naval forces dependent on network-centric operations are adequately protected during this period of protocol and IA evolution. This will not be easy and will require a comprehensive understanding of the issues. For example, in VoSIP, one of the challenges in developing the security features is to converge on common standards to ensure interoperability across the various vendor products and with that, ensure that the security features are carried across all vendors’ telephones with which the naval users will interact.10 Another area is mobile communications, which has issues that are being worked through.

10  

There are multiple VoIP architectures, including three commercial versions (Section Initiated Protocol [SIP], International Telecommunications Unions [ITU] H.323, ITU/proprietary Cisco Signaling Connection Control Part [SCCP]), as well as military versions that are still evolving.



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