Brocade Communications Systems Inc. (BRCD) said on Tuesday it would buy rival McData Corp. (MCDT) in a $713 million stock deal, bolstering its line of equipment for data storage networks to compete against Cisco Systems Inc. (CSCO). Both companies sell equipment that boosts the efficiency of corporate communications networks used for data storage, with Brocade best known for mid-range products known as data switches, while McData's market share is strongest in directors, which are high-end versions of data switches. "It's made sense for them to come together to take on Cisco for a long time," said Glenn Hanus, an analyst...