The U.S. Department of Defense was instrumental in the definition of this technology and also has led in tis adoption globally (Xirasagar, Mojtahed, 2010).

Figure 1:

Comparing Tunneling Configurations in IPSec vs. SSL VPN Configurations

Source: (Opus Consulting, 2007)

Figure 1 illustrates how both VPN and IPSec work in secured Web conferencing configurations. Both of these approaches can drastically reduce the level of risk associated with video conferencing today. Increasingly these technologies are included in the baseline VPN configurations of enterprises who do much of their work and collaboration across the Internet.

The configuring of the TCP/IP command set across these secured connections can also increase the level of video streamlining and combined content distribution as well. Studies indicate that the greater the level of bandwidth planning and optimization on the part of companies the greater the level of ongoing stability and performance of these enterprise-wide applications (Xirasagar, Mojtahed, 2010)....
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