Orhan Ergun and Jeff Doyle talks about IPv6 design and deployment considerations in the Enterprise networks. They strongly advice you to consider IPv6 deployment in your network.
Why IPv6 in the Enterprise , what are the real business drivers for the IPv6 ?
Growth of IPv6 in the Enterprise Networks
Jeff Doyle’s advices to Service Providers
IPv6 Addressing design and management
IPv6 Design Alternatives
Core to Edge
Edge to Core