Archive for August, 2010

Nexus 1000V’s 17 load balancing algorithms, dedicated to Nicholas Weaver at EMC

Filed in Nexus, VMware by on August 31, 2010 9 Comments
Nexus 1000V’s 17 load balancing algorithms, dedicated to Nicholas Weaver at EMC

I wanted to take a few minutes to point out the 17 different load balancing algorithms available when distributing traffic from a VMware vSphere ESX host to a network of clustered upstream switches. Normally I don’t write blogs on such short topics but this one has a little story behind it. This week I am […]

Continue Reading »

Cisco UCS intelligent QoS vs. HP Virtual Connect rate limiting

Filed in Cisco UCS, QoS by on August 16, 2010 27 Comments
Cisco UCS intelligent QoS vs. HP Virtual Connect rate limiting

This article is a simple examination of the fundamental differences in how server bandwidth is handled between the Cisco UCS approach of QoS (quality of service), and the HP Virtual Connect Flex-10 / FlexFabric approach of Rate Limiting.  I created two simple flash animations shown below to make the comparison. This movie requires Flash Player […]

Continue Reading »