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What is an LIR?

What is an LIR?

What is an LIR?

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PA versus PI Assignments<br />

• Provider Aggregatable assignments<br />

- <strong>LIR</strong> assigns to End User<br />

- Must renumber when ch<strong>an</strong>ging providers<br />

- Only way to effectively scale the Internet!<br />

• Provider Independent assignments<br />

- RIPE NCC assigns to End User<br />

- Portable<br />

- C<strong>an</strong> be difficult to route<br />

- Next assignment not aggregatable<br />

- Affects yearly fee<br />

- Increases size of the routing tables<br />

<strong>LIR</strong> Training Course Spring 2007<br />

http://www.ripe.net 70

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