1. Ericsson AB, Global Mobile Data Traffic Nearly Triples in 1 Year, Ericsson Press Release, Stockholm, 2010
2. Cisco Systems Inc., Cisco visual networking index: global mobile data traffic forecast update 2009–2014, Cisco Systems White Paper FLGD 08867 02/10, San José, 2010.
3. Ericsson AB, HSPA, the undisputed choice for mobile broadband, Ericsson White Paper 284 23-3119 Uen, Stockholm, 2007.
4. A survey of web cache replacement strategies;Podlipnig;ACM Comp. Surv.,2003
5. A caching relay for the World Wide Web;Glassman;Comput. Netw. ISDN Sys.,1994