Juniper executives said the technologies are "key elements in addressing the performance and security issues associated with an increasingly distributed and mobile enterprise."
The Peribit deal is valued at about $337 million in cash, stock, and assumed options. The Redline acquisition is valued at approximately $132 million in cash and assumed stock options.
According to Juniper, WAN optimization allows distributed enterprises to deliver LAN-like application performance over the WAN. AFE technology boosts the performance and scalability of web-enabled enterprise data centers and sites, the company said.