I am a Cisco certified IOS XR Specialist, and certified Data Center Specialist, I also hold CCIE Service Provider certification. I have been in the industry for more than 15 years. I am a professional consultant with rich experiences from many multi-million dollar projects (at&t, sprint, etc.) and vendor experiences from Cisco, Nortel. IPv6, MPLS, Multicast, Routing, Switching, etc. and varies Cisco products are all my expertise. I can provide solutions to either large scale service providers, or small enterprises with timely response and high quality.