We need connect our two data centers to 3 other remote sites via two ISPs MPLS WAN. Each ISP pipe will be running 200Mbps. Basically we have 4 classes of traffic, Email, Images, VOIP/Vedio and Others. Email and Images are heavy traffic. which of the following could be the better solution?
1. Split the traffic into two IPSs WAN pipes, such as Email and Images go to ISP A and the rest go to ISP B.
2. Load balance between these two IPSs