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Author: | Yang, Lu |
Title: | Network Address Translator Traversal in Java |
Publication type: | Master's thesis |
Publication year: | 2009 |
Pages: | [10] + 85 Language: eng |
Department/School: | Informaatio- ja luonnontieteiden tiedekunta |
Main subject: | Tietokoneverkot (T-110) |
Supervisor: | Aura, Tuomas |
Instructor: | Knutsson, Björn |
OEVS: | Electronic archive copy is available via Aalto Thesis Database.
Instructions Reading digital theses in the closed network of the Aalto University Harald Herlin Learning CentreIn the closed network of Learning Centre you can read digital and digitized theses not available in the open network. The Learning Centre contact details and opening hours: https://learningcentre.aalto.fi/en/harald-herlin-learning-centre/ You can read theses on the Learning Centre customer computers, which are available on all floors.
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Location: | P1 Ark Aalto 6758 | Archive |
Keywords: | NAT NAT Traversal CSNT TCP NAT Traversal |
Abstract (eng): | The invention of Network Address Translator provides a valuable relief on the IP address exhaustion problem. Due to the lack of a standard, it causes many difficulties for new Peer-to-Peer, VoIP and asynchronous notification communications. Although many traversal solutions have been proposed, most of them deal with UDP applications and TCP traversal schemes have received relatively little attention. Among the techniques dedicated to TCP, most modify the underlying TCP protocol and operate on the level of raw IP sockets, which brings in many difficulties for network applications to integrate those traversal techniques because the applications are often implemented by normal socket APIs, which operates on a higher abstraction level. In addition, little research has been done on traversal techniques for TCP client/server applications possibly because of the assumption that a server should be always placed in a public network. The thesis investigates the possibility of designing a NAT traversal scheme for TCP that can he implemented in a high-level programming language using normal socket APIs without support for raw sockets. We design and implement such a scheme for TCP client/server applications in the Java language. The thesis also provides a comprehensive overview of the major aspects of NAT including its history, its characteristics and existing traversal technologies. It is hoped that the unified and illustrated presentation of the various aspects of NAT traversal can be used as a tutorial for beginners in this field. |
ED: | 2010-06-01 |
INSSI record number: 39693
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