Obtaining IPv6 Address Space and Connectivity
Obtaining address space and connectivity are generally so closely linked we deal with them in the one section here.
Getting IPv6 connectivity is in theory extremely easy. If you already have an existing IPv4 service, some of the tunnelling transition mechanisms discussed previously will suffice in the short term to get you connected to the greater IPv6 Internet. If you have no existing connection, or are looking to get an "IPv6-native" connection, you will have to talk to the ISPs serving your area. We will discuss the options here in greater detail later. Suffice it to say for the moment that getting IPv6 connectivity is approximately as hard as getting IPv4 connectivity.
Obtaining address space in IPv6 is also, in theory, extremely easy for the vast majority of the organizations who might want it. The hard and fast rule is: go to your upstream provider[5] and they will provide you with address space. This address space will be from the allocation of the provider, and is known as PA, or Provider Aggregate space. In this case your upstream provider is determined by who you get your IPv6 connectivity from, so this may be your ISP, a tunnel provider elsewhere in the Internet, or even the 6to4 mechanism.
If your upstream provider is your ISP or a tunnel broker, they should tell you which prefixes to use. In the case of an ISP you'll probably have to ask them to allocate you a prefix, in the case of a tunnel broker you'll probably be allocated ...
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