netdesign.zone

CCDE online bootcamp with Micronics

After numerous CCDE bootcamp editions here in Poland, we’re together with Micronics starting the online CCDE bootcamp. today’s first day, covering design principles, CCDE exam best practices and get into the zone and “CCDE mindset”. If You’d like to join us, please contact Micronics.

APPs force the Network Design, NOT the opposite

I came across a post of Ivan Pepelnjak about a madness of streched firewalls across DCI:

http://blog.ipspace.net/2015/11/stretched-firewalls-across-layer-3-dci.html

Ivan calls such an idea a stupidity and states:

“For those who still don’t get it: if you lose the communication between cluster members (which would happen after DCI link failure), the firewalls in one data center shut down and cut that data center off the net.”

[…]