Mitsubishi Motors Corporation, Ltd.

Realizing a cost savings of over 12,000,000 yen per year through WAN optimization, with improved data security and improved availability
A women


  • Reducing the cost of operations
  • Improving data security
  • Making the level of service more uniform


  • TCO savings of 1,000,000 yen per month
  • Access performance comparable to that of a LAN, through a 90% reduction in WAN traffic
  • Improved data security through central-ized management
  • Improved availability


Mitsubishi Motors Corporation, Ltd. (“Mitsubishi Motors”) was aiming to further increase its competitive strength by consolidating its information systems at key locations within Japan. As part of this effort, in 2005 they consolidated a total of 50 Windows NT-based file servers (5000 users) at three locations whose hardware maintenance contracts had expired, replacing them with a single EMC Celerra NS series. By introducing the Riverbed Steelhead appliance, they were able to provide end users with performance comparable to that of LAN access and reduce WAN traffic by over 90%. They also strengthened data security, centralized management, enabled a large reduction in TCO, and improved availability.




In our company, the operations management of servers is outsourced, and the maintenance contract fee depends on the number of servers. So in order to lower the cost, it was necessary to reduce the number of servers by consolidating them. It was also an urgent matter to consolidate the servers in order to enable centralized management. Doing so, we could unify access rights management, which was handled differently in each department, as well as the backup management standards, and thereby strengthen data security

Yasuhiro Nishikawa, Expert of IT Planning

Mitsubishi Motors Corp.

We investigated the amounts of data on all the file servers at the time, the traffic, and the amount of data transmission, to decide on the specification. This study would decide whether to consolidate servers across locations, so we were very nervous.

Hideo Okada, Okazaki System Department

MMC Computer Research Ltd.

Mitsubishi motors





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