[CAnet - news] Routing Integrity in the world of optical switched circuits

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 [This is an excellent presentation on the issues of IP addressing, routing
and firewalls when working with optical switched circuits and bandwidth on
demand.  The routing and addressing issues are one of the many reasons why I
don't believe in bandwidth on demand or switched optical circuits (remember
ATM?). It gets even more complicated when you are trying to establish a
number of circuits with a complex topology linking servers, databases and
systems spanning many continents. Add in call blocking and long setup times
and it makes circuit switching if any kind problematic at best. As I have
long stated I believe the value of optical networks is that easily allow
users to be allocated network resources to create their long duration IP
routed network which enables them to do their own traffic engineering
optimized for their community or application spanning multiple network
domain (hence UCLP). Switching of optical circuits is easy, but getting the
addressing, firewall and routing right is very hard and cannot be done in
micro-seconds -- BSA]



http://www.terena.nl/events/tnc2006/programme/presentations/show.php?pres_id
=242

Routing Integrity in a World of Bandwidth-on-demand

This paper will describe the impact of prevalent Bandwidth on Demand
services on existing routing technologies and policies in the European
region. It will investigate the impact of Bandwidth on Demand use on routing
integrity in a multidomain environment consisting of various types of
preexisting network. It will enumerate possible solutions and the impacts of
each one on routing integrity and user requirements, with a view toward
creating a common understanding of the options available and their impacts,
which will guide our approach to implementing Bandwidth On Demand circuits
for users who do not necessarily have routing expertise themselves.



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