PhD position: Enabling Distributed Computing in Nanosatellite Constellations
Offer DescriptionKeywords: orbital edge computing, distributed algorithms, cyber-physical systems, replication, distributed and resilient computing, fault tolerance, intermittent computing, nanosats’ subsystems.ContextThe recent deployment of an increasing number of nanosatellites in low-earth orbit (LEO) presents new opportunities for space applications [DKL + 17, DL20]. Built atop small-sized yet powerful blocks,a.k.a. CubeSats or simply nanosats, nanosatellite constellations emerge as promising platforms for massive sensing and large-scale distributed computing. Indeed, they represent a cheaper, competitive alternative for traditional satellite systems for a wide range of application domains such as earth observation and defence.However, the design of distributed, intelligent systems based on nanosats is particularly challenging: nanosats have more stringent physical limitations with respect to processing/networking capability, energy supply, and connectivity among nanosats. Moreover, the use of cheaper components and subsystems might expose the emerging nanosat applications to performance degradation or complex failures. Therefore, novel resilient distributed applications and protocols should be designed and evaluated to make efficient and reliable use of the resources of nanosats at the orbital edge. The proposed doctoral project aims to enable a first-of-its-kind orbital edge computing subsystems with nanosats and to design novel techniques to support reliable and efficient data processing for emerging sensing application like earth observation with the proposed orbital edge computing platform. In order to achieve this challenging goal, we will conduct interdisciplinary, collaborative research to answer the following questions:
We will survey the design and implementation of state-of-the-art building blocks including suitable communication protocols and specific subsystems interfaces and abstractions for computing on nanosats. * How to build a resilient computing system with a set of nanosats?We will investigate distributed systems problems and propose specific solutions for dynamic reconfiguration mechanisms, consensus algorithms, and data replication schemes on nanosats systems. For that, we will take into account our ongoing research on related topics at CNES, one of our partners, including clock synchronization.Proposed researchThis doctoral research project aims to address the above scientific challenges as follows:
Currently, the availability and resilience of traditional, cloud-based distributed system are commonly guaranteed by a replication protocol based on replicated state machine (RSM). Such a protocol implements a consensus algorithm to enable strong consistency, like Fast Paxos [Lam06] and Raft [OO14]. Strongly consistent replication is key to efficient implementation of critical distributed systems’ building blocks, like distributed lock manager, reliable configuration or transactional key-value store. To our knowledge though, such protocols have never been designed and extensively evaluated on nanosatellite constellations. Finally, it is important to highlight that this doctoral project is a joint work with our colleagues in in Australia, therefore the doctoral student will spend at least one year working in Australia. In addition, the doctoral candidate will have a joint doctoral degree by the end of the project.RequirementsResearch Field Computer science » Systems design Education Level Master Degree or equivalent
Research Field Computer science » Informatics Education Level Master Degree or equivalentResearch Field Mathematics » Algorithms Education Level Master Degree or equivalentResearch Field Computer science » Computer systems Education Level Master Degree or equivalentSkills/QualificationsIn this research project, we intend to explore both a fundamental and an applied aspects. Candidates to this position should hold a Master’s degree in Computer Science/Informatics, Mathematics or a related field by the starting date of the doctoral project. They must be excited by research in distributed systems/computing, distributed algorithms, orbital edge computing, and/or intermittent computing, and should have an excellent academic record in one of these areas.Specific RequirementsFamiliarity with formal specification and verification, and graph theory/algorithms would be greatly appreciated. Teamwork and communication skills are key to this position, and industrial experience is a plus.Excellent proficiency in English is required (CECR : C1; IELTS : 7.0; Cambridge English Scale : 185; or equivalent). Knowledge of French is not required.Knowledge of French is not required.Languages ENGLISH Level ExcellentResearch Field Computer science » InformaticsComputer science » Systems designComputer science » Computer systemsMathematics » Algorithms Years of Research Experience 1 – 4Additional InformationBenefitsThis fully-funded PhD starts in November 2024 (or in January 2025, depending on the paperwork) and the duration of the contract/scholarship is 3 years. Benefits include:Eligibility criteriaApplicants of any nationality can apply, but applicants must not have a doctoral degree already or been enrolled in a PhD/doctoral program.Selection processTo apply, please send the following information to (Subject=PhD position [ENAC-UoA-PhD24]: distributed computing for nanosats):
The selection process is three-fold:
Additional commentsAbout ENAC and University of AdelaideThe , National School of Civil Aviation, is located in Toulouse, France, the centre of the European aerospace industry (e.g., , , and ). It offers an ideal working environment, where researchers can focus on developing new ideas, collaborations and projects.Our research topics at ENAC Lab include emerging CPS design (e.g., drones and nanosatellites), aviation safety and security, sustainable transportation development, and aeronautical computer-human interactions. For further information, please consult our .The proposed research will be developed in the ENAC research laboratory, , in close cooperation with , an important industrial partner in Toulouse and the in Australia. Website for additional job detailsWork Location(s)Number of offers available 1 Company/Institute ENAC, Université de Toulouse Country France State/Province Occitanie City Toulouse Postal Code 31055 Street 7 avenue Edouard-Belin GeofieldWhere to apply E-mailds-resco-recruitment@lists.recherche.enac.frContact State/ProvinceOccitanie CityToulouse WebsiteStreet7 avenue Edouard-Belin Postal Code31055 E-Mailrs-resco-recruitment@lists.recherche.enac.frSTATUS: EXPIRED
Toulouse
Sat, 25 May 2024 02:52:46 GMT
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