1. A system for hosting network services, comprising: a network switch configured to provide at least a first virtual switch having an associated first virtual device context (VDC), wherein the first virtual switch is assigned a first set of physical ports of the network switch; and a service node that processes network traffic forwarded by the first virtual switch, wherein the service node includes at least a first port connecting the service node to one of the first set of physical ports of the first virtual switch and wherein the service node is configured to process the network traffic forwarded by the first virtual switch based on the first VDC associated with the first virtual switch.