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Using the Dynamic Circuit Network: An Introductions

This guide provides an overview of the Dynamic Circuit Network (DCN), including how to connect, request circuits, write applications, and find more resources. It covers the DCN functionality, control plane, software suite, and services, explaining concepts such as interdomain control, circuit setup/tear-down, and multi-domain coordination using protocols. The guide details how to establish a physical connection and access the control plane software, whether through static connection or setting up a local DCN. It also explores the process of requesting circuits, including the use of interfaces like Web User Interface and Web Service API. Additionally, it includes information on creating and running custom applications using DCN, with a focus on the Java library for making calls. The guide concludes with information on the standardization activities related to the DCN, such as protocol standardization and community involvement through organizations like Optical Grid Forum and GLIF.

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Using the Dynamic Circuit Network: An Introductions

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  1. Using the Dynamic Circuit Network: An Introductions John Vollbrecht, Internet2 Jrv@internet2.edu

  2. Overview • What is DCN? • How do I connect to DCN? • How do I request circuits? • How do I write my own DCN application? • Where can I learn more? • http://packrat.internet2.edu/~zurawski/SMM2008/Fermilab.html

  3. Global Dynamic Circuit Network

  4. DCN - User connections

  5. Internet2 - ESNet interoperations for LHC

  6. DCN Functionality • End-user or application requests point-to-point circuit • DCN creates circuit • Control plane software automates the set up and tear down of circuits • Multi-domain circuits coordinate between each other-using internationally developed protocol

  7. What is DCN? – Internet2 DCN

  8. What is DCN? – Control Plane • Interdomain Controller (IDC) • Accepts circuit requests • Coordinates requests with other domains • Domain Controller (DC) • Manages local resources • Set-up/tear-down circuits in local domain

  9. What is DCN? – Control Plane

  10. What is DCN? – DCN Software Suite • OSCARS (IDC) • Open source project maintained by Internet2 and ESNet • DRAGON (DC) • NSF-funded • Open source project maintained by MAX, USC ISI EAST, and George Mason University • Version 0.3 of DCNSS released April 18, 2008

  11. DCN Services 1-A-5-1-1 1-A-6-1-1 1-A-6-1-1

  12. How do I connect? – Overview • Physical connection • Internet2 Connectors connect to Internet2 DCN • Universities and campuses connect to Internet2 Connector • Access to control plane software • Either -static connect to Dynamic Network • Or - install IDC and do dynamic networks

  13. How to Connect Static connection to DCN • Option 1: No local IDC • Statically connect user to Dynamic network - [Internet2 or other ckt net] • Applications/Users request circuits IDC of net to which they are statically connected [note Requests use IP net]

  14. How to connect? Static Connection to DCN • Option 1: No local IDC

  15. How do I connect? Create local DCN

  16. 2 2 DCN Services InterDomain • No difference from a client (user) perspective for InterDomain vs IntraDomain USER API A A 1 XML RON Dynamic Infrastructure Ethernet VLAN RON Dynamic Infrastructure Ethernet VLAN Internet2 DCN Ethernet Mapped SONET A. Abstracted topology exchange 1. Client Service Request 2. Resource Scheduling 5. Service Instantiation (as a result of Signaling) Multi-Domain Dynamically Provisioned Circuit

  17. How do I request a circuit? - Users • Personal Initiation question • OSCARS Web Page • Simple command-line tools • Program-initiated • LambdaStation, Terapaths • Phoebus • Custom applications/scripts you build! • Requests all use Web Services

  18. How do I request a circuit? - Requests • Minimum set of required information • User Id and credentials • Source and Destination • Start and End Time • Bandwidth • Description • Additional fields available • VLAN range • Path • -- other

  19. How do I request a circuit? - Interfaces • Web User Interface (WBUI) • Java servlet interface used by OSCARS web page • Not intended for use by other applications • Web Service API • XML-based API intended for use by applications • E.g. Phoebus, LambdaStation, TeraPaths

  20. How do I request a circuit? - WBUI • You may test the WBUI on Internet2’s test IDC • Go to http://test-idc.internet2.edu • Login with guest/guest • Click “Create Reservations” and enter: • Source: test-newy.dcn.internet2.edu • Destination: test-chic.dcn.internet2.edu • Bandwidth: 100 • Purpose of Reservation: [your name] testing • VLAN: any

  21. How do I request a circuit? – WS API • Used by applications to contact IDC • Authenticate using an X.509 certificate • Generate with command-line tools • Have CA sign (Internet2 has test CA) • Message format defined in DICE Control Plane group • Custom applications should use this interface

  22. How do I write my own DCN application? • Java library for making DCN calls • Can call simple command-line client directly from application • Google Summer of Code students will be developing PERL, C, and Python libraries

  23. Summary • Need a physical connection as well as control plane software to connect to DCN • DCN software available to install and run • An API exists to write your own DCN applications and more coming

  24. InterDomain Controller Protocol Standardization Activities • Standardization process and increasing community involvement continues • Optical Grid Forum (OGF) • Network Markup Language (NML) Working Group • Standardizing topology schemas (perfsonar and control plane) • Dynamic Network Resources – InterDomain BoF • Expected to become a working group after next OGF • Grid High Performance Networking (GHPN) Research Group • Network Measurement (NM-WG) • Network Measurement Control (NMC-WG) • GLIF • Control Plane Subgroup working on normalizing between various interdomain protocols (IDCP, G-Lambda GNS-WSI, Phosphorus API) • Also active in other GLIF subgroups in this and related space (global id format, PerfSonar)

  25. Where can you learn more? • DCN Software Suite • https://wiki.internet2.edu/confluence/display/DCNSS/Home • Java Client API • https://wiki.internet2.edu/confluence/display/CPD/OSCARS+Client+Java+API • Test IDC Guide • https://wiki.internet2.edu/confluence/display/DCNSS/Internet2%27s+Test+IDC • Obtaining a Test Certificate • https://wiki.internet2.edu/confluence/display/CPD/How+to+Request+an+IDC+User+Certificate

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