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Re: Errormodule
On Tue, 08 Dec 1998 13:37:44 +0100, Jonas Haggard Ljungquist wrote:
>I have just finished a small module to read errors from a trace.
>I read the status of the link at the time the packet arrives to
>the error module. It's pretty simple, but when using the module
>I realized that when inserting an ErrorModel on a link it is done
>before the actual link-module (in my case delaylink), according to gen-map.
>Since it is added before the actual transmission delay all packets
>within an allowed TCP window will arrive at the errormodule at the
>same time and will hence get treated the same way (if the errormodel
>is based on a running clock). I guess this mainly shows when using large
>windows and ack-filtering.
Sounds like you want to apply your errors after queueing delay. You
should be able to do this by reordering the objects that make up your
link. There isn't explicit documentation about this in nN&D (at least
from my ghostview browse), but the subject of chapter 5 should provide
some guidance.
-John Heidemann