![Professor Godred Fairhurst Professor Godred Fairhurst](/img/200x200/staffpages/uploads/eng174/me.jpg)
MIEEE
Personal Professor
- About
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- Email Address
- g.fairhurst@abdn.ac.uk
- Telephone Number
- +44 (0)1224 272201
- Office Address
Room 376, (top floor, East Wing), School of Engineering, Fraser Noble Building, Bedford Road, Aberdeen, AB24 3UE, United Kingdom
- School/Department
- School of Engineering
Biography
Gorry Fairhurst is an Internet Engineer and a Professor in Electrical and Electronic Engineering at the School of Engineering. He contributes to the School’s General Engineering programme of research-led teaching, and is the Academic Line Manager (ALM) where he coordinates the research across EEE staff.
He received his first degree in Applied Physics and Electronics from the University of Durham, UK, and a PhD in Communications Engineering from the University of Aberdeen, UK. He joined the University of Aberdeen academic staff after working with Prof. Tim Spracklen as a post-doctoral fellow with research in networking via satellite, funded by the UK Satellite Communications Centre, Defford, UK.
He has published more than 200 papers on topics in broadband and broadcast satellite, TV/video transmission, IPv6, IP multicast, X.25, together with work on Internet measurement, protocol architecture and Internet transport.
He is an active member of the Internet Engineering Task Force (IETF) where he chairs the Transport Area working group (TSVWG) and contributes to the IETF Internet area. He previously chaired the IPDVB and DCCP working groups. He has authored more than 32 RFCs with over 150 citations within the RFC-series. He is currently active in the TSVWG, TAPS, and TCPM working groups, as well as contributing to groups including: QUIC, PANRG, and MAPRG.
In previous years, he contributed to ETSI standardisation and the DVB Project, working on generic stream encapsulation and Higher Layer protocols for DVB-RCS2. He was a co-leader of the Future Internet working group in the EC ISI European Technology Platform, and a partner in European research projects funded by the EU, ESA, and industry.
- Research
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Research Overview
My current research interests focus on :
- Internet Engineering, where research includes analysis of control mechanisms for transport. link, and Internet protocols. A mixture of industry and science funding includes: rate-adaptive transport for multimedia, TCP and QUIC transport, Explicit Congestion Notification (ECN), Internet capacity sharing, and low-latency services.
- Internet Measurement and Protocol Design, which includes the specification of protocol architecture and large scale measurement campaign exploring Internet path characteristics.
- Satellite Internet, with a long track record of working on IP over satellite, and satellite broadband delivery and link standards for IP transmission over DVB. I participate in the Satellite Network of Excellence.
- Video transport, I engage in research on Internet TV, characterisation of DASH performance, and TV transport architecture. I retain a great anticipation for IP multicast deployment, and have been an enthusiastic advocate, user, and experimenter for multicast transport.
- Cross-disclipinary research including work with geographers, social scientists and other discplines on topics including broadband access, sensor network design, video streaming, and specific control communications.
Research Areas
Accepting PhDs
I am currently accepting PhDs in Engineering.
Please get in touch if you would like to discuss your research ideas further.
Research Specialisms
- Internet Technologies
- Computer Networks
- Space Technology
Our research specialisms are based on the Higher Education Classification of Subjects (HECoS) which is HESA open data, published under the Creative Commons Attribution 4.0 International licence.
Current Research
I perform my research within the Electronics Group (ERG) in the School of Engineering at theUniversity of Aberdeen (UoA) is a part of the Electrical and Electronics Engineering Research Group. My research has favoured a blend of simulation/measurement and protocol design.
I have worked for many years with IPv4 and IPv6, especially over challenging links with research in the development of new protocols, implementation of link-specific enhancements, testing and assessment of network performance.
