3_System_Requirements_and_Scaling
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The VOCAL system can be run on a 700MHz Pentium III PC with 512MB RAM and 1GB disk space. It requires Linux, Apache, JDK, and browsers. It supports redundancy with multiple redirect, marshal, and feature servers and a maximum of two each of CDR and provisioning servers. The number of servers scales up based on system capacity and call volume.
3_System_Requirements_and_Scaling
- 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.