Date: Sun, 18 Aug 2002 11:09:11 -0600 From: Andy <seahorse51@attbi.com> To: Terry Lambert <tlambert2@mindspring.com>, Alfred Pythonstein <pythonstein@hotmail.com> Cc: hackers@FreeBSD.ORG, chat@FreeBSD.ORG Subject: Re: Insider's scoop: Why FreeBSD is dying Message-ID: <5.1.0.14.0.20020818110747.00ac1a98@mail.seahorse.wsonline.net> In-Reply-To: <3D5F6D87.76848740@mindspring.com> References: <F155HlM9QTfXPyGvQ3C0000b599@hotmail.com>
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Remember that Hotmail is a part of MSN, and they would have a need for that many IP addresses, what with their "Internet content" service. Andy At 03:48 08/18/2002, Terry Lambert wrote: >Wow. > >I guess I'll address the most important point that hit home for me >from that post... > >Examining the headers, it looks like Hotmail has a full class "B" >(64.4/16); that's surprising. Why the heck do they have a full >class B?!? If you are using load balancers for distribution, then >you basically need only enough IP addresses to provide publically >accessible VIPs to the various public services you export as seperate >entities. There's no *way* they have 65,534 (subtracting out the >unusable ones) of those! > >Seems to me, you could do all of Hotmail with well under a class >C, if that. You could *probably* do it with a /28, which is the >smallest BGP routable chunk UUNET supports. > >Does this seem odd to anyone else? Is Microsoft just an address >space pig, or what? Do they consider the IPv4 address space as >part of the company's valuation when making a purchase decision, >or is this some legacy thing with Hotmail that no one at InterNIC >bothered to correct, and they are just "address rich" by chance >(this seems most likely, to me)? > >Inquiring minds want to know. > >Maybe it's just so that if a host gets RBL'ed or otherwise >blacklisted, they can switch IPs, and won't have an interruption >of email service to their customers? If that's the case, that >implies the SPAM turnover on those things is on the other of one >65536th of the time it takes to get off a blacklist. That would >imply they are sending an *incredible* amount of SPAM (obviously, >that assumes a single VIP, which is really unlikely, but it's >still within an order of magnitude, asuming a LocalDirector or >other load balancer. > >Anyway, that's what I got from the post... > >-- Terry > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-chat" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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