Wednesday Jul 24, 2013

Cloud Application Foundation 12c Customer Showcase – Turkcell

Today, I want to highlight Turkcell as one of the key customers contributing to the upcoming Cloud Application Foundation 12c launch event on July 31st. Turkcell is the leading communications and technology Company in Turkey, with 34.9 million subscribers and a leading regional player, with market leadership in five of the nine countries in which it operates with its approximately 69.2 million subscribers.

With a reported $1.5 billion in revenue and $10.4 billion in total assets, Turkcell is the only NYSE-listed company in Turkey. I think the two words to define Turkcell's IT environment are "huge" and "complex."
Turkcell's main business functions are CRM , Value Added Services (VAS), Billing/Charging and Network operations managing thousands of user sessions and millions of business transaction every day with 4000+ operating systems, 150+ Oracle databases in production, and 1700+ Oracle WebLogic Server instances.

Weblogic Server is the key product in Turkcell's middleware strategy. Mainly used in CRM, VAS and Billing business lines (where Java EE applications are widely used) their middleware platform predominantly uses Oracle Weblogic Server.

Key reasons Turkcell prefers Weblogic server are as follows:
  • Java EE applications perform better on Weblogic Server under high load of transactions/li>
  • High availability and load balancing solutions like application and server clustering and failover , multi data sources are key features Turkcell uses to increase service availability
  • Turkcell’s business needs changes and grows frequently as their infrastructure must. Weblogic Server adapts to business requirements with ease of scalability and flexibility.
  • Operational excellence – Turkcell believes in simplicity, knowledge convergence and productivity in daily operations. Monitoring capabilities over WebLogic management beans are far stronger and functional compared to others.
Recently, Turkcell has adopted in-memory computing with Oracle Coherence. Their two main goals with taking their high-transactional data in-memory from physical databases or other service backend systems are:
  • To increase performance of our core applications and achieve more transactions per second
  • Off load backend data
Turkcell has been using Oracle Coherence largely for caching frequently accessed data in many mission critical business functions including, call center, order management, campaign management and vast services like SMS processing and so on.

Oracle Weblogic Server and coherence infrastructure today serves majority of Turkcell customers and partners, from every subscriber to internal staff.

Join us for the July 31st launch event to hear why Turkcell is excited about the new releases of WebLogic and Coherence, and what they anticipate as benefits from these brand-new capabilities.
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