Patent ID: 8893258
Filing Date: 2014-11-18
Classification: G06F,H04L

Abstract:
1. A method executed by a network access control (NAC) in a distributed virtual switch (DVS) network environment, comprising: forwarding user credentials from a virtual machine (VM) in the DVS network environment to a network element located outside the DVS network environment, wherein the user credentials relate to a user attempting to access the VM, wherein a plurality of tenants subscribe to one or more VMs hosted in the DVS network and the tenants share underlying infrastructure of the DVS network, wherein each tenant controls a separate NAC and a separate network element that can assure security of user authentication relevant to the tenant; receiving a user policy at the NAC from the network element, wherein the network element is configured with the user policy by a tenant controlling the NAC and the network element; and facilitating enforcement of the user policy within the DVS network environment.