On May 15, 2007, at 2:15 PM, Matthew Fredrickson wrote:
>
> On May 15, 2007, at 3:38 AM, sai jayram AKV wrote:
>
>> hi.
>>
>> There is a mistake in isup_send_message function of
isup.c
>>
>> rl.sls is assigned sls_next(ss7), assuming there
are 16 signaling
>> links amd sls in incrementsd one after other.
>>
>> There will be a problem if the number of signaling
links are less
>> than 16.
>>
>> sls_next may be modified so that 16 is replaced by
numlinks.
>
> I have seen many different possible ways of doing this.
I have not
> seen a good answer yet for how this works. It Q.763,
it says in the
> spec under section 1.1 (routing label) that the
"SLS bits are set to
> the four least significant bits of the CIC". Can
you point to a
> specification or document that can verify your
recommendation?
>
> It is not exactly correct the way it is written right
now. For ANSI
> networks, it doesn't do SLS balancing properly across
all possible
> values, and for ITU, it maybe that it need be changed
to follow what
> the ITU recommendation says, instead of the cross
ANSI/ITU mix I have
> currently.
For what it is worth, after doing a little bit of research,
I updated
it (for ITU SS7) to be in accordance with the specifications
(using the
least four significant bits of the CIC) until I hear
something else.
Matthew Fredrickson
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