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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: IPv6
SS> Date: Thu, 12 Jun 2003 23:48:18 -0500 SS> From: Stephen Sprunk SS> Most L3 switches shipping today (e.g. the product in question) have SS> particular ethertypes and destination address offsets hardcoded into their SS> ASICs. It's not a matter of supporting 128-bit addresses -- they simply SS> doesn't understand IPv6's header any more than they do DECnet or AppleTalk. Yes... SS> While allocation policies may have an effect on how IPv6 FIBs are most SS> efficiently stored, address length is a fairly small part of the problem ...but there's no sense making the tries more unwieldy than they need to be. SS> when you're talking about redesigning every ASIC to handle both IPv4 and SS> IPv6. Less redesign required if reusing the existing IPv4 lookup. Eddy -- Brotsman & Dreger, Inc. - EverQuick Internet Division Bandwidth, consulting, e-commerce, hosting, and network building Phone: +1 (785) 865-5885 Lawrence and [inter]national Phone: +1 (316) 794-8922 Wichita ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Date: Mon, 21 May 2001 11:23:58 +0000 (GMT) From: A Trap <[email protected]> To: [email protected] Subject: Please ignore this portion of my mail signature. These last few lines are a trap for address-harvesting spambots. Do NOT send mail to <[email protected]>, or you are likely to be blocked.
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