> use database backend.
>
> Highly appreciated if You can suggest a solution for this.
> It will be nice if you, or anyone can suggest some solution to this 
> problem.
>
> Many Thanks!
>
> Cheers,
> Misi
>
>
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