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VoIP and IPSec
KTH, Superseded Departments, Teleinformatics. (CCSlab)
2000 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

There are several problems with getting Voice over IP (VoIP) protocols to work through Firewalls and Network Address Translators (NAT). Many Internet drafts discuss the issues and different solutions are suggested. One solution is to use Virtual Private Networks (VPN) for VoIP transport, which is explored in this thesis.

The standard architecture used for implementing VPNs is the Internet Protocol Security Protocol (IPSec). IPSec and NAT have some fundamental incompatibilities and are hard to get to work together. Certain set-ups are feasible to get to work through proper configuration and the right use of protocols and modes. For certain scenarios though, new mechanisms are needed. Such mechanisms are proposed in different Internet drafts and these are discussed in this report.

The solution discussed in this thesis includes transporting VoIP over IPSec. This solution solves some problems, introduces some new and put higher requirements on network configuration.

Place, publisher, year, edition, pages
2000. , 58 p.
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-93528OAI: diva2:516866
Subject / course
Educational program
Master of Science in Engineering - Electrical Engineering
2000-12-18, Seminar room "Telegrafen", Isafjordsgatan 22, Kista, 10:00 (Swedish)
Available from: 2012-06-14 Created: 2012-04-20 Last updated: 2013-09-09Bibliographically approved

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