RE: [manet] AODV Question

[Jitesh Shah <jiteshshahin@yahoo.com>]

Hi,

It depends on how you see the network. If you are
refering to a network which has a CHAIN topology then
the byte used for RREP and RREQ might be way
insignificant. But when you refer to a well connected
network then the byte seems sufficient.

Rgds
Jitesh

 --- Robert Cain <manet@ulfius.com> wrote: >
Connectivity is the number of other nodes each node
> can reach with 1 hop.
> Therefore a connectivity of 10 means there is 10
> nodes that a can reach
> directly. Obviously in an actual network this would
> vary from node to node.
> 
> 
> Rob Cain :-)
> 
> 
> >What does the connectivity parameter specify?  Is
> it saying in 100,000
> nodes only 10 nodes would be connected?
> >
> >-----Original Message-----
> >From: Robert Cain [mailto:tgm@ulfius.com]
> >Sent: Wednesday, November 12, 2003 11:13 AM
> >To: DANIEL BYRNE
> >Subject: Re: [manet] AODV Question
> >
> >
> >1 byte seems OK to me.
> >
> >With some simple analysis assuming a circular
> homogeneous network of node
> >count K and a reasonable connectivity C then the
> radius of the network in
> >hops can be derived to be the square root of K/C.
> Which for a network size
> >of 100,000 and a connectivity of 10 gives a hop
> count radius of 100.
> Seeing
> >as a network of size 100,000 will be probably at
> practical limits of size
> >due to performance degradation then I think 1 byte
> may well be enough.
> >
> >hope that helps :-)
> >
> >Rob Cain
> >
> >>if the 
> >>
> >>"AODV routing protocol is designed for mobile ad
> hoc networks
> >>   with populations of tens to thousands of mobile
> nodes"
> >>
> >>why is the HopCount limited to only a BYTE?  This
> effectively limits the
> >number of hops to 255.  Why not expand the hop
> count to two bytes into the
> >reseved region of the RREQ packet.  Something
> similar could be done with
> >the RREP packet as well.
> >>
> >>
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> >
> 
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