RE: [ns] Max MTU not 1500Bytes ... why ?

[Michael Welzl <michael@tk.uni-linz.ac.at>]

> > I'm a bit confused about Max MTU. In real world, the MTU is 
> supposed to be
> > set at 1500 for Ethernet.
> >
> > In NS, if i try and send a paquet over 1000bytes big, it 
> will be fragmented
> > ... Why is that ?
> 
> because packetSize_ on the sending agent is set by default to 1000
> bytes, so applications sending larger amounts of data cause more than
> one packet to be sent.
> 
> $tcp0 set packetSize_ 1500
> 
> etc. Note that header overhead isn't simulated...

But actual fragmentation (not IPv6-style, by the sending host, but
by intermediate nodes) isn't implemented in ns, is it?
Has anyone ever considered implementing it?

Cheers,
Michael