[c-nsp] IS-IS question

[sthaug at nethelp.no]

> What I view as main advantage over OSPF
>  - does not use IP (harder to attack)
>  - no need to carry link IPs in IGP (lean and mean IGP is your best friend)
>  - TLV's, very clean, very extensible
>  - seems to get provider desired features first
>  - probably better tested in large-scale provider backbones

- handles IPv6 without problems

> What I view as main disadvantage over OSPF
>  - does not use IP (harder to protect, if needed to)
>  - availability in lower-end gear

Lack of availability in lower-end (and other) gear could actually be
an advantage in some cases - it provides a "natural barrier" against
connecting all sorts of weird/wonderful/old boxes to your backbone.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no