Re: M3UA: Routing Key and Network Appearance?

Dario,

pardon me, but please could you help me understand what was the
question originally posted?

Regards

/Ilie

On 1/10/07, Dario Filjar <[email protected]> wrote:
> Hi Tolga,
> perhaps there is no problem with NA? - have a look at the question
> originally posted.
> Thanks.
> Kind regards, Dario
>
>
> Tolga Asveren <[email protected]> wrote:
> Hi Ilie,
>
> What problems are there with NA in M3UA? AFAIK, there aren't any.
>
> Thanks,
> Tolga
>
> > -----Original Message-----
> > From: Ilie Glib [mailto:[email protected]]
> > Sent: Wednesday, January 10, 2007 6:16 AM
> > To: Dario Filjar
> > Cc: [email protected]
> > Subject: Re: [Sigtran] M3UA: Routing Key and Network Appearance?
> >
> >
> > Hello Dario,
> >
> > Well, in order to not have problems with NA, I suggest you use SUA,
> > since it does not allow sending NA parameter in its messages, except
> > for ERROR and RKMM. Network Context is determined by RC values. Thus,
> > there is no NA related problems in SUA.
> >
> > But M3UA is more mature than SUA, therefore, I believe, SUA has much
> > more problems than M3UA.
> >
> > Regards
> >
> > /Ilie
> >
> > On 1/4/07, Dario Filjar wrote:
> > > Hi,
> > > I have some difficulties to understand the relation between
> > Routing Key and
> > > Network Appearance.
> > >
> > > At first, it seems that one AS belongs to single network only.
> > > This opinion is supported by the following statements from the RFC4666:
> > >
> > > (section 1.2):
> > > Routing Key: ....."Parameters within the Routing Key cannot
> > extend across
> > > more than a single Signalling Point Management Cluster".
> > >
> > > Signalling Point Management Cluster: the complete set of
> > Application Servers
> > > represented to the SS7 network under a single MTP entity
> > (Signalling Point)
> > > in one specific Network Appearance."
> > >
> > > (section 3.7.1.)
> > > Routing Context: ...."There is one-to-one relationship between an index
> > > entry and an SGP Routing Key or AS Name. Because an AS can only
> > appear in
> > > one Network Appearance, the Network Appearance parameter is not
> > required in
> > > ASP Active message"
> > >
> > >
> > > However some statement support the opposite, that is, AS (represented by
> > > Routing Key) in more than one Network Appearance:
> > >
> > > (section 3.6.1.)
> > > Network Appearance: ...."If the Network Appearance is not
> > specified and the
> > > Routing Key applies to all Network Appearances, then this
> > Routing Key MUST
> > > be the only one registered for the association; that is,
> > Routing Context is
> > > implied and DATA and SSNM messages are discriminated on Network
> > Appearance
> > > rather than on Routing Context"
> > >
> > > Here it is explicitly stated that RK can apply to more than one Network
> > > Appearance.
> > >
> > > There is another statement which not only supports the
> > AS-in-multiple-NAs
> > > theory, but also possibly (does it?) supports idea of having
> > multiple SCTP
> > > Associations between SG and ASP:
> > >
> > > (section 3.3.1)
> > > Network Appearance: ...."Where an SG operates in the context of
> > a single SS7
> > > network, or if individual SCTP associations are dedicated to each SS7
> > > network
> > > Context, the Network Appearance is not required"
> > >
> > > Can you please comment on that?
> > > Thanks!
> > > Kind regards,
> > > Dario
> > >
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> > >
> >
> >
> > --
> > Ilie
> >
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>
>
>
>
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-- 
Ilie