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ESnet Services and Service Level Description - Updated Version 4.0

This document provides a description of each ESnet service, along with the corresponding service level provided. It includes comprehensive physical and logical connectivity, high bandwidth access to DOE sites and primary science collaborators, full suite of network services, architecture tailored for large-scale science, comprehensive user support, monitoring and measuring of network resources, cybersecurity, collaboration services, and continuous evolution in response to science needs.

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ESnet Services and Service Level Description - Updated Version 4.0

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  1. ESnet Services and Service Level Description Document Update Joe Burrescia

  2. Version 4.0 Previous version 3.2 Feb2009

  3. What is it? • A description of each ESnet service • Example: • Service: Network Layer Connectivity • Description: ESnet provides comprehensive and high quality network access to Office of Science Labs and other DOE sites… • The corresponding service level provided • Example: • Service: Network Layer Connectivity • Latency: <100ms between any 2 sites • Packet Loss: typically 100TB with < 38 frames lost • Throughput: 95% of capacity • Availability: ESnet strives for 99.9% availability, and most often exceeds by a wide margin

  4. Summary of Services • Comprehensive physical and logical connectivity • High bandwidth access to DOE sites and DOE’s primary science collaborators: Research and Education institutions in the US, Europe, Asia Pacific, and elsewhere • Full access to the global Internet for DOE Labs

  5. Summary of Services • A full suite of network services • IPv4 and IPv6 routing and address space management • IPv4 multicast • Reservable, guaranteed bandwidth using the ESnet On-demand Secure Circuits and Advance Reservation System (OSCARS) - Scavenger service so that certain types of bulk traffic will use all available bandwidth, but will give priority to all other traffic when it shows up

  6. Summary of Services • An architecture tailored to accommodate DOE’s large-scale science • Move huge amounts of data between a small number of sites that are scattered all over the world • Comprehensive user support, including “owning” all trouble tickets involving ESnet users (including problems at the far end of an ESnet connection) until they are resolved – 24x7x365 coverage • ESnet’s mission is to enable the network based aspects of SC science, and that includes troubleshooting network problems wherever they occur

  7. Summary of Services • Comprehensive monitoring and measuring of network resources • Cybersecurity in the WAN environment • An architecture and operations approach that is fault tolerant and supports a disaster recovery strategy for non-stop operation. • Collaboration services and Grid middleware supporting collaborative science • Federated trust services with science oriented policy • Audio, video, and data conferencing • A highly collaborative and interactive relationship with the DOE Labs and scientists for planning, configuration, and operation of the network • ESnet and its services evolve continuously in direct response to SC science needs

  8. What’s New in Version 4.0? • Evolution, not revolution • Better definitions of circuit services • OSCARS etc • New section on network monitoring • perfSONAR • Revised section on Authenticated Services

  9. Comments? Questions? joeb [at] es.net

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