1. http://www.avispa-project.org/ AVISPA project's homepage (2005).
2. Benchmarking Methodology for Network Interconnect Devices Request For Comments 2544, Internet Engineering Task Force;Bradner,1999
3. Benchmarking Methodology for Firewall Performance Request For Comments 3511, Internet Engineering Task Force;Hickman,2003
4. Linux FreeS/WAN compatibility Guide Interoperability Tests results (2004).
5. VPNC Testing for Interoperability VPN Consortium Interoperability Tests results (2004).