RE: M3UA: Routing Key and Network Appearance?

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 <[email protected]> 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
> >
> > __________________________________________________
> > Do You Yahoo!?
> > Tired of spam? Yahoo! Mail has the best spam protection around
> > http://mail.yahoo.com
> > _______________________________________________
> > Sigtran mailing list
> > [email protected]
> > https://www1.ietf.org/mailman/listinfo/sigtran
> >
> >
> >
>
>
> --
> Ilie
>
> _______________________________________________
> Sigtran mailing list
> [email protected]
> https://www1.ietf.org/mailman/listinfo/sigtran