Deployment Guide

10 Network Partition (NPAR) Technology and VMware Virtual Switch comparison using QLogic BCM57800 | version 1.0
Table 2 lists the pros, and cons of the VMware VSS traffic shaping technology:
VMware’s VSS traffic shaping characteristics
PROs
CONs
Able to adjust bandwidth allocation within
VMware vSphere
Bandwidth allocation for “ingress/RX”
VM/VMkernel traffic only
Able to change traffic shaping
parameters without rebooting ESXi host
Peak Bandwidth and Burst Size fields
difficult to understand
No VMware vSphere Enterprise Plus
license required
Additional NPAR complexity when
allocating uplinks to a VSS
Allows experienced VMware
administrators to manage traffic shaping
VMware VSS traffic shaping pros and cons