a method and system for responding to a client request for information from a service device in a data processing network . initially , the server receives the information request from the client and determines that the requested information is not in the server &# 39 ; s cache . the server then generates a storage request and sends the storage request to a network attached storage device . the storage device retrieves the requested information and generates a set of packets containing the requested information . the storage device then sending the generated packets simultaneously to the client to satisfy the client request and to the server to refresh the server cache . the storage request may include protocol information corresponding to the client - server connection that the storage device uses to replicate the client - server protocol stack in the generated packet . sending the generated packet may comprise including a multicast address in the packet .