[Sunhelp] Fwd: TCP.IP Question

[mike mangino]

> I am not sure about this question:
> 
> Scenario:
> 
> There are two computers A and B.
> 
> A sends a packet to B for which it expects an acknowledgement.
> 
> B has received the packet.
> 
> B sends a positive acknowledgement.
> 
> But, the flag bit which is supposed to be 1 for Positive ack. becomes 0 due
> to some link problems such as attenuation.
> 
> In this case, A has to resend the packet.
> 
> Now, What will happen to B? I have been told the system B has chances of
> having a network crash. Why?

This sounds like a homework problem. B says I already have that packet and re-acks it.


> 
> Can someone help me on this?
> 
> Sriram
> 
> 
> 
> 
> 
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-- 
Mike Mangino                   Senior Programmer/Analyst
mangino at cis.ohio-state.edu     manginom at oclc.org
Home: (614) 326-2278           Work: (614) 764-6280