Re: CIC as a RK

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

If you want to limit ASP state sharing while doing load sharing in
ANSI networks with insulation of failures involving a differing number
of STP hops (which effectively never occurs for ISUP, does for TCAP,
but not for ISUP), use the 5 or 8 low order bits of the CIC used to
select the original SLS value instead of the received (rotated) SLS.
The current loadsharing scheme permits this.  One does not need CIC RK
to do this.

--brian

Brian F. G. Bidulock wrote:                                       (Thu, 09 Nov 2006 10:13:37)
> Haresign,
> 
> Haresign Lincoln wrote:                                           (Thu, 09 Nov 2006 11:54:17)
> > Brian,
> > 
> > Below you say that we could use SLS for loadsharing purposes.  Perhaps
> > I'm missing something, but these seems quite insuffient because:
> > 
> > 1) That limits us to 16 values.
> 
> In ITU networks, yes.  But that does not seem to hamper SS7.  If you need
> more than 16 ASPs serving an AS, you probably need to design bigger ASPs.
> 
> > 2) The SLS value for a call could change during the length of the call.
> 
> Yes, but that affects neither sequencing nor equal distribution
> for loadsharing.
> 
> --brian
> 
> -- 
> Brian F. G. Bidulock
> [email protected]
> http://www.openss7.org/
> 
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-- 
Brian F. G. Bidulock
[email protected]
http://www.openss7.org/
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