2. 1. What is happening with the backhaul? 2. Requirements of the new 4G backhaul 2.1 Support present and future networks 2.2 High speed in upload and download links 2.3 Low latency and QoS 2.4 Multiprotocol and MPLS 2.5 Flexible: SLAs 2.6 Increase ARPU. Decrease CAPEX and OPEX 2.7 Multiple synchronization for all protocols 3. Graphic summary INDEX