Re: AS, RK , RC concepts in SE model

"Brian F. G. Bidulock" <[email protected]>
Newsgroups gmane.ietf.sigtran
Organization http://www.openss7.org/
Message-ID <[email protected]>
Ilie,

For SE AS1==AS2 (and RK1==RK2).

For DE AS1!=AS2 (and RK1!=RK2).

You need double the AS, RC and RKs in DE as you do in SE.

Because they can't relay, IPSPs only need 1 AS betwixt them.

--brian

Ilie Glib wrote:                              (Tue, 06 Dec 2005 11:40:47)
> Hello Folks,
> 
> According to the current definition of AS and RK there is 1:1
> relationship between them. The AS is an Application Server that
> process traffic routed according to the routing key, that is it
> process traffic that comes from unidirectional signalling relations,
> it does not process traffic that goes in the opposite direction, it
> generates traffic in the opposite direction.
> 
> For example
> The RK1=(OPC=2-200, DPC=2-100) is different from RK2=(OPC=2-100,
> DPC=2-200). Each RK defines its own AS, in this case AS1, which
> corresponds to RK1, sits in 2-200 signalling point and AS2, which
> corresponds to RK2, is in 2-100, and each AS has its own RK.
> 
> Could you please clarify
> 
> Q1: What is correct 1) or 2)
> 1) In the described above configuration it is one AS = AS1=AS2, or otherwise
> 2) AS1 and AS2 are different ASes
> 
> I assume 2) is correct. Then Routing Context RC1 corresponding to RK1
> is assigned in AS2 and Routing Context RC2 corresponding to RK2 is
> assigned in AS1. RC1 and RC2 are different but may be the same by
> chance.
> 
> Routing Context parameter is mandatory in SUA traffic messages.
> 
> In case of SE model could you please clarify
> 
> Q2: What Routing Context values will be used in traffic messages
> between AS1 and AS2?
> Q3: Does it depend on the direction of the message?
> 
> Q4: When RC1 is used and when RC2?
> 
> Q5: what RC shall be used by response messages?
> 
> 
> Thank you in advance
> 
> Ilie
> 
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-- 
Brian F. G. Bidulock
[email protected]
http://www.openss7.org/
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