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Graduation project TNO ICT – NCS/SEM 2010 Title TNO: Future DNS – infrastructure or service Contact Dr. Ir. M. Oskar van Deventer Ir. Mike Schenk Start To be decided, preferably early 2010 Location TNO, Brassersplein 2, Delft Description Background The Domain Name System (DNS) is a vital part of the internet. It is a distributed system that resolves domain names (e.g. "tno.nl") into IP addresses, services records and NAPTR records, enabling a wide variety of services including e-mail, web browsing, file transfer, web services, etcetera. Some companies are using DNS as basis for value-added services ("monetizing DNS"). Dynamic DNS for hosts with dynamic IP addresses, e.g. assigned via DHCP, e.g. dyndns.com, opendns.com User and infrastructure ENUM Blacklists (email), parental control, SW version updating Redirect to search page in case of non-valid lookup (“Google suggest” alike feature) Improved performance: Google’s Public DNS Intuitive / context aware naming At this moment, it is unclear how "DNS services" relates to "DNS as vital part of the internet infrastructure". The possible introduction of DNSsec in the DNS infrastructure may have a significant impact on de business model of some DNS services. Project description The graduate student should make a survey and technical analysis of DNS services and DNS infrastructure as currently used in the internet. The student should make a technical design and implementation of a selected DNS service, reusing existing open-source software components as much as possible. This should provide insight in how DNS services interact with generic internet services in terms of technology and business, and to what extend DNS services have impact to the integrity of the internet. We are looking for: A graduate student with a background in Electrical Engineering, Computer Science or similar. He/she should have a feeling for internet infrastructure protocols and in particular DNS related protocols and architectures. Programming skills are required for implementation. Experience with BIND and other DNS technologies is desirable, but not essential. We are offering: An interesting assignment, carried out in a stimulating environment, hopefully resulting in at least one publication. Candidates can send their application letter and CV to firstname.lastname@example.org, or call with Oskar van Deventer: 015-28 57078 Literature Reference Explanation F. Boronat, J. Lloret, M. García, Overview of synchronization “Multimedia group and inter-stream technologies synchronization techniques: A comparative study”, Elsevier Information Systems 34 (2009), pp. 108–131 Toshiro Nunome; Shuji Tasaka, "An Validation of inter-destination media Application–Level QoS Comparison of synchronization technologies Inter–Destination Synchronization Schemes for Continuous Media Multicasting", IEICE transactions on communications, ISSN 0916-8516, Vol. 87 (2004), No. 10, pp. 3057-3067 (11). Niamut et al, Large-Scale User Trial Overview of the ConnecTV service and Shows Viability Of Social Experience- the pilot that was held to test the service Sharing TV Services, IBC 2008, September 2008 Van Deventer et al, Advanced interactive Overview of services that require inter- television services require content destination media synchronization synchronization, IWSSIP 2008, Juni 2008 ETSI TS 181 016: “Telecommunications Search for "synchronization" to find the and Internet converged Services and relevant use cases and requirements on Protocols for Advanced Networking inter-destination media synchronization (TISPAN); Service Layer Requirements to integrate NGN services and IPTV”. ETSI TS 182 027: "Telecommunications Search for "synchronization" to find the and Internet converged Services and relevant architecture and procedures on Protocols for Advanced Networking inter-destination media synchronization (TISPAN); IPTV Architecture; IPTV functions supported by the IMS subsystem". ETSI TS 183 063: "Telecommunications Search for "synchronization" to find the and Internet converged Services and relevant protocol definition for inter- Protocols for Advanced Networking destination media synchronization (TISPAN); IMS-based IPTV stage 3 specification". IETF: SIP: Session Initiation Protocol, Session initiation protocol (SIP), that is http://www.ietf.org/rfc/rfc3261.txt used by TS 183 063 to initiate IPTV sessions and synchronization sessions IETF: RTP: A Transport Protocol for Real-time transport protocol (RTP) and Real-Time Applications, especially Real-time transport control http://www.ietf.org/rfc/rfc3550.txt protocol(RTCP), that is used by TS 183 063 to exchange synchronization status information and synchronization settings instructions. IETF: RTP Control Protocol Extended Solution to extend RCTP, which is used Reports (RTCP XR), by TS 183 063 to convey additional http://www.ietf.org/rfc/rfc3611.txt parameters for synchronization.
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