By Tim Rooney, Director, Project Management Team at BT Diamond IP
Developing an IPv6 address plan can seem like nothing more than a massive headache. Such a plan defines how you intend to allocate subnets from the IPv6 block you received from your ISP or Internet Registry — it’s important stuff. It’s the kind of thing you need to ensure is done correctly.
The first step is defining how much address space is required across your IP network to give you an idea of IPv6 address capacity for those devices requiring it. You can use your current IPv4 address allocation database as a guide to define the active utilisation of your IPv4 address space and should provide a solid basis for IPv6 capacity needs, barring new network initiatives that increase address space usage. Once you’ve defined where in your network you require IPv6 addresses and how much is needed, you need to then consider how to perform your allocations. [Read more...]