Chunghwa Telecom's Successful Implementation of Verimatrix Technology for IPTV and OTT Disaster Recovery
- Infrastructure as a Service (IaaS) - Backup & Recovery
- Infrastructure as a Service (IaaS) - Cloud Computing
- National Security & Defense
- Search & Rescue
- Tamper Detection
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.
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.
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.
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