Janet provides high-performance, highly reliable network services to research and education institutions across the United Kingdom. Their challenges are to deliver highly available network services, meet network needs of the UK's demanding research and education community and scale capacity as demand doubles every 18 months. They chose Juniper Networks to overcome these challenges. They have implemented Juniper Networks T1600, T640 Core Router and MX960 3D Universal Edge Router. The results of implementing Juniper Networks were enabled smooth migration to 100GbE in London and surrounding areas, it supports diverse applications, from \"Big data\" to streaming video and delivers superior end-user network experience.