1 WWW.EXTREMENETWORKS.COM Case Study: ArcelorMittal Ostrava Fully Integrated Network Solution for the Czech Republic’s Largest Steelmaker ArcelorMittal Ostrava is the largest steelmaker in the Czech Republic, and their local factory is a part of the ArcelorMittal steel and mining group. ArcelorMittal Ostrava‘s network environment has been running for twenty years, uniquely combining old and new technologies while maintaining efficiency and investing in cutting-edge IT solutions. The production and administrative areas of the business had run on Cisco Catalyst 6500 series technology. Some of those devices have been end-of-sale since April 2008. Additionally, the company had also used HP 3Com switches acquired within a separate storage system installation, as well as various indu

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