CasestudySystem Integration

OSS Integration

By October 16, 2019 December 20th, 2023 No Comments

OSS Integration

A Case Study on Integration of Fault Management for the whole PSTN across multi-vendor switching, transmission and access networks with interfaces to business reporting and trouble-ticketing CRM systems

Operational Requirements

PSTN operator had a partial solution for fault management of one vendor’s network. Operator required gaining self-sufficiency in development and maintenance of multi-vendor network interfaces. Operator also wanted additional features of integration with inventory and root cause analysis


  • Participated with network vendor during pre-sales phase to propose the ideas of having a separate lab system and carrying out joint development of interfaces with operator’s team
  • Prepared a detailed project plan for a large project estimated to take 12 to 15 months
  • Planned for hardware and software installation, network firewall access security clearance for interfaces, data collection, interface specifications and development cycle
  • Split delivery into 4 manageable phases

Solution Delivered

  • Lab system site survey, installation and configuration with connectivity to multi-vendor EMS for fault event data collection
  • Joint development, inter-system testing, troubleshooting and thorough knowledge transfer to operator’s team for three SNMP v1, two SNMP v2c and one http/XML interfaces
  • Customer training for Unix administration, Shell, Perl, XML, SNMP CORBA and TMF814 IDL
  • Production system upgrade and data migration
  • Topology data import from inventory system
  • Development of event correlation rules for root cause analysis for SDH network

Value Proposition

  • On-site joint development with operator with knowledge transfer
  • Ability to navigate through a large organization and multiple vendors to gather interface specifications and deliver an operational solution
  • Customer acceptance with no outstanding items or conditions
  • SNMP (v1, v2c), CORBA, TMF814, XML
  • HP-UX, MS-Windows, Solaris, Linux
  • Oracle, SQL Server, Apache
  • Perl, shell, patterns, CGI/Perl, C
  • NavisNFM, VitalSuiteNFM, DNA, T2000, TNMS, WS-NMS, OMS, TransVu, OMC, NetManager, ACI, AnyMedia, Remedy TTS
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