The importance of the Internet to modern High Energy Physics Collaborators is clearly immense,and understanding how new developments in network technology impact networks is critical to the future design of experiment...The importance of the Internet to modern High Energy Physics Collaborators is clearly immense,and understanding how new developments in network technology impact networks is critical to the future design of experiments.The next generation Internet Protocol(IPv6) is being deployed on testbeds and production networks throughout the world.The protocol has been designed to solve todays internet problems,and many of the features will be core Internet services in the future.In this talk the features of the protocol will be described.Details will be given on the deployment at sites important to High Energy Physics Research and the network services operating at these sites,In particular IPv6 deployment on the U.S.Energy Sciences Network(ESnet)will be reviewed.The connectivity and performance between High Energy Physics Laboratories,Universities and Institutes will be discussed.展开更多
After less than a year of operation ,the BaBar experiment at SLAC has collected almost 100 million particle collision events in a database approaching 165TB.Around 20 TB of data has been exported via the Internet to t...After less than a year of operation ,the BaBar experiment at SLAC has collected almost 100 million particle collision events in a database approaching 165TB.Around 20 TB of data has been exported via the Internet to the BaBar regional center at IN2P3 in Lyon,France,and around 40TB of simulated data has been imported from the Lawrence Livermore National Laboratory(LLNL),BaBar Collaborators plan to double data collection each year and export a third of the data to IN2P3.So within a few years the SLAC OC3 (155Mbps) connection will be fully utilized by file transfer to France alone.Upgrades to infrastructure is essential and detailed understanding of performance issues and the requirements for reliable high throughput transfers is critical.In this talk results from active and passive monitoring and direct measurements of throughput will be reviewed.Methods for achieving the ambitious requirements will be discussed.展开更多
文摘The importance of the Internet to modern High Energy Physics Collaborators is clearly immense,and understanding how new developments in network technology impact networks is critical to the future design of experiments.The next generation Internet Protocol(IPv6) is being deployed on testbeds and production networks throughout the world.The protocol has been designed to solve todays internet problems,and many of the features will be core Internet services in the future.In this talk the features of the protocol will be described.Details will be given on the deployment at sites important to High Energy Physics Research and the network services operating at these sites,In particular IPv6 deployment on the U.S.Energy Sciences Network(ESnet)will be reviewed.The connectivity and performance between High Energy Physics Laboratories,Universities and Institutes will be discussed.
文摘After less than a year of operation ,the BaBar experiment at SLAC has collected almost 100 million particle collision events in a database approaching 165TB.Around 20 TB of data has been exported via the Internet to the BaBar regional center at IN2P3 in Lyon,France,and around 40TB of simulated data has been imported from the Lawrence Livermore National Laboratory(LLNL),BaBar Collaborators plan to double data collection each year and export a third of the data to IN2P3.So within a few years the SLAC OC3 (155Mbps) connection will be fully utilized by file transfer to France alone.Upgrades to infrastructure is essential and detailed understanding of performance issues and the requirements for reliable high throughput transfers is critical.In this talk results from active and passive monitoring and direct measurements of throughput will be reviewed.Methods for achieving the ambitious requirements will be discussed.
