4. Standardization and interoperability

4.1 Standardization

Numerous organizations such as ITU-T, IETF and IEEE are involved in standardizing the protocols used to transport mobile traffic over packet networks. Three organizations are mainly active in defining interfaces and/or architecture at system level: the Broadband Forum, the Metro Ethernet Forum and the NGMN alliance.

4.1.1 Broadband Forum

In October 2008, the IP/MPLS Forum standardization body approved the technical specification IP/MPLS Forum 20.0.0 [IPMPLS_20.0.0] as part...