Proceedings 22nd International Conference on Distributed Computing Systems Workshops

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Superphony: towards ubiquitous audio communication services
Proceedings 22nd International Conference on Distributed Computing Systems Workshops - - Trang 728-731
M. Lacoste, P. Paniez, A. Vareille
With the expansion of mobility in communication technologies, the increasing individual audio solicitations require a definition of priorities in audio information. A new concept called superphony is identified which improves communication abilities by reconstructing an audio sphere around each user and filtering audio information based on user and environment profiles. Requirements and elements f...... hiện toàn bộ
#Communications technology #Mobile communication #Streaming media #Research and development #Information filtering #Information security #Resource management #Privacy #Vehicle dynamics #Web and internet services
Whoops!: a clustered Web cache for DSM systems using memory mapped networks
Proceedings 22nd International Conference on Distributed Computing Systems Workshops - - Trang 806-811
E. Cecchet
We present Whoops!, a clustered Web cache prototype based on SciFS, a distributed shared memory (DSM) that benefits from the high performances and the remote addressing capabilities of memory mapped networks like Scalable Coherent Interface (SCI). Whoops! uses the DSM for all Web cache management and cache storage. Using a memory mapped network and a DSM programming model allows us to investigate ...... hiện toàn bộ
#TCPIP #Linux #Prototypes #Computer architecture #Throughput #Network interfaces #Read-write memory #Hardware #Delay #Memory management
The impact of data aggregation in wireless sensor networks
Proceedings 22nd International Conference on Distributed Computing Systems Workshops - - Trang 575-578
L. Krishnamachari, D. Estrin, S. Wicker
Sensor networks are distributed event-based systems that differ from traditional communication networks in several ways: sensor networks have severe energy constraints, redundant low-rate data, and many-to-one flows. Data-centric mechanisms that perform in-network aggregation of data are needed in this setting for energy-efficient information flow. In this paper we model data-centric routing and c...... hiện toàn bộ
#Intelligent networks #Wireless sensor networks #Routing #Sensor phenomena and characterization #Sensor systems #Costs #Communication networks #Polynomials #Protocols #Energy efficiency
Resource-sharing and service deployment in virtual data centers
Proceedings 22nd International Conference on Distributed Computing Systems Workshops - - Trang 666-671
S. Graupner, V. Kotov, H. Trinks
The expectation of a global presence of services leads to the need for large numbers of service instances allocated in a multitude of regional data centers in order to provide sufficient service capacity close to where the demand occurs. Scale of service instances is anticipated growing /spl Gt/10/sup 4/ raising new challenges for control and management. Pragmatically, it must become much easier t...... hiện toàn bộ
#Control systems #Resource management #Quality of service #Laboratories #Milling machines #Fluctuations #Resource virtualization #Security #Large-scale systems #Physics computing
Event-driven coordination of real-time components
Proceedings 22nd International Conference on Distributed Computing Systems Workshops - - Trang 589-594
T. Limniotes, C. Mourlas, G.A. Papadopoulos
The coordination paradigm has been used extensively as a mechanism for software composition and integration. However, relatively little work has been done for the cases where the software components involved have real-time requirements. The paper presents an extension to a state-of-the-art controller event-driven coordination language with real-time capabilities. It then illustrates the expressive...... hiện toàn bộ
#Multimedia systems #Real time systems #Algorithm design and analysis #Dynamic programming #Scheduling #Communication system control #Computer science #Application software #Concurrent computing #Distributed computing
Mobility of context for project teams
Proceedings 22nd International Conference on Distributed Computing Systems Workshops - - Trang 391-395
S. Dustdar
In the last decade, bureaucratic organizational hierarchies increasingly have been replaced with flatter organizational forms, bringing together people from different disciplines to form project teams within and between organizations. Distributed project teams often are self-configuring networks of mobile and "fixed" people, devices, and applications. They are the natural next step in the evolutio...... hiện toàn bộ
#Distributed computing #Collaborative software #Collaborative work #Workflow management software #Peer to peer computing #Databases #Time to market #Costs #Globalization #Internet
The design of interactive negotiation agent on the Web
Proceedings 22nd International Conference on Distributed Computing Systems Workshops - - Trang 176-181
Chuan-Feng Chiu, T.K. Shih, Pei-Ying Wu, Sheng-Hua Shiau
Because of the growth of Internet commerce, individual online transactions will grow rapidly. So in this paper we propose an interactive negotiation agent system on the Internet to help buyers make decisions. We use multi-attribute utility theory as the basic decision making strategy and the theorem is useful for the multicriteria decision. We stated the user goal that can be divided into several ...... hiện toàn bộ
#Internet #Utility theory #Protocols #Business #Decision making #Game theory #Computer architecture #Engines #Computer science #IP networks
Spy: a method to secure clients for network services
Proceedings 22nd International Conference on Distributed Computing Systems Workshops - - Trang 23-28
R.J. Lipton, S. Rajagopalan, D.N. Serpanos
A fundamental problem in security is guaranteeing correct program behavior on an untrusted computer regardless of a user's actions. The problem appears in digital rights management, secure boot, e-appliances, etc. All existing approaches are either partial or unreliable. Today, dependable security is necessary not only for e-commerce, but also to ensure that, under critical conditions of informati...... hiện toàn bộ
#Hardware #Military computing #Propagation losses #Computer security #Information security #Application software #Protection #Intellectual property #Content management #Computer industry
An adaptive maintenance of hierarchical structure in ad hoc networks and its evaluation
Proceedings 22nd International Conference on Distributed Computing Systems Workshops - - Trang 7-13
T. Ohta, S. Inoue, Y. Kakuda, K. Ishida, K. Maeda
Hierarchical routing is effective for large ad hoc networks. However, it is difficult to maintain the hierarchical structure for routing due to node movement. This paper proposes an adaptive method for maintaining the hierarchical structure. The features of the proposed method are (1) the roles of nodes for the hierarchical structure are changed depending on the status of nodes in the restricted v...... hiện toàn bộ
#Intelligent networks #Ad hoc networks #Routing protocols #Robustness #Joining processes #Base stations #Disaster management #Scattering #Computational modeling #Distributed computing
A collaborative infrastructure for scalable and robust news delivery
Proceedings 22nd International Conference on Distributed Computing Systems Workshops - - Trang 655-659
W. Vogels, C. Re, R. van Renesse, K. Birman
In this paper we describe the model used for the NewsWire collaborative content delivery system. The system builds on the robustness and scalability of Astrolabe to weave a peer-to-peer infrastructure for real time delivery of news items. The goal of the system is to deliver news updates to hundreds of thousands of subscribers within tens of seconds of the moment of publishing. The system signific...... hiện toàn bộ
#Collaboration #Robustness #Internet #Information retrieval #Scalability #Publishing #Computer crime #Peer to peer computing #Computer networks #Bandwidth
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