Countries monitored. Contain 78% of world population. 99% of online users of Internet ... nlanr.net/training/presentations/tcp-tutorial.ppt. www-didc.lbl.gov ...
Grid Network Performance. Monitoring for e-Science. Mark Leese - Daresbury ... design and deploy an infrastructure for. network performance monitoring within ...
Thumpers Sun x4500 (AMD processors) Oracle 10g is on a cluster of dedicated machines ... Dual AMD Opteron Processor 848. Linux file resource from local disk system ...
Title: High Performance Active End-to-end Network Monitoring Author: cottrell Last modified by: cottrell Created Date: 10/17/1999 7:36:36 PM Document presentation format
dual channel SCSI. UDMA/100 bus master/EIDE channels. data transfer rates of ... Two Dual Core Opterons. 200 MHz DDR Memory. Theory BW: 6.4Gbit. HyperTransport ...
SLAC Internet Measurement Data. Les Cottrell, Jerrod Williams, Connie Logg, Paola Grosso ... Partially funded by DOE/MICS Field Work Proposal on Internet End-to-end ...
Richard Hughes-Jones. PFLDnet2005 Lyon Feb 05 R. Hughes-Jones Manchester. 1 ... Richard Hughes-Jones, Stephen Dallison. The University of Manchester. MB - NG. Slide: 2 ...
Tier 1/A centre at RAL. 200 CPUs 35 TB disk this year (increasing as price drops) ... User specifies data description and job. Grid tools locate files, find ...
DOE UltraScience Net: High-Performance Experimental Network Research Testbed Nagi Rao Computer Science and Mathematics Division Complex Systems Funded by DOE Office ...
Title: Digital Divide and PingER Author: julio Last modified by: cottrell Created Date: 8/5/2001 1:39:00 AM Document presentation format: On-screen Show
Two Dual Core Opterons. 200 MHz DDR Memory. Theory BW: 6.4Gbit. HyperTransport ... dual 2.8 GHz Zeon CPUs with 512 k byte cache and 1 M byte memory ...
A new infrastructure for high throughput network and application performance measurement. Les Cottrell SLAC Prepared for the IPAM meeting, UCLA Mar 19 02
Outline Project Athena Resources Models and Machine Usage Experiments Running Models Initial and Boundary Data Preparation Post Processing, Data Selection and ...
... System Issues: PCI-X Bus, Linux Kernel, NIC Drivers, CPU. Internet 2 Land Speed ... Linux kernel for TCP-based protocols, ... 7 full kernel-build cycles ...
Catalin Meirosu Politehnica University of Bucuresti & CERN ... Gadomski, A. Negri, A. Kazarov, M. Dobson, M. Caprini, P. Conde, C. Haeberli, M. Wiesmann, ...
Transform using shared-space framework (Seine) Operating system ... Seine coupling framework interface. User applications. SDM. Center. Current Status Asynchronous I/O ...
Host, PCI & RAID Controller Performance. RAID5 (stripped with redundancy) ... Separate the data transfers use motherboards with multiple 64 bit PCI-X buses ...
WAN Monitoring Prepared by Les Cottrell, SLAC, for the Joint Engineering Taskforce Roadmap Workshop JLab April 13-15, 2004 www.slac.stanford.edu/grp/scs/net/talk03 ...
... turn acquire their information by interrogating individual GRISes and National GIISes ... The JSS is based on CondorG. Logging information is kept at each stage. ...
Diurnal behavior characterization. Disk throughput as function of OS, file system, caching ... Diurnal changes. 29. Rolling Averages. EWMA~Avg of last 5 points ...
Evaluation of Advanced TCP stacks on Fast Long-Distance production Networks Prepared by Les Cottrell & Hadrien Bullot, SLAC & EPFL, for the FAST workshop, Caltech
www.slac.stanford.edu/grp/scs/net ... Evaluate, recommend, integrate best measurement probes including for =10Gbps ... Recommend trying pathneck on UltraLight ...
Attempted install on UltraLight dual core Opterons at Caltech, but no host ... Opteron systems with two CPUs each dual core, 8GB or 16GB RAM, s2io 10Gbit NICs, ...
GEANT2 Network Performance Workshop , 11-12 Jan 200, R. Hughes-Jones Manchester. 1 ... Sender awaits an ACK 'I am ready to receive byte 2048 and beyond' ...
Approaches, Values and Players: The Role of the State and Civil Society Players ... Department of Agrarian Reform. National Anti Poverty Commission ...
Ability to locate a persistent object even if relocated or multiply located ... Ensure full event navigability at every stage of analysis. Typical query ...
(running at least one non ... Disk problems earlier in the year tracked down to a bad batch of drives. All ... half the farm to RedHat 7.2 imminently ...
The two primary subjects under investigation are interacting binary stars ... The 140 files of a time step are merged into one (1) netcdf file (takes about 10 ...
Red/green lights, am I on Internet2. Multicast available. IPv6 available ... TCP: 100 Mbit Ethernet coast-to-coast: Full size packets... need 10-6 Ploss [Mathis] ...
Number of events, TB of data. Delivery deadline. How Much Data. 2004 Data Challenge ... Magini, Olga Kodolova, David Colling, Philip Lewis, Claude Charlot, Philippe ...
Make best use of new IT technologies. Increased demand of both ... Development and deployment of a data distributed processing system (Hardware & Software) ...
Title: Evaluation of Advanced TCP stacks on Fast Long-distance Production Networks Author: julio Last modified by: cottrell Created Date: 8/5/2001 1:39:00 AM