There is now barely a week that goes by without a multi-$ billion merger between chip vendors, and as the ink dries on the Qualcomm NXP deal from last week, Broadcom said it will hoover up $2.5 billion San and IP chip player Brocade for $5.9 billion. It plans to sell off the IP network side of the business, which should lead to an annual revenue lift of around $1.8 billion for Broadcom. Brocade operates in 3 segments the largest of which is San (Storage Area Networking), as well as IP Networking and Global Services. It also acquired WiFi specialist Ruckus in May this year for $1.3 billion, in cash and shares, which would have bumped its revenue above $2.5…