[ale] "Small Guy" redundant routing

[The Don Lachlan]

On 04/06/2011 09:40 AM, Jeff Hubbs wrote:
> I am becoming close to being equipped to host Web sites out of my house,
> expecting to have multiple sites per IP (which I expect to have a small
> number of - maybe 2 or 4) provided by some sort of business broadband
> (probably Comcast, as my other copper is taken up by AT&T Uverse and
> POTS).  Given the current IPv4/IPv6 situation, how should that look?

 From a network level? That will depend upon your provider; often, your 
provider hands you some IPs (still IPv4), you plug each public facing 
machine into the cable/dsl "modem" or into a switch attached to the 
"modem" and assign each its IP. You can also plug a router into the 
"modem" and then you need to either disable NAT for the hosts that you 
want public facing or you need to configure the router to pass routeable 
IP x.x.x.x to NAT'd non-routeable IP y.y.y.y. Fairly simple but it's a 
different howto for each router.

> And I still need to come to understand the entire end-to-end chain from
> Internet DNS and domain name hosting all the way to Apache vhost config
> as to how aaa.com, bbb.org, ccc.com, etc. as browsed from the Series of
> Tubes can come to live on a single server.

Yeah... How close are you to hosting web sites?

Start with a web search for "apache vhost howto" and kick that around 
for a little while.

-L


> On 4/6/11 1:02 AM, The Don Lachlan wrote:
>> On 04/05/2011 11:19 PM, Michael B. Trausch wrote:
>>> On Tue, 2011-04-05 at 10:31 -0400, Don Lachlan wrote:
>>> I Just really am wondering why the barrier-to-entry for the ability to
>>> announce routes from your own network is so high.  It isn't really a
>>> technical issue, just an issue of how much one is willing to pay for
>>> their pipe, at least as I understand it.
>> No and yes. No, it *is* a technical issue and yes, it is an issue of how
>> much one is willing to pay.
>>
>> Bob comes to me and says, "I want a IP." Ok, sure, no problem. Jane
>> comes to me and says, "I want 3 IPs." Ok, sure, no problem. Tom comes to
>> me and says "I want to advertise a subnet to the internet." Shit, dude,
>> that's not quite so easy. If he wants it, homeboy's gonna PAY.
>>
>> So, "no" and "yes."
>>
>> When you start advertising routes on the internet, you leave the realm
>> of Internet User and become Network Operator. Pakistan took down the
>> internet a few years back because it was trying to block YouTube. It
>> still could today. (Yes, it's more difficult but it still could. Shut
>> up.) The internet relies upon "good behavior" by the people involved and
>> the Network Operators are some higher-level individuals responsible for
>> enforcing that. Whatever your intent, a "best effort" fuck-up could have
>> serious repercussions because your "best effort" sucked. And what if
>> your intent was malicious? A Network Operator can't be an upgrade on an
>> ADSL or home cable package. I suspect there aren't m?any business DSL or
>> cable packages that allow you to advertise routes. (Quoting one
>> counter-example does not invalidate the entire argument, you pedants.)
>>
>> IPv6 resolves a lot of these issues. IPv4 has not yet and likely will
>> not ever. For both technical and logistical reasons, you, a home user,
>> will not advertise IPv4 subnets on the internet without cash or cred
>> behind it.
>>
>> And I return to... If you tell us what you're trying to do, we can
>> prolly come up with a plan that isn't completely ridiculous, where
>> ridiculous is defined as "How do I get $3k of services for $200?!?" From
>> a purely academic standpoint, I've tried to answer your question. To
>> resolve whatever underlying issue prompted your question, I'm still
>> uncertain if you have an answer.
>>
>> -L
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