Re: Boo - NetMeeting

"Rabbit" <Rabbit_is@xxxxxxxxxxx> wrote in message
news:3lq90bF13q8eqU1@xxxxxxxxxxxxxxxxx
> "pmj" <post@xxxxxxxxxxxxxxxxxxxxx> wrote in message
> news:YTRJe.85061$G8.63453@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
>> All she had to do with the Router was Set it to Forward the
>> *Incoming* NetMeeting Call Request to the laptop, rather than the
>> desktop.
>>
>> That's what Routers do!!!
>> :-)
>
> Oh I live and learn :-p
>
>> She can obviously make *Outgoing* NetMeeting Call Requests from
>> either of them, through the Router, but to be able to get *Incoming*
>> Call Requests, the Router has to be Set to Route (geddit?<g>)
>> the Requests to the PC (Laptop or DeskTop) that can answer them.
>
> So are you saying that if I have the desk top and the laptop in use
> and both with net meeting running and somebody calls me on Net Meeting
> only one of them will pick it up ?

Basically, yes!

Think about it...

How else could it work?

How would the Router (which is the bit that is actually Connected
(via the Public IP Address) to the Internet) know *which* of the
Machines on the *Internal* Network the Incoming thing is destined for?

>... And that I've got to preset which one ?

Yep, basically.

>... So I can't just take the laptop outside and get an incoming call
> on Net Meeting ?

Yes, you can, so long as you have told your Router to Route the
Incoming Call Requests to it.

You can make *Outgoing* Call Requests from either of them, with no
Settings needing to be changed, it's only the *incoming* Call Requests
that need to be Routed through to the relevant Machine on your
(Internal) Network.

>... Does the same thing happen then if the desktop is off and I'm
> using the laptop only ?

Yes.

It *might* be possible (on *some* Routers to sort of "Spray" (for want
of a better word!) the Incoming stuff round to all the PCs on the
Internal network & then for just one of them to be able to Handle it,
but I don't see how that can really be done in any sort of reliable way.

The whole point of the TCP/IP Protocol (the TCP bit stands for
Transmission *Control* Protocol) is that it's a *Routed* Protocol -
it needs a Source Address & a Destination Address to be able to get
through (& for the Sending thing to *know* that it has got through)

Other Protocols, such as MultiCast & UDP - User Datagram Protocol -
*don't* need to have an Acknowledgement that the Packets have
actually reached the Destination, so they work differently, but they
are therefore less reliable.

HTH

--
pmj


.

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