Provided are methods and systems for processing a data packet associated with a service session. The data packet directed to a first servicing node can be received by a forwarding node. The forwarding node can determine that the first servicing node is unavailable. Based on the determination, the forwarding node can select a second servicing node from a plurality of servicing nodes. The selection can be based on a high availability policy. The forwarding node can then send the data packet to the second servicing node.