Pulikkal Sekharan Raju is a customer support engineer in the High Touch Technical Support group for Cisco. He has over 13 years of experience in electronics and communications. His technical expertise is Border Gateway Protocol, Open Shortest Path First protocol, MPLS, Multicast, Multicast Virtual Private Network Layer 3 Virtual Private Network (MVPN L3VPN), and Layer 2 Virtual Private Network (L2VPN). He has also served as a network engineer for CMC Ltd and a team lead for Remote Management Services. He holds a bachelor of technology degree in electronics and communications from M G University and holds CCIE certification.