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Re: a radical proposal (Re: protocols that don't meet the need...)
JA> Date: Thu, 16 Feb 2006 12:44:27 -0500 JA> From: Joe Abley JA> Personally, if I was going to multi-home, I would far prefer that my various JA> transit providers don't cooperate at all, and have sets of peers and/or JA> upstream transit providers that are as different as possible from each JA> others'. The last thing I need are operational procedures which are shared JA> between them. The biggest sharing would be IP assignment. Let 'A' start at one end of the pool, 'B' at the other, and they'll meet in the "middle". When one hits the boundary, it can be moved. "You're multihoming with 'A' and with us? Okay, fill in the box on your router that says 'ASN' with '64511'." JA> If all you want is last-mile redundancy, surely you can just attach twice to JA> the same ISP and avoid all the routing complications completely? Naturally. JA> I get the feeling that there's a lot of solutions-designing going on in this JA> thread without the benefit of prior problem-stating. Problem: Consumers want to multihome. They may have a dynamic /32, or a /27 if they're "big". They want to do this right here, right now, today, with IPv4, using two separate upstreams. http://www.internetworldstats.com/stats.htm claims ~1B internet users worldwide. Let's pretend that 1% of those were to SOmultiHOme, and that no routes are coalesced. That's 10M new routes. I argue that the current combination of technology and administrative policy cannot support that. Indeed, if it could, _why_ are providers not accepting /32 announcements? If there's no technical reason not to, and a financial reason to, why is it not done? After all, hardware is cheap, upgrading is a fact of life, and allowing SOHO users to multihome their /29 makes money! Why wait for IPv6 to use /32 perfect match? Let's do it today, with IPv4! Eddy -- Everquick Internet - http://www.everquick.net/ A division of Brotsman & Dreger, Inc. - http://www.brotsman.com/ Bandwidth, consulting, e-commerce, hosting, and network building Phone: +1 785 865 5885 Lawrence and [inter]national Phone: +1 316 794 8922 Wichita ________________________________________________________________________ DO NOT send mail to the following addresses: firstname.lastname@example.org -*- email@example.com -*- firstname.lastname@example.org Sending mail to spambait addresses is a great way to get blocked. Ditto for broken OOO autoresponders and foolish AV software backscatter.