The MPLS WG Archive

[Shahram Davari <Shahram_Davari@pmc-sierra.com>]

Could you please explain more, why do you think that TCP connection may be dropped.

> -----Original Message-----
> From: Pour, Mort [mailto:mpour@celoxnetworks.com]
> Sent: Thursday, June 28, 2001 11:39 AM
> To: 'mpls@uu.net'
> Subject: RE: 1+1 protection switching
> 
> 
> Thanks,
> But this may also cause the connection to be dropped by TCP?
> 
> Regards,
> Mort
> 
> 
> -----Original Message-----
> From: Shahram Davari [mailto:Shahram_Davari@pmc-sierra.com]
> Sent: Thursday, June 28, 2001 10:36 AM
> To: 'Pour, Mort'; 'mpls@uu.net'
> Subject: RE: 1+1 protection switching
> 
> 
> Hi,
> 
> I think it is understood/accepted that a number of packets 
> may be dropped or
> deliver out of order for a short period of time. The receiver should
> re-order the packets and/or request retransmission.  
> 
> Yours,
> -Shahram
> 
> > -----Original Message-----
> > From: Pour, Mort [mailto:mpour@celoxnetworks.com]
> > Sent: Thursday, June 28, 2001 10:57 AM
> > To: 'mpls@uu.net'
> > Subject: 1+1 protection switching
> > 
> > 
> > 
> > I have a question regarding the 1+1 protection switching in MPLS. 
> > Draft <draft-ietf-mpls-recovery-frmwrk-02.txt>
> > states that the path merge LSR can select the backup path 
> > when the primary
> > path fails.
> > What about the issues of duplicate (or missing) packets on 
> > the backup path
> > due
> > to variations in delay between the two path. Or if the two path are
> > synchronized, how is that achieved?
> > 
> > Thanks
> > Mort Pour
> > 
>