This presentation from Alex Stamos, CSO of Yahoo during the AppSec conference is explains why firewalls are not part of their security strategy. Firewalls operating at 10G or more are not cost effective. Vertical scaling of performance costs more than the services are worth. At 100G, a firewall has less than 6.7 nanoseconds to “add value” […]
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A while ago Chris Young sent me a few questions about network management in the brave new SDN world. I never focused on network management, but I know a few people who do, including Terry Slattery and Matt Oswalt. Interop brought us all together, and we sat down one evening after the presentations to chat about the challenges of monitoring and managing SDN networks.
We started with easy things like comparing monitoring results from virtual and physical switches (and why they’ll never match and do we even care), and quickly diverted into all sorts of potential oscillations caused by overly-dynamic load balancing caused by flow label-based ECMP and flowlets.
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The DevOps model is coming to telecom. The only question is: how long it will take?