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Optimization of Transport Security for Securing Peer-to-Peer Communication in Heterogeneous Networks
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT. (CCSlab)
2005 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis concerns the security of tomorrow’s peer-to-peer real-time communication in heterogeneous networks. Because of the additional delay caused by inband handshake and the poor compatibilities of some transport protocols, it was determined that existing security protocols such as transport layer security (TLS) and datagram transport layer security (DTLS) are not suitable in such a user scenario and a new security protocol should be designed. This new security protocol is called transport encapsulation security payload (TESP). TESP not only has the advantage of low initialization delay, but also fully supports transport protocols including TCP, UDP, stream control transmission protocol (SCTP), and datagram congestion control protocol (DCCP). Also a security analysis of TESP was carried out and no security flaws were found.

Abstract [sv]

Denna uppsats behandlar säkerheten för morgondagens "peer-to-peer" (P2P) realtidskommunikation i heterogena nät. På grund av den adderade fördröjning som orsakas av inbandssignalering och dålig kompabilitet hos många transportprotokoll, så kan man fastställa att existerande säkerhetsprotokoll, såsom "(Datagram) Transport Layer Security" (TLS och DTLS), inte är lämpade för denna typ av kommunikation och att ett nytt säkerhetsprotokoll bör tas fram. "Transport Encapsulation Security Payload" (TESP) är ett sådant protokoll. TESP har inte bara fördelar såsom låg uppstartsfördröjning, utan har också stöd för många transportprotokoll, t.ex. "Transport Control Protocol" (TCP), "User Datagram Protocol" (UDP), "Stream Control Transmission Protocol" (SCTP) och "Datagram Congestion Control Protocol" (DCCP). Även en säkerhetsanalys av TESP har gjorts, där inga säkerhetsproblem har kunnat påvisas.

Place, publisher, year, edition, pages
2005. , 74 p.
Series
TRITA-IMIT-LCN. AVH, ISSN 1651-4106 ; 2005-04
Keyword [en]
transport layer security, peer-to-peer communication, heterogeneous network, TESP, TCP, UDP, SCTP, DCCP, TLS, DTLS
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-92298OAI: oai:DiVA.org:kth-92298DiVA: diva2:513178
Subject / course
Teleinformatics
Educational program
Master of Science - Internetworking
Presentation
2005-03-17, Seminar room Grimeton, Isafjordsgatan 30B, Kista, 15:00 (English)
Uppsok
Technology
Supervisors
Examiners
Available from: 2012-04-02 Created: 2012-03-30 Last updated: 2017-02-06Bibliographically approved

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CiteExportLink to record
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Citation style
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