1. Metro Ethernet www.metroethernetforum.org 2011
2. 3GPP TS 33.210. 2009 3G Security; Network Domain Security (NDS); IP Network Layer Security
3. 3GPP 33.310. 2010 Network Domain Security (NDS); Authentication Framework (AF)
4. 3GPP TS 33.401. 2011 3GPP System Architecture Evolution (SAE); Security Architecture
5. The IMS