Remember Blade Network Technologies? Well, a year ago it was snapped up by IBM, and given the charter to network IBM's enterprise server and storage products, to provide a unified system. Trading firms - and exchanges - were big customers of BNT, so Low-Latency.com chatted to the company's founder Vikram Mehta, now vice president, System Networking, at IBM to find out how IBM is continuing to focus on that business, and about new collaborations within IBM.