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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Extensibility<br />
• <strong>OSPF</strong><br />
• New extensions require new LSAs (usually)<br />
• All routers must underst<strong>and</strong> new LSAs (usually)<br />
• IPv6 support will require new <strong>OSPF</strong> version<br />
• <strong>IS</strong>-<strong>IS</strong><br />
• New extensions require new TLVs (usually)<br />
• Fewer compatibility issues than <strong>OSPF</strong><br />
• Small community of interest (big <strong>IS</strong>Ps) with big<br />
vendor clout means faster rollout of extensions<br />
• Extendable for IPv6
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