Anshul Tanwar is a principal engineer at Cisco Systems, where he is known as a technologist with a combination of R&D expertise and business sensibility. During his tenure of more than 20 years at Cisco, Anshul has architected many routing and switching products used by large tier 1 mobile and Metro Ethernet service providers across the world. He has led the SyncE and PTP architecture definition and implementation for multiple access and pre-aggregation routers in Cisco. In his most recent role, Anshul was responsible for defining the deployment architecture of phase timing synchronization for one of the world's largest service provider LTE/LTE-A networks. He is also a co-inventor on three patents, including one covering synchronization.