RE: # of Signalling Processes

Hi Ilie,

 

There is no restriction by any of the sigtran RFC on th number of ASP,
AS, SG or SGP supports, so any SIGTRAN signalling entity can have any
number of AS/ASP per SG/SGP or reverse till it does not break the
theoretical limit I mean ASP ID is coded as 4 BYTE in many messages so
until unless we are able to support it is acceptable from RFC point of
view. 

 

The problem of the interoperability, I don't see any issue in that can
you please specify what type of issue you visualize in the
interoperability when using different number of redundant processes. 

 

Thanks,

Salil

 

 

________________________________

From: Ilie Glib [mailto:[email protected]] 
Sent: Wednesday, May 09, 2007 4:16 PM
To: sigtran
Subject: [Sigtran] # of Signalling Processes

 

Hello Folks,

SIGTRAN protocols provide support for systems redundancy and scalability
by implementing the concept of signalling processes (SGP, ASP, IPSP) and
TMT.

Could you please share your view on the minimum number of signalling
processes per logical entity (AS or SG) that the SIGTRAN signalling
processes MUST support. 

I am after answers to very simple questions like

1. How many SGPs shall a standard ASP support per SG? 
2. How many SGs shall a standard ASP support per SS7 destination? 
3. How many ASPs shall an SGP/SG support per AS? 
4. How many remote signaling processes per logical entity (SG/AS) have
to be supported to comply with SIGTRAN RFCs?

I would expect that SIGTRAN RFCs provide answers to the questions above.
However, to my knowledge, none of the RFCs puts any limit on the number
of redundant signalling processes. In my view this may result in
interoperability problems and traffic disturbances. 

5. What are the corresponding capabilities of products from main market
players?

These questions make sense almost for all user adaptation layers and
traffic mode types.


Thank you in advance for your help 

-- 
Ilie

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