[rbridge] TTL only - was RE: New fields in shim header?

[Dale W. Carder]

On Oct 13, 2006, at 11:42 AM, Gray, Eric wrote:
> Do you have a real deployment example in which an enterprise
> would not use firewalls and/or routers to protect an entire
> LAN but would use bridges to protect portions of it?

Sure, RFC 3069 and "private vlans"[1] are both tools that the
operator community uses for this functionality.  Metro ethernet
ISP's are also included in the problem space that trill addresses.

Dale

[1] http://www.ietf.org/internet-drafts/draft-sanjib-private-vlan-05.txt