On 22 Dec 2000, Derek Atkins wrote:
> > I also thought they introduced considerable latency: viz, having to
> > look up a service on one port number, (using udp, no less), and then
> > another, and then yet another lookup, just to find the service.
>
> Not exactly. If you do use portmap (which I wouldn't ;) then yes, you
> have one extra round trip to ask the portmap on the remote machine
> what port a particular service is. So you only have one extra round
> trip, not two.
And if you're worried about a single extra packet round trip at connection
setup time, TCP is *right* out - it uses a *three way* handshake!
ABS
--
Alaric B. Snell
http://www.alaric-snell.com/ http://RFC.net/ http://www.warhead.org.uk/
Any sufficiently advanced technology can be emulated in software
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