Many moons ago I build large campus networks. Newer Ethernet
technologies have arrived that changes the potential mechanism that
these can be deployed in the enterprise and the data centre. Already
Carrier Ethernet is making big inroads into service providers.
Building
large campus networks is not just a question of cascading switches in
an unplanned fashion. This laissez-faire method of building campus
networks is fraught with issues, and the 800 pound gorillas seem to sell
the idea that their devices can be rolled in and magically cure any
issue. This might also be combined with some snake oil that layer 2 does
not matter and can be discounted. Into this bubble and squeak, the
security bunnies add their belief that all network devices should be
firewalls. All devices should operate in a secure manner but this does
not require firewall carpet bombing.
Read the full article on LinkedIn's Pulse here.
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