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3_System_Requirements_and_Scaling

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  • 1. VOCAL System Requirements and Scalability
  • 2. System Recommendations
    • The recommended hardware system to support the VOCAL system is:
      • 700 MHz, Pentium III Intel based PC.
      • 512 MB RAM.
      • 1 GB Hard disk space.
    • Feature Servers require 10KB of RAM per provisioned user.
  • 3. Software Requirements
    • The following software should be installed:
      • Linux Red Hat Version 6.2 or later.
      • Apache Server.
      • JDK 1.2.
      • Java 2 Runtime Environment Plugin (on client workstation only).
      • Netscape Navigator browser (on client workstation only).
  • 4. Redundancy
    • VOCAL supports:
      • Multiple Redirect, Marshal, and Feature Servers.
      • Maximum of two Provisioning Servers.
      • Maximum of two CDR Servers.
    ........ ........ ........ Redirect Server 1 Redirect Server N CDR Server 1 CDR Server2 Provisioning Server 1 Provisioning Server 2 Marshal Server 1 Marshal Server N Feature Server 1 Feature Server N
  • 5. Redundancy and Scalability (1)
    • Marshal Servers & Feature Servers:
      • Multiple Marshal Servers and Feature Servers can exist in a VOCAL system.
    • Redirect Servers:
      • Multiple Redirect servers can exist in a VOCAL system.
      • Each Redirect server contains the same information and registration information is shared between the Redirect servers.
    • Call Detail Record Servers:
      • A maximum of two CDR servers can exist in a VOCAL system.
      • Marshal servers will send billing data to both primary and secondary CDR servers.
  • 6. Redundancy and Scalability (2)
    • Provisioning Servers:
      • A maximum of two Provisioning servers can exist in a VOCAL system.
      • If two Provisioning server exist is a VOCAL system, information saved on provisioning server is shared with the other provisioning server.
      • The Provisioning servers will synchronize information periodically.
  • 7. Sample Configuration Server Types 8 Servers 14 Servers 26 Servers Capacity Redirect Server 1 2 5 Feature Server 1 2 5 Marshal Server 2 4 10 Call Detail Record Server 1 2 2 Provisioning Server 1 2 2 Policy Server 1 1 1 Provisioning GUI 1 1 1 Call Attempts Per Second 10 20 50 Busy Hour Call Attempts 36000 72000 180000
  • 8. End of Module
    • This is the end of the VOCAL System Requirement and Scalability training module.
    • For additional training and documentation visit us at www.vovida.org.