With new & emerging technologies like (Gig Eth, 10 Gig Eth, e.t.c), I am
beggining to wonder how scalable or well suited today's routing protocols
(OSPF, IGRP, EIGRP, e.tc. ) are to manage them effectively.
I stubled across something while reading about delay calculations on a IGRP
/ EIGRP network... maybe you guys can help..
The bandwith component of a metric is calculated by dividing 10,000,000 by
bandwith in Kbps.
Eth = 10,000,000 / 10,000 = 1000
Fast Eth = 10,000,000 / 100,000 = 100
Gig Eth = 10,000,000 / 1,000,000 = 10
10 Gig Eth = 10,000,000 / 10,000,000 = 1
New Fangled Eth (not yet invented) = 10,000,000 / 100,000,000 = 0.1
As you can see delay will be calculated in thousands of microseconds and we
end up getting fractional numbers...... I highly doubt IOS can use
fractional numbers to calulate delay...... Are todays's routers capable of
making such calculations with an easy IOS upgrade....
Thanks,
Santosh Koshy
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