Current work includes IP transport protocols for QUIC, Internet Television (IPTV), TCP evolution, the use of ECN, use of DiffSev, and the support transport and services. Research includes implementation (in Linux/BSD), large-scale measurement and satellite services. This work is linked to standardisation in the IETF.
I have a long-running activity in multicast deployment (IPv4 and IPv6), working with projects on routing and multicast transport.
Work in satellite communications has a focus on the IP interface, with work on the GSE specification, IPv6 over satellite, transport protocol optimisation and DVB-RCS systems. and contributing to specifications published by the Digital Video Broadcast (DVB) Project. I currently am evaluating QUIC over satellite.
Past Research
My current publications are listed on the publications tab. Here are examples of my current work:
- Secchi, R., Mohideen, AC. & Fairhurst, G. (2018). 'Performance analysis of next generation web access via satellite'. International Journal of Satellite Communications and Networking, vol 36, no. 1, pp. 29 -43. DOI: 10.1002/SAT.1201
- Khademi, N., Armitage, G., Welzl, M., Zander, S., Fairhurst, G. & Ross, D. (2017). Alternative Backoff: Achieving Low Latency and High Throughput with ECN and AQM. in G Karlsson, A Brunstrom, H Jiang, T Wolf & V Fodor (eds), Proceedings of IFIP Networking 2017. NETWORKING2017/1570335770
- Khademi, N., Ros, D., Welzl, M., Bozakov, Z., Brunstrom, A., Fairhurst, G., Grinnemo, K-J, Hayes, D., Hurtig, P., Jones, T., Mangiante, S., Tüxen, M. & Weinrank, F. (2017). 'NEAT: A Platform- And Protocol-Independent Internet Transport API'. IEEE Communications Magazine, vol 55, no. 6, pp. 46-54. DOI: 10.1109/MCOM.2017.1601052
- Jones, T., Fairhurst, G. & Perkins, C. (2017). Raising the Datagram API to Support Transport Protocol Evolution. in G Karlsson, A Brunstrom, H Jiang, T Wolf & V Fodor (eds), 16th International IFIP TC6 Networking Conference, 2017, Stockholm, Sweden, 12-15 June. NETWORKING2017/1570347877
- Papastergiou, G., Fairhurst, G., Ross, D., Brunstrom, A., Grinnemo, K-J, Hurtig, P., Khademi, N., Tüxen, M., Welzl, M., Damjanovic, D. & Mangiante, S. (2017). 'De-ossifying the Internet Transport Layer: A Survey and Future Perspectives'. IEEE Communications Surveys & Tutorials, vol 19, no. 1, pp. 619 - 639. DOI: 10.1109/COMST.2016.2626780
- Briscoe, B., Brunstrom, A., Petlund, A., Hayes, D., Ross, D., Tsan, I-J, Gjessing, S., Fairhurst, G., Griwodz, C. & Welzl, M. 'Reducing Internet Latency: A Survey of Techniques and their Merit'. IEEE Communications Surveys & Tutorials, vol 18, no. 3, pp. 2149 - 2196. DOI: 10.1109/COMST.2014.2375213
- Fairhurst, G., Secchi, R. & Yun, A. (2013). 'A flexible QoS architecture for DVB-RCS2'. International Journal of Satellite Communications and Networking, vol 31, no. 5, pp. 219-232. DOI: 10.1002/SAT.1026
- Townsend, L., Sathiaseelan, A., Fairhurst, G. & Wallace, C. (2013). 'Enhanced broadband access as a solution to the social and economic problems of the rural digital divide'. Local Economy, vol 28, no. 6, pp. 580-595. DOI: 10.1177/0269094213496974
Collaborations
I participate in research projects at the UK national level and in European research projects.
Since 2004, my research group has been a member of the prestigious European SatNEx Network of Excellence, which brings together 22 leading European research establishments in the satellite communications field, and within this, he leads the work on Standardisation.
ERG participates as an experimenter and contributor in the MONROE measurement platform.
Funding and Grants
Over the years my research has been funded from a range of sources including: EPSRC, European Space Agency (ESA), European Commission (EC), industry (e.g., Astrium, Inmarsat, QinetiQ, Thales, Delta Communications), and UK government agencies (including JISC, DSTL, BNSC, RSRE, DERA, BIS).
- Teaching
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Teaching Responsibilities
I have supervised over 50 student honours projects, including co-supervision of projects with Computer Science and a number of placements from overseas universities (Socrates/Erasmus).
I currently teach two undergraduate courses:
- Level 3: Communications Engineering I (a lab-based course in digital control protocols, such as DMX, RDM, and CAN bus)
- Level 4: Communications Engineering II (Networking technologies, Ethernet, the TCP/IP protocol stack and Internet Engineering)
I have been an invited speaker at many professional and research meetings on TCP/IP, broadband standards, and the future evolution of the transport service for the Internet.
I am part of the team who deliver the annual professional Satellite Communications Course by the IET, Savoy Place, London.
- Publications
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An Evolving Platform for IP-based Services
Contributions to Conferences: Other ContributionsDVB-RCS for MILSATCOM?
Contributions to Conferences: Other ContributionsDigital Video Broadcast Technology
Contributions to Conferences: Other ContributionsIP Networking Challenges for the Next Generation of DVB-RCS
Contributions to Conferences: Other ContributionsSAT-RMTP: A Protocol for Reliable Multicast Content Distribution via VSAT
Contributions to Conferences: Other ContributionsSATNEX Standardisation Activity
Contributions to Conferences: Other ContributionsSatNEx Standardisation Activities
Contributions to Conferences: Other ContributionsThe SatNEx Platform: A Pan-European Satellite Network for Integration, Spreading of Excellence and Training
Contributions to Conferences: Other ContributionsThe UDP-Lite Protocol
Internet Society, vol. IETF RFC 3828Contributions to Specialist Publications: Articles- [ONLINE] http://tools.ietf.org/html/rfc3828
- [OPEN ACCESS] http://aura.abdn.ac.uk/bitstream/2164/3168/1/rfc3828.pdf
Advice for Internet Subnetwork Designers, IETF RFC 3819, (BCP89)
Internet SocietyContributions to Specialist Publications: Articles- [ONLINE] http://tools.ietf.org/html/rfc3819
- [OPEN ACCESS] http://aura.abdn.ac.uk/bitstream/2164/3253/1/rfc3819.pdf
IP-DVB Standards Activities
Contributions to Conferences: Other ContributionsAnalysis of traffic on DVB-S links
Contributions to Conferences: Other ContributionsIP over DVB
Contributions to Conferences: Other ContributionsSecure Satellite Reliable Multicast
Contributions to Conferences: Other ContributionsThe IETF: Towards a Next Generation DVB Infrastructure
Contributions to Conferences: Other ContributionsDynamics of TCP over BoD Satellite Networks
International Journal of Satellite Communications, vol. 21, no. 4-5, pp. 427-449Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1002/sat.754
A Day in the Life of a Multicast Flow
Contributions to Conferences: Other ContributionsA comparison of IP transmission using MPE and a new Lightweight Encapsulation, Advances in Satellite communications
Contributions to Conferences: Other ContributionsIETF Standards Activities
Contributions to Conferences: Other ContributionsWhat QoS does TCP need from BoD?
Contributions to Conferences: PapersTCP Performance Implications of Network Path Asymmetry
Internet Society, vol. RFC 3449 (BCP 69)Contributions to Specialist Publications: Letters- [ONLINE] http://tools.ietf.org/html/rfc3449
How Not to Design Satellite Links for TCP/IP
Contributions to Conferences: Other ContributionsLink ARQ Issues for IP Traffic, IETF RFC 3366 (BCP62)
Internet SocietyContributions to Specialist Publications: Articles- [ONLINE] https://tools.ietf.org/html/rfc3366
- [OPEN ACCESS] http://aura.abdn.ac.uk/bitstream/2164/3172/1/rfc3366.pdf
Better Than Best Effort Class for the GEOCAST Project
Contributions to Conferences: Other ContributionsEnsuring Resilience and Graceful Degradation of Military SATCOM TCP/IP Links
Contributions to Conferences: Other ContributionsImplications of Broadband Satellite BoD Algorithms on TCP Performance
International Journal of Satellite Communications and NetworkingContributions to Journals: ArticlesImplications of Fragmentation and Reassembly by the Adaption Layer
Contributions to Conferences: Other ContributionsMPEG-2 Transport as an IP Bearer
Contributions to Conferences: PapersMulticast & LANs
Contributions to Conferences: Other ContributionsUnderstanding the Technical Challenges of TCP/IP over Broadband Satellite
Contributions to Conferences: Other ContributionsClear Signals
BBC Music MagazineContributions to Specialist Publications: LettersPerformance of Reliable Multicast Protocols via Satellite at EHF with Persistent Fades
Contributions to Conferences: Other ContributionsStandardisation Activities for Broadband Satellite Systems
Contributions to Conferences: PapersLSO: A Space Odyssey
International Arts ManagerContributions to Specialist Publications: LettersSUNRISE: Satellite User Network for Retail Interactive Services
DiscoveryContributions to Specialist Publications: LettersPerformance Issues in Asymmetric TCP Service Provision using Broadband Satellite
IEE Proceedings (Communications), vol. 148, no. 2, pp. 95-99Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1049/ip-com:20010130
Evaluation of an Adaptive Protocol for Robust Independent Links (APRIL)
Contributions to Conferences: Other ContributionsReliable Multicast Via Satellite
International Journal of Satellite Communications, vol. 19, no. 01, pp. 3-28Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1002/sat.706
Robust Synchronisation for a Geo-Satellite Link
Contributions to Conferences: Other ContributionsSolving the technical Challenges of IP over Satellite
Contributions to Conferences: Other ContributionsThe London Symphony Orchestra Tests Live Internet Satellite Technology with the European Space Agency,
Other Contributions: Other ContributionsVideo-based computer-assisted learning
Journal of Audiovisual Media in Medicine, vol. 24, no. 1, pp. 21-26Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1080/0140511020033000
Efficient partial retransmission ARQ strategy with error detection codes by feedback channel
IEE Proceedings. Communications, vol. 147, pp. 263-268Contributions to Journals: ArticlesVideo-Based Computer-Aided Learning using MPEG-1 and MPEG-2
IEE Colloquium (Digest), no. 453Contributions to Journals: Articles- [ONLINE] View publication in Scopus
Reinforcement of TCP error recovery for wireless communication
ACM Computer Communication Review, vol. 28, no. 2, pp. 30-38Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1145/279345.279348
- [ONLINE] View publication in Scopus
Smart codec: An adaptive packet data link
IEE Proceedings: Communications, vol. 145, no. 3, pp. 180-185Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1049/ip-com:19982079
- [ONLINE] View publication in Scopus
Video Medi-CAL: supporting MPEG-2 media based computer assisted learning on an intranet.
Computer Networks and ISDN Systems, vol. 30, pp. 672-675Contributions to Journals: ArticlesExplicit loss indication and accurate RTO estimation for TCP error recovery using satellite links
IEE Proceedings: Communications, vol. 144, no. 1, pp. 47-53Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1049/ip-com:19971014
- [ONLINE] View publication in Scopus
Time-Line: A Network Protocol for Network Multimedia Supporting Classroom-Based CAL
International Proceedings on Audio-Visual Services over Packet Networks, pp. 37-42Contributions to Journals: ArticlesPerformance issues of interconnecting ATM islands
IEE Colloquium (Digest), no. 224Contributions to Journals: Articles- [ONLINE] View publication in Scopus