Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Dan Lanciani
Harald Tveit Alvestrand <[EMAIL PROTECTED]> wrote: |--On søndag, november 10, 2002 15:25:56 -0500 Dan Lanciani |<[EMAIL PROTECTED]> wrote: | |> As long as we are stuck with a totally non-scalable address allocation |> system (remember, provider-based aggregated addressing consumes address |> spac

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread John Bartas
Hi All, Maybe, but I think most Network administrators understand that using guess-what-I-hijacked addresses is risky. Instead I bet you'll see them rolling their own NATv6 solutions. It's lot easier for us v4-ish old-timers to understand than some of what I've read here today :-) -JB- M

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Keith Moore
> Network administrators want private (read: not publicly routable) > addresses. a) they are not the same thing b) I also maintain that this is not really what network administrators want. they may equate what they want to this, but see a. Keith ---

RE: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Michel Py
Margaret, > But, why make them inherently private, non-routable > addresses? If we come up with a reasonable way to > allocate globally-unique, provider-independent > addresses, is there a reason to require that they > be non-globally-routable? Network administrators want private (read: not publi

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Margaret Wasserman
Hi Brian, > Welcome to NATv6. It's our job to stop that happening. I agree, and I actually consider our job to be even bigger than this... We need to create the technologies and policies that will enable a globally-addressable, "flat" IPv6 Internet. We need to understand and document how a

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Keith Moore
> > > > > I'm not sure what we gain by doing that, as opposed to setting aside > > > > > private address space from any global prefix by filtering it at > > > > > administrative boundaries... > > > > > > > > we need the ability to assign global prefixes to sites that aren't > > > > directly connec

RE: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Bound, Jim
n > Cc: IPng > Subject: Re: Address allocation schemes (Re: Naming and site-local) > > > > I think NATv6 is inevitable, because some site policy makers will > > demand it. > > which is why we need to make it very c

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Keith Moore
> Okay. > > But, why make them inherently private, non-routable addresses? > If we come up with a reasonable way to allocate globally-unique, > provider-independent addresses, is there a reason to require > that they be non-globally-routable? those would be okay for my purposes. because I see gl

RE: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Bound, Jim
> Er, but I use global addresses every day on good ol' IPv4, > within my employer's internal network, and they work just > fine when external connectivity is broken. I see no advantage > in local addresses here. Same here for me. I see not advantage at all and lots of pain. /jim ---

RE: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Michel Py
Harald, >> Michel Py wrote: >> What would be the difference between this and the good >> old "8K DFZ", except one more digit and that ISPs could >> get a block matching their size instead of what used to >> be called a TLA? > Harald Tveit Alvestrand wrote: > Apart from not having any administrati

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Pekka Savola
On Tue, 12 Nov 2002, Keith Moore wrote: > > > > I'm not sure what we gain by doing that, as opposed to setting aside > > > > private address space from any global prefix by filtering it at > > > > administrative boundaries... > > > > > > we need the ability to assign global prefixes to sites that

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Pekka Savola
On Tue, 12 Nov 2002, Keith Moore wrote: > > I'm not sure what we gain by doing that, as opposed to setting aside > > private address space from any global prefix by filtering it at > > administrative boundaries... > > we need the ability to assign global prefixes to sites that aren't > directly co

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Keith Moore
> > > I'm not sure what we gain by doing that, as opposed to setting aside > > > private address space from any global prefix by filtering it at > > > administrative boundaries... > > > > we need the ability to assign global prefixes to sites that aren't > > directly connected to the public Intern

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Margaret Wasserman
> I'm not sure what we gain by doing that, as opposed to setting aside > private address space from any global prefix by filtering it at > administrative boundaries... we need the ability to assign global prefixes to sites that aren't directly connected to the public Internet, even though they

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Keith Moore
> Do you meant to imply that a separate block of addresses should be > set aside for non-globally-routable globally-unique addresses? yes. > I'm not sure what we gain by doing that, as opposed to setting aside > private address space from any global prefix by filtering it at > administrative boun

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Margaret Wasserman
Do you meant to imply that a separate block of addresses should be set aside for non-globally-routable globally-unique addresses? I'm not sure what we gain by doing that, as opposed to setting aside private address space from any global prefix by filtering it at administrative boundaries... Marg

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Keith Moore
> As I said before, it seems that everyone agrees that a globally unique > site-local would be the way to go, but there are two major roadblocks to > remove on that path: > - Make sure that site-locals are not globally routable (I posted some > comments about this earlier) seems fairly easy. the

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Tim Chown
On Tue, Nov 12, 2002 at 06:21:42PM +0200, Markku Savela wrote: > > > Er, but I use global addresses every day on good ol' IPv4, within my > > employer's internal network, and they work just fine when external > > connectivity is broken. I see no advantage in local addresses here. > > Well, but th

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Markku Savela
> > > - it seems that it would be advantageous for nodes within the site to > > > use sitelocals whenever possible, especially if your global > > > connection is via flaky connection. > > > > Indeed, but this is the dilemma between preference for globals to avoid the > > site-local scoping "h

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Keith Moore
> Those who are possessive are those who run services of one > kind or another. I think this is a bit too specific - until we produce a good way of doing renumbering, any site with more than a few hosts has good reason to want