Redouane MEDDANE is an author and blogger 3*CCNP Collaboration Security and Enterprise, . Redouane MEDDANE is 3xCCNP Collaboration, Security and Enterprise, F5 BIG IP Administrator and he is a published author of some of the most important OSPF Protocol, Security and Collaboration books in the world titled: OSPF Demystified With RFC, Network Security All-in-one, and Dial Plan and Call Routing Demystified on CUCM, Cisco Meeting Server Deploy Implement Maintain Cisco Collaboration Conferencing. He is also a blogger at ipdemystify.com and writes articles about collaboration and security to demystify the most complex topics. His books are known for their technical depth and accuracy especially the OSPF Demystified With RFC book, which is considered as the best OSPF book in the world and named "One of the best OSPF ebooks of all time" by BookAuthority It gives you a hint at the ability to explain complex topics with remarkable ease.