At times of large scale, heterogeneous computing infrastructures gathering myriads of services, service discovery has become a critical feature that has to deal with the scale and dynamic nature of ...such platforms. The SPADES project (Servicing Petascale Architectures and Distributed System) is a consortium whose purpose is to promote new solutions to deal with distributed, volatile and heterogeneous computing resources. For the aforementioned reasons, at the project's core, the service discovery has been envisioned as fully decentralized. More precisely, the proposed P2P service discovery system proposed within the SPADES project is based on the DLPT approach (Distributed Lexicographic Placement Table) providing distributed structures and algorithms for such a feature. In this paper, an implementation of the DLPT concepts into the middleware developed within the SPADES project, called SBAM, is devised. Moreover, its actual deployment over a nation-wide grid system, as well as its performance are detailed.
Provider: - Institution: - Data provided by Europeana Collections- Soldiers on the move at the Front, during World War I. "Working parties going up to consolidate newly captured trenches". A line of ...silhouetted soldiers are walking in single file across the top of a small hill. Each man's pick or shovel can clearly be seen over his shoulder. The ground is all churned up and covered with frost. Original reads: 'OFFICIAL PHOTOGRAPH OF THE SOMME ADVANCE - Where spades and picks are as useful as rifles. Working parties going up to consolidate newly captured trenches.'.- Electronic reproduction of:; Where spades and picks are as useful as rifles.; 1 photograph : black and white ; 16.60 x 21.60 cm.- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
Provider: - Institution: United Archives / WHA - Data provided by Europeana Collections- During the Warring States period (475-221 BC), the various states used different forms of spade money- The ...earliest money In China was shaped like tools, including spades and knives.- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
Provider: - Institution: United Archives / WHA - Data provided by Europeana Collections- During the Warring States period (475-221 BC), the various states used different forms of spade money- The ...earliest money In China was shaped like tools, including spades and knives.- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
Provider: - Institution: United Archives / WHA - Data provided by Europeana Collections- During the Warring States period (475-221 BC), the various states used different forms of spade money- The ...earliest money In China was shaped like tools, including spades and knives.- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
Provider: - Institution: - Data provided by Europeana Collections- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain ...Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
Provider: - Institution: - Data provided by Europeana Collections- Railway engine, during World War I. A group of soldiers stand around a large railway engine. Some of them hold spades, while others ...are lined up next to the engine. More soldiers stand on the embankment, ready to help if need be. The mud and debris appear to be causing problems. The conditions on the Western Front were appalling, and made moving of men, machinery and supplies very difficult, as this picture illustrates. Original reads: 'THE BRITISH ADVANCE IN THE WEST. Railway engine in difficulties.'.- Electronic reproduction of:; Railway engine in difficulties.; 1 photograph : black and white ; 10.30 x 15.20 cm.- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
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