Vivek Alwayn, CCIE No. 2995, is a senior manager with Accenture. He has more than 15 years of experience working with core transport technologies, MPLS, and optical networking. He has designed and implemented several large- scale WAN switched, MPLS, and optical networks for service provider and enterprise customers worldwide. He holds a bachelor's degree in electronics engineering and is currently working on his master's in telecommunications engineering. He authored the Advanced MPLS Design and Implementation title for Cisco Press and has published several technical papers. Vivek Alwayn is also an active member of the IEEE and IETF. He can be reached at email@example.com.