Provider Independent Address Space

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Provider Independent Address Space (PI-addresses) are Internet Protocol addresses assigned by Regional Internet Registries directly to an end-user organization, without going through an Internet Service Provider.[1]

It offers the end-user the opportunity to change service providers without changing addresses, and in particular to use multiple service providers at once in a multi-homed configuration, but creates problems for address aggregation as described in Classless Inter-Domain Routing (CIDR).

[edit] References

  1. ^ FAQs

[edit] See also

[edit] Links

Sample BGP configuration for multihomed network

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