rfc2329 may help you.
Parameter Responses Min Mode Mean Max
_________________________________________________________________
Max routers in domain 8 20 350 510 1000
Max routers in single area 8 20 100 160 350
Max areas in domain 7 1 15 23 60
Max AS-external-LSAs 6 50 1K 2K 5K
Table 3: OSPF domain sizes deployed
On Thu, Jan 25, 2001 at 08:35:15AM -0600, David Wang wrote:
> Hi,
>
> I have a question about the size of the IS-IS and OSPF area. What is the
> guidelines in setting up the IS-IS or OSPF area? How many routers an area
> can have? What are the key facts to determine how many routers an area can
> have? router memory size? router interface bandwidth? or some other facts?
> Is there any quantitative relationship among various parameters?
>
> Thank you for your help!
>
> David
