Verimatrix > Case Studies > Chunghwa Telecom's Successful Implementation of Verimatrix Technology for IPTV and OTT Disaster Recovery

Chunghwa Telecom's Successful Implementation of Verimatrix Technology for IPTV and OTT Disaster Recovery

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 Chunghwa Telecom's Successful Implementation of Verimatrix Technology for IPTV and OTT Disaster Recovery - IoT ONE Case Study
Technology Category
  • Infrastructure as a Service (IaaS) - Backup & Recovery
  • Infrastructure as a Service (IaaS) - Cloud Computing
Applicable Industries
  • National Security & Defense
  • Telecommunications
Applicable Functions
  • Maintenance
Use Cases
  • Search & Rescue
  • Tamper Detection
The Challenge
Chunghwa Telecom, Taiwan's largest telecommunications company, was seeking to create a comprehensive disaster recovery solution for its IPTV and over-the-top (OTT) networks. The company had two geo-redundant data centers in Taipei and Tainan, servicing customers in the northern and southern regions respectively. The challenge was to achieve multiple layers of geographic redundancy, allowing each regional data center to failover to its respective backup regional data center, without any failover between the northern and southern regions. Each distinct user base was to be managed independently, but with synchronization of all content ingestion occurring in the northern data centers, then being synchronized with southern data centers. The company also needed to ensure that each of the data centers could failover transparently to the end subscriber in the event of a major failure or natural disaster.
The Customer

Chunghwa Telecom Co., Ltd.

About The Customer
Chunghwa Telecom is the largest telecommunications company in Taiwan and one of the largest in Asia. The company provides information and communication technology services to corporate customers and is expanding its cloud computing services. In recent years, Chunghwa has been actively involved in corporate social responsibility and has won domestic and international awards. The company was looking for a solution to ensure geographic redundancy and disaster recovery for its IPTV and OTT networks, while managing distinct user bases and synchronizing content across key territories.
The Solution
To address these challenges, the Verimatrix Global Services team implemented a comprehensive high-availability Oracle redundancy architecture, which included both Oracle Real Application Clusters (RAC) and Oracle Data Guard. They used four geographically separated RAC databases, with two RAC databases in the southern region and two RAC database instances in the northern region. Within each region, Oracle Data Guard was implemented in addition to Oracle RAC clustered databases to achieve maximized data redundancy and failover. This provided Chunghwa Telecom with both capacity and redundancy within each data center, as well as disaster recovery between each of the regional units. To achieve real-time key synchronization across all data centers for both IPTV and OTT services, the team deployed a combination of VCAS for IPTV Wholesale/Retail and a custom solution to synchronize the OTT content and keys in real-time.
Operational Impact
  • The custom Verimatrix solution worked seamlessly with Oracle’s high availability and disaster recovery technologies, synchronizing encrypted assets and associated keys across multiple geo-redundant data centers without compromising data integrity or performance. The distributed IPTV and OTT system passed all functional, data redundancy and failover tests. The solution also survived several large earthquakes in Taiwan without a single issue. This successful implementation is an example of how Verimatrix can provide a complete support solution, addressing unique functional requirements and deploying high-performance, high-availability telco grade solutions for pay-TV operators.

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