The Advantages of IPv6 in VPNs

Paper Summary:

The paper provides an analysis of the configuration, scalability and performance aspects of IPv4 versus IPv6-based SSL, in relation to IPv4-based IPSec protocol over networks and VPNs. The paper examines how these functional differences are defining the use of these two respective protocols. The paper includes many tables to illustrate the differences and shows how the configuration and security options available in IPv6-based SSL VPNs are quickly gaining ground.

Outline:
Introduction
Defining Virtual Private Networks and their role in security
Comparative Analysis of IPSEC vs. SSL-based VPN
Market Comparative Analysis of IPv4-based IPSec vs. IPv6-based SSL VPNs
Summary

From the Paper:

"The many benefits of upgrading an organizations' network, specifically its Virtual Private Networks (VPNs) from IPv4 to IPv6 make the costs associated with the transition recoverable from increased network stability, auto-configuration, security, mobility, increase and quality-of-service and multicast capability (Cisco 2007). First, in terms of scalability, address range for IPv6-based networks is 128-bits, giving the organization much greater security as well (Fink, 1999). Second, the security concerns regarding using DHCP to assign IP addresses using IPv4 today can be alleviated with the stateless reconfiguration capability of IPv6 (Lehtovirta, J 2006)."

Sample of Sources Used:

• AMR Research (2005)- SOX Spending for 2006 to Exceed $6B. John Hagerty and Fenella Sirkisoon. Tuesday November 29, 2005. Accessed from the Internet on June 10, 2008: http://www.amrresearch.com/Content/View.asp?pmillid=18967
• Chou, W (2002). "Inside SSL: Accelerating Secure Transactions." IT Professional. Sep/Oct. 2002: 37- 41.
• Ciampa, Mark (2005). Security+ Guide to Network Security Fundamentals. 2nd Edition Massachusetts: Thomson Course Technology, 2005
• Cisco, (2007) IPv6 Introduction. Retrieved June 2, 2008 from Cisco Systems IPv6 Introduction Web site: http://www.cisco.com/en/US/products/ps6553/products_ios_technology_home.html
• Cisco Tutorial (2007). Basics of the OSI Model and associated documents. Accessed from the Internet on June, 1, 2008 from location: http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/introint.htm

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