Hi all,
I just want to ask what does MaxHelloInterval and MinHelloInterval
really menas and do in aodv code?
It really puzzlaes me thuis code in aodv.cc from line 166 to 173:
void HelloTimer::handle(Event*) { agent->sendHello(); double
interval = MinHelloInterval + ((MaxHelloInterval -
MinHelloInterval) * Random::uniform()); assert(interval >= 0);
Scheduler::instance().schedule(this, &intr, interval); }
why the value for hello timer (i assume that's hello message
interval) is equal to MinHelloInterval +
((MaxHelloInterval - MinHelloInterval) * Random::uniform());
for the old version of ns2 (version 2.1x), it does not have these
MaxHelloInterval and MinHelloInterval
should it be as simple as HELLO_INTERVAL x ALLOWED_HELLO_LOSS?
it's defined in aodv.h from line 119 to 123:
#define HELLO_INTERVAL 1 // 1000 ms #define
ALLOWED_HELLO_LOSS 3 // packets #define
BAD_LINK_LIFETIME 3 // 3000 ms #define
MaxHelloInterval (1.25 * HELLO_INTERVAL) #define
MinHelloInterval (0.75 * HELLO_INTERVAL)
i'm not quite understand what does this MaxHelloInterval and
MinHelloInterval do, if anyone can explain to me, it will be much
appreciated..
I also have tried simulation with both AODV-LL and AODV-HELLO, and
seems that the performance is quite match (AODV-LL is better by maybe
0.1 % for high mobility scenario), for me it does not make any
sense...
is something wrong with the AODV ns-2.34 code?
