Re: SUA: Regarding AS Pending Buffer Handling when Tt(r) expires

santhanakrishnan,

I don't see a contradiction: section 1.5.1 _is_ an "other alternative"
to simple discard in section 4.3.2.

--brian

santhanakrishnan wrote:                         (Wed, 08 Feb 2006 19:39:51)
> 
>    Hello all,
> 
> 
>    In  RFC 3868 the sections 1.5.1 and 4.3.2 looks like contradicting for
>    the  Handling  of  buffered messages at SGP for an AS when Tt(r) timer
>    (Pending timer) expires.
> 
> 
>    Sec  1.5.1 Says:  The SGP will buffer the message destined for this AS
>    for  a  time  Tt(r)  or  until  an  ASP becomes available. When no ASP
>    becomes  available  before  expiry  of  Tt(r),  the SGP will flush the
>    buffered  messages  and  initiate  the  appropriate  return or refusal
>    procedures.
> 
> 
>                  This   means   that   when  AS  moves  from  Pending  to
>    Inactive/Down  after  Tt(r)  expiry,  then  the  buffered messages are
>    HANDLED. Appropriate return, refusal procedures are initiated.
> 
> 
>    Section 4.3.2 Says:  If T(r) expires before an ASP becomes ASP-ACTIVE,
>    and  the  SGP  has  no  other  alternative,  the  SGP may stop queuing
>    messages  and discard all previously queued messages. The AS will move
>    to the AS-INACTIVE state if at least one ASP is in ASP-INACTIVE state,
>    otherwise it will move to AS-DOWN state.
> 
> 
>                  This   means   that   when  AS  moves  from  Pending  to
>    Inactive/Down  after  Tt(r)  expiry, then the buffered messages at SGP
>    may be DISCARDED.
> 
> 
>    Which of these should be followed as per the RFC? Does the RFC enforce
>    on any of these statements?
> 
> 
>    regards,
> 
>    -Santhanakrishnan

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-- 
Brian F. G. Bidulock
[email protected]
http://www.openss7.org/