The deal will bring better visibility into applications and improve the traffic-shaping capabilities in Blue Coat's ProxySG appliances. These are the areas of expertise around which Packeteer built its PacketShaper appliances, with the company only later branching out into WAN acceleration.
http://www.networkworld.com/news/2008/042108-blue-coat-buys-packeteer.html?fsrc=netflash-rss