1. A system comprising: at least one communications network; a server comprising a processor and communicatively coupled with the communications network; a client device comprising a processor and communicatively coupled with the communications network; a network monitor device comprising a processor and communicatively coupled with the communications network and monitoring traffic on the communications network between the server and the client device; a computer system comprising a processor and executing a service level policy enforcer communicatively coupled with the network monitor, wherein the policy enforcer receives from the network monitor device information related to the traffic on the communications network between the server and the client device and applies one or more service level policies based the traffic between the server and the client device, the one or more policies defining a Quality of Service (QoS) for the traffic between the server and the client device wherein the policy enforcer applies the one or more policies to affect the traffic between the server and the client device to maintain the QoS defined by the one or more policies; and one or more routers, each router communicatively coupled with the at least one communications network and the policy enforcer and wherein the policy enforcer directs the traffic between the server and the client device via the one or more routers based on results of applying the one or more service level policies by the service level policy enforcer.