From owner-freebsd-chat Sun Aug 18 10: 9:22 2002 Delivered-To: freebsd-chat@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D6A3837B400; Sun, 18 Aug 2002 10:09:16 -0700 (PDT) Received: from wso-h001.wsonline.net (12-254-8-189.client.attbi.com [12.254.8.189]) by mx1.FreeBSD.org (Postfix) with ESMTP id 61AF243E6E; Sun, 18 Aug 2002 10:09:15 -0700 (PDT) (envelope-from seahorse51@attbi.com) Received: from seahorse.attbi.com (trilluser@seahorse [192.168.1.101]) by wso-h001.wsonline.net (8.12.5/8.12.5) with ESMTP id g7IH9CdI081616; Sun, 18 Aug 2002 11:09:14 -0600 (MDT) (envelope-from seahorse51@attbi.com) Message-Id: <5.1.0.14.0.20020818110747.00ac1a98@mail.seahorse.wsonline.net> X-Sender: seahorse@mail.seahorse.wsonline.net X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Sun, 18 Aug 2002 11:09:11 -0600 To: Terry Lambert , Alfred Pythonstein From: Andy Subject: Re: Insider's scoop: Why FreeBSD is dying Cc: hackers@FreeBSD.ORG, chat@FreeBSD.ORG In-Reply-To: <3D5F6D87.76848740@mindspring.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org 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