Provided are a system and method for service session management in an IP centric network. In one example, the method includes accessing a network to establish a point of presence through an access interface layer at an access management layer and a core portion of the network and designating a default amount of bandwidth and a plurality of default setup parameters. Service is invoked through an allied application server on the network to establish an amount of network resources requested by a user. The allied application server manages any changes requested by the user to the quality of service parameters and bandwidth amount through the core network. A transport session is established to create and manage a connection from the user to a destination address.