Prométhée Spathis

Prométhée Spathis
Sorbonne Université | UPMC · Laboratoire d'informatique de Paris 6 (LIP6)

About

27
Publications
1,757
Reads
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155
Citations
Citations since 2016
6 Research Items
129 Citations
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20162017201820192020202120220510152025

Publications

Publications (27)
Article
Cellular resources are expensive and should be saved whenever possible. In this paper, we address the problem of content dissemination in a capacity-constrained cellular network, a typical problem that future generations of networks will have to face. We investigate the benefits of device-to-device (D2D) communications with regard to resource savin...
Article
Full-text available
We review the research literature investigating systems in which mobile entities can carry data while they move. These entities can be either mobile by nature (eg human beings and animals) or mobile by design (eg trains, airplanes, and cars). The movements of such entities equipped with storage capabilities create a communication channel which can...
Article
Full-text available
Cellular resources are expensive and should be saved whenever possible. In this paper, we propose Scheduled Content Delivery (SCoD), a resource-saving strategy that draws on the mobility of users to reduce the number of cellular transmissions. The idea is to postpone a transmission in order to maximize its benefits in terms of users located in the...
Article
Full-text available
With over 300 billion vehicle trips made in the USA and 64 billion in France per year, network operators have the opportunity to utilize the existing road and highway network as an alternative data network to offload large amounts of delay-tolerant traffic. To enable the road network as a largecapacity transmission system, we exploit the existing m...
Conference Paper
Full-text available
We propose a cloud-like file storage and sharing system designed for mobile users. Our system relies on a collection of strategically pre-positioned repositories within which files are replicated without relying on a conventional infrastructure-based network. Once stored in the first encountered repository, copies of the files are carried by the in...
Article
Full-text available
With emerging geo-distributed services, there is a need to coordinate the use of resources offered by field-area networks. In the case of vehicular networks, such resources include the processing, sensing, and storage capabilities offered to service providers for urban sensing or intelligent transportation. In this paper, we propose to virtualize t...
Article
Full-text available
Offloading is a promising technique for alleviating the ever-growing traffic load from infrastructure-based networks such as the Internet. Offloading consists in using alternative methods of transmission as a cost-effective solution for network operators to extend their transport capacity. In this paper, we advocate the use of conventional vehicles...
Article
Full-text available
The network of roads and highways is a promising candidate to help network operators offload their infrastructure and cope with the ever-growing amount of data exchanged on the Internet. By piggybacking data onto vehicles, roads can be turned into a large-capacity transmission system when considering the increasing number of journeys involving vehi...
Conference Paper
The huge increase of mobile traffic in the latest years has put cellular networks under pressure. To face this situation, operators propose to adopt data offloading techniques based on device-to-device communications to alleviate their infrastructure. In this paper, we consider a specific scenario in which the cellular channel has severe capacity l...
Conference Paper
Full-text available
In the latest years, Internet traffic has increased at a significantly faster pace than its capacity, preventing efficient bulk data transfers such as data-center services and high-definition user-generated content applications. In this paper, we propose to take advantage of the existing worldwide road infrastructure as an offloading channel to hel...
Chapter
The purpose of this chapter is to describe the reference model of the Autonomic Network Architecture (ANA) network architecture. This includes a description of the basic abstractions and communication paradigms. At the coarsest level, the core abstraction of ANA is the “Compartment” which encompasses the notions of networks and realms and is the ba...
Article
In this paper, we are concerned about content-based networking (CBN) at extreme scales, characterized by a large number of widely spread consumers, heterogeneous consumer requirements, huge volume of publications, and the scarcity of end-to-end bandwidth. We extend CBN with a generic service model that allows consumers to express their interests in...
Conference Paper
The future of Vehicular Ad-Hoc Networks (VANET) will rely mainly on the support of efficient information dissemination protocols, whether we talk about safety applications that warn the driver of an imminent collision, a simple update on traffic conditions, or road-side advertisements. One of the greatest challenges when designing such protocols is...
Article
Content routing is aimed to provide location-independent access to an object without relying on the maintenance of network connections between the source and the destination of the object. This paradigm enables the usage patterns in terms of applications involving data objects retrieval or services access by giving emphasis to the content rather th...
Article
In this poster, we propose a content centric protocol for the filtering and the distribution of data between users. This protocol has the advantage of working either in current IP networks or new networking frameworks like the ANA framework. Our protocol consists of a distributed filtering process associated to a dynamic optimization process that s...
Article
Nous proposons un modèle générique pour capturer les propriétés distinctives des diverses approches existantes en matière de distribution de contenu. A partir de ce modèle, nous introduisons une terminologie permettant d’analyser les fonctionnalités propres aux approches existantes. Ensuite, nous proposons une architecture de routage orientée conte...
Conference Paper
In this paper, we address the problem of content routing in the context of the Autonomic Network Architecture (ANA) project. The general aim of the ANA project is to provide an innovative communication framework that helps to surpass the current IP limitations in an heterogeneous networking environment and provide autonomicity to the management of...
Article
Full-text available
Dans cet article, nous présentons un modèle générique con\c{c}u pour capturer les propriétés distinctives des diverses approches existantes en matière de distribution de contenu. Nous utilisons la terminologie introduite dans notre modèle pour proposer un algorithme de filtrage et de distribution de contenu. Notre algorithme procède par réécriture...
Article
Le domaine des communications de groupe a recemment connu un renouveau qui s'est traduit par des propositions de protocoles de diffusion fiable novateurs. Ces protocoles sont en rupture avec les approches de bout en bout traditionnelles par le role qu'ils attribuent aux routeurs de l'arbre de diffusion, leur objectif etant d'offrir une solution sat...
Conference Paper
This paper describes the design and implementation of a novel reliable multicast protocol, totally reliable and scalable to large number of receivers. MAF relies on Active Networks technology: active routers in the multicast tree store sender's transmissions in order to be able to later retransmit them to repair downstream losses. To address scalab...
Conference Paper
Full-text available
This article describes an active network testbed, AMARRAGEbone, deployed across France as part of the RNRT1 AMARRAGE2 project. Established to demonstrate the feasibility of the active network architecture jointly conceived and developed by the consortium, this platform enabled the large-scale deployment of active software components. These componen...

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