Data Center Ethernet (or DCB or CEE, depending on who you are) is a hot story these days and it’s...
Author - Ivan Pepelnjak
Long-distance vMotion and the traffic trombone
Few days ago I wrote about the impact of vMotion on a Data Center network and the traffic flow...
Multihop FCoE 101
The FCoE confusion spread by networking vendors has reached new heights with contradictory claims...
Multihop FCoE 102: VN_port proxy and FIP snooping
A few weeks ago I wrote about the multihop FCoE basics and the two fundamentally different ways an...
Introduction to 802.1Qaz (Enhanced Transmission Selection — ETS)
Enhanced Transmission Selection (ETS) is the second part of the Data Center Bridging puzzle (I’ve...
Introduction to 802.1Qbb (Priority-based Flow Control – PFC)
Yesterday I wrote that you don’t need DCB technologies to implement FCoE in your network. The FC...
vMotion: an elephant in the Data Center room
A while ago I had a chat with a fellow CCIE (working in a large enterprise network with reasonably...