IS-IS and OSPF: Network Design Comparisons and ... - JANOG
IS-IS and OSPF: Network Design Comparisons and ... - JANOG
IS-IS and OSPF: Network Design Comparisons and ... - JANOG
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Protocol History<br />
• 1994<br />
• Cisco ships NLSP (rewriting <strong>IS</strong>-<strong>IS</strong> as side effect)<br />
• Large service providers need an IGP; <strong>IS</strong>-<strong>IS</strong> is<br />
recommended due to recent rewrite <strong>and</strong> <strong>OSPF</strong><br />
field experience (<strong>and</strong> to lesser extent, NSF<br />
CLNP m<strong>and</strong>ate)<br />
• 1995<br />
• Service providers begin deployment of <strong>IS</strong>-<strong>IS</strong><br />
• Cisco implementation firms up<br />
• Protocol starts to become popular in niche
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