From their website:
Brocade is an industry leader in data center networking solutions and services that enable organizations to manage their most vital information assets. It’s no wonder that Global 500 companies rely on Brocade technology to keep their businesses running around the clock.
Brocade has pioneered the technologies that enable highly reliable and secure data center connectivity. Today most of the world’s data flows through Brocade equipment and data center networks built on Brocade technology.