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Providing a transport service over IP that meets the timeliness and availability requirements of soft real-time applications has turned out to be a complex task. Although network solutions such as IntServ, DiffServ, MPLS, and VRRP have been suggested, these solutions many times fail to provide a transport service for soft real-time applications end to end. Additionally, they have so far only been modestly deployed. In light of this, this thesis considers transport protocols for soft real-time applications. Part I of the thesis focuses on the design and analysis of transport protocols for soft real-time multimedia applications with lax deadlines such as image-intensive Web applications. Part II of the thesis considers the Stream Control Transmission Protocol (SCTP), which was developed by the IETF to transfer telephony signaling traffic over IP. The main focus of Part II is on evaluating the SCTP failover mechanism. Furthermore, ways to improve the transport service provided by SCTP, especially with regards to the failover mechanism, are suggested.
About the author
Karl-Johan Grinnemo received his Ph.D. in Computer Science from Karlstad University in Sweden. Currently, he works as acting associate professor at the School of Information and and Communication Technology, KTH, Sweden.
