[MLB-WIRELESS] [TECH] Dipole antennas, and melbwireless structure

[Jon]

Kim Hawtin wrote:

> O
> > > matter of parameters - ie. shorter timeouts, more re-tries, etc
> > > - for a mobile protocol.
> > Yep, but there's scaling issues if we have to to a route-update
> > across the network, for the whole network every second to keep
> > track of nodes....
>
> TCP/UDP/IP was not really meant to deal with this ... but,
>

Yeah, I think its more a link-layer problem.
Though of course they have to map to each other.


>
> even mobile type protocols that would deal with this are things like
> MANET or MobileMesh ...
>
> to fiften seconds, the a link down... the routing deamon will not
> export the route further, because it could be considered to be
> flapping... =/
>

Flapping detection is fairly easy too, yay!


> now if you push up the output power and range of the fixed nodes
> that offer connection, such that the time your in the 'zone' is
> larger, then the time your 'online' with a particular fixed node,
> then your much more likely to get a sensible connection ...
>
> this is the main reason that mobile phones as we know them, work.
> its a trade off between, a large enough area, not too much power so
> that the base station can still 'hear' the mobile phones ....
>

Dont forget caching too, a "cell" processor can remember who it was recently
talking to for optimisation purposes - not so useful for mobile phones (which
are likely to just keep going down the road), but begins to look important
for high-outage networks.

Woops, that's starting to look like waffle, I'll shut up now  %-]


Cheers!


Jon



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