What is an LIR?

What is an LIR? What is an LIR?

05.08.2013 Views

Terminology • Allocation: - address space set apart, by the RIPE NCC for LIR’s and its customers’ future use • Assignment: - address space in use in networks (End User, downstream ISP or LIR’s own infrastructure) - made from allocation or sub-allocation • Assignment Window: - maximum nr of addresses an LIR can assign without RIPE NCC’s approval. New LIR: AW=0 LIR Training Course Spring 2007 http://www.ripe.net 18

PI versus PA Assignments No Aggregation BGP Announcements (4) ISP Customer Assignments Provider Independent (Portable Assignments) LIR Training Course Spring 2007 Aggregation BGP Announcement (1) Customer Assignments Provider Aggregatable (Non-portable Assignments) LIR Allocation http://www.ripe.net 19

PI versus PA Assignments<br />

No Aggregation<br />

BGP Announcements (4)<br />

ISP<br />

Customer Assignments<br />

Provider Independent<br />

(Portable Assignments)<br />

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

Aggregation<br />

BGP Announcement (1)<br />

Customer Assignments<br />

Provider Aggregatable<br />

(Non-portable Assignments)<br />

<strong>LIR</strong><br />

Allocation<br />

http://www.ripe.net 19

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