Re:Re: Variable BW link?

[Tom Henderson <tomh@CS.Berkeley.EDU>]

There appears to be some mechanism in place to kill off packets in
transit.  The link must be dynamic-- see LinkDelay::reset().


On Mon, 12 Apr 1999, Lloyd Wood wrote:

> This is the sort of thing I've been worrying about for some time in
> other cases as well - what happens to (wireless, say) packets in
> flight when the end of a link that has sent them fails?
> 
> (This can be thought of as equivalent to decreasing link bandwidth to
> zero; you drop the link rather than an end, which isn't realistic -
> this gruntle probably comes under network dynamics in ch. 17.4.) 
> 
> Simply dropping a link to see how a multicast tree changes in a
> satellite network effectively violates causality for my simulations...
>