> What was/is the largest production network (in number of end nodes) that
> used/uses RIP as the IGP?
Xerox routed a few thousand subnets of 13/8 with RIP (v1!) as late as 1998.
Dunno if that's large enough.
Bill
Its pretty big. Most of the data is not verifiable, but
a profile of 100-10,000 subnets, between 5-2000 nodes per subnet
w/ RIPv1 seems to be emerging for sites like Xerox as well
as old NSFnet regionals.
On the other hand, reports of large, multinational networks
running static routing in their cores seem to indicate a
desire to have routing in the core more stable than any dynamic
protocol will allow.
With the growth in the number of injected prefixes and varient
paths, one might say that the "value proposition" of dynamic
routing is not what it once was... Or it could be that the
folks running the big networks are more comfortable with
manual/static routing systems? Such environments certainly
provide easier means to set enforcable service level agreements.
But my muse has gotten the better of me.
On the other hand, reports of large, multinational networks
running static routing in their cores seem to indicate a
desire to have routing in the core more stable than any dynamic
protocol will allow.
Or lack of sufficient clue in their IT departments to implement
anything but static routing (sadly, very often the case in my
experience). Which of course is preferable to the four-router
thirty-route OSPF "designs" I have seen that put each router in its
own area (!).
>
> > What was/is the largest production network (in number of end nodes) that
> > used/uses RIP as the IGP?
>
> Xerox routed a few thousand subnets of 13/8 with RIP (v1!) as late as 1998.
> Dunno if that's large enough.
>
Bill it was like this in 2000 still ,then they went EIGRP. I dont know about the
core but it makes one scary EIGRP network no areas !!!!!!. But the EIGRP
seems very stable touch wood.
Mind you I rember Luc De Ghein in the Cisco TAC saying that none
of the ISP's he works with have more than one ISIS area. I am hopping
this has changed.
Regards,
Kevin
> Bill
>
Its pretty big. Most of the data is not verifiable, but
a profile of 100-10,000 subnets, between 5-2000 nodes per subnet
w/ RIPv1 seems to be emerging for sites like Xerox as well
as old NSFnet regionals.
On the other hand, reports of large, multinational networks
running static routing in their cores seem to indicate a
desire to have routing in the core more stable than any dynamic
protocol will allow.
With the growth in the number of injected prefixes and varient
paths, one might say that the "value proposition" of dynamic
routing is not what it once was... Or it could be that the
folks running the big networks are more comfortable with
manual/static routing systems? Such environments certainly
provide easier means to set enforcable service level agreements.
But my muse has gotten the better of me.
--bill
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