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Re: [ns] Difference between two simplex-links and one duplex-link?


On Tue, 8 Aug 2000, Pan Li wrote:

> Hi all:
>      I want to create a congestion link between node1 and node2.
> Data(TCP connections) are send from
> node1 to node2.
> One way is:
> $ns simplex-link $n1 $n2 1.5Mb 10ms DropTail
> $ns simplex-link $n2 $n1 1.5Mb 10ms DropTail
> Another way is:
> $ns duplex-link $n1 $n2 1.5Mb 10ms DropTail

a duplex-link is a container for 2 simplex-links, tcl/lib/ns-link.tcl

> I don't know the difference between them. I wonder that the ACK packets
> will intefere
> the transmission of data packets from $n1 to $2 in the duplex-link mode.
> 
> Thank you.
> 
Tarik.