Some concepts play well with optimization no matter what hypervisor you are running. Traffic separation is one of those concepts. It is a good idea to separate your traffic into separate network interfaces for performance and manageability reasons. Two port 10 GbE interface cards are becoming more of a commodity, so you best look into using those. 10 GbE and 1 GbE NICs are common now, and it used to be that when we only had 100 MbE interface cards, Citrix recommended separating traffic in the following way:
Interface |
Traffic type |
---|---|
Network Interface 1 |
Management/HA |
Network Interface 2 |
Virtual machine traffic |
Network Interface 3 |
iSCSI/NFS/NAS/Backup |
Network Interface 4 |
Provisioning |
Now, with the proliferation of higher speed networks that are 10 GbE and 1 GbE, separating traffic is a thing of the past and not really recommended.
If your traffic requirements are low enough that you won't saturate a 10 GbE interface, you could conceptually have one 10 GbE NIC and use...