The Bank of Tokyo-Mitsubishi UFJ, Ltd.
The Bank of Tokyo-Mitsubishi UFJ chose SUSE Linux Enterprise Server as the operating system for its new SOA platform, gaining a fast and flexible business system.
About The Bank of Tokyo-Mitsubishi UFJ, Ltd.
The Bank of Tokyo-Mitsubishi UFJ is the core entity of the Mitsubishi UFJ Financial Group (MUFG), which receives strong support from customers and society and is aiming to be “one of the best globally integrated financial groups” so as to contribute not only to Japanese economy but to the world economy as well. BTMU provides top-of-the-line products and services for all of its customers’ financial needs in line with its group slogan “Quality for You.”
BTMU needed a framework that could seamlessly link all of its services together, from those currently operating on pre-existing mainframes to those running on the latest Linux operating system (OS).
“Rebuilding the system from scratch each time we had to deal with these changes was becoming too difficult from a cost perspective,” said Yoshikazu Sato, Chief Manager, Systems Infrastructure Department No. 1, Systems Division, BTMU. “As we examined our existing system, we began to think about the possibility of taking previously implemented features and reusing them in the new system.”
BTMU chose the IBM System z mainframe as the main hardware platform for its service oriented architecture (SOA) system, a platform that had previously proven itself as the company built its backbone systems. For the operating system, BTMU adopted SUSE Linux Enterprise Server to run the SOA platform’s core ESB, since the OS was well suited to the System z hardware.
In December 2010, BTMU launched its first SOA platform-based application, a batch query system that allowed bank employees to carry out multiple transactions in one operation. “We used to have to make multiple queries in order to obtain the data for a single bank employee,” Sato said. “But with this new service, we are able to retrieve all of the required data in a single operation.”
The implementation was successful, and BTMU put the application into use in all of its branches by February 2011.
Other businesses within BTMU are making more and more requests to use this SOA platform, and BTMU predicts the amount of transaction processing it handles will increase sharply in the future. “The system processes several tens of thousands of transactions per day right now,” said Sato, “but we hope to handle about a hundred times that on the SOA platform in a year’s time. Part of the reason we adopted SUSE Linux Enterprise Server on IBM System z was that it would be able to handle this amount of transactions.”
Kuniaki Nakajima, Senior Manager, Systems Infrastructure Department No. 1, Systems Division, BTMU explained how using System z and SUSE Linux Enterprise Server for the SOA environment resulted in improved total cost of ownership (TCO).
“Building the SOA on SUSE Linux Enterprise Server this time required far less TCO than building it on the same middleware as z/OS,” he said. “With IA servers, we would need to keep about 20 % of the resources free while running the system, but System z will continue running even when 100 % of resources are being used, which was another benefit.”
Another reason for adopting SUSE Linux Enterprise Server was its high stability.
“We did not have any SUSE Linux Enterprise Server-related problems when we launched the full SOA platform,” said Tetsuya tagami, Manager, Systems Infrastructure Department No. 1, Systems Division, BTMU. “The transition was stable and the OS ran smoothly the entire time, allowing us to focus on developing our business services instead. We had a limited amount of time in which to build this SOA platform, so it was extremely important for us to create the highest-quality SOA in the time that we had.”
An additional advantage was the opensource community around Linux, with its stores of publicly released source code.
“We didn’t generally have to analyse any of the code,” commented Sato, “but whenever unexpected trouble came up, we could examine the source, figure out the problem and come up with an appropriate solution, which gave all of us a sense of security.”
Note: All information in this document reflects the status of BTMU’s implementation of SUSE Linux Enterprise Server for System z as of November 2011.
THE BANK OF TOKYO-MITSUBISHI UFJ, LTD. AT A GLANCE:
The Bank of Tokyo-Mitsubishi UFJ is the core business of the Mitsubishi UFJ Financial Group, providing top-of-the-line products and services
for all of its customers’ financial needs.
Banking and Finance
- Provides flexible link between multiple services
- Allows new services to be implemented quickly
- Handles high volume of transactions
“Building a history of stable SUSE Linux Enterprise Server operation for the SOA platform will lead to further expansion and use in the bank’s other basic operations.”YOSHIKAZU SATOChief Manager, Systems Infrastructure Department No. 1, Systems Division, Bank of Tokyo-Mitsubishi UFJ
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