Re: NSFNET woe: causes and consequences


Mills@UDEL.EDU
Thu, 8 Oct 87 20:23:06 EDT


Ken,

Thanks very much for your thoughtful and informative response. Like you,
I do believe the proximate cause of the psc-gw problems is running
short of virtual-circuit resources in the X25 interface; however, I am
a little worried about the workaround you suggest - shortening the
idle timer in the PSN itself. I have verified that packets do get
lost if traffic is flowing at the time of the VC clear due to the
interface itself, even in loopback. I think the eventual resolution
must be rebuilding the driver to reclaim VCs on the basis of time and
use, much the same way the PSNs must handle that for themselves.

Dave



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