1. GSM Association (GSMA). (2013). The Mobile Economy 2013.
2. Ericsson. (2013). Ericsson Mobility Report.
3. Cisco. (2013). Cisco visual networking index: Global mobile data traffic forecast update, 2012–2017.
4. IETF RFC 3775. (2011). Mobility support in IPv6, Jun. 2004. Updated by: IETF RFC 6275.
5. IETF RFC 5213. (2008). Proxy Mobile IPv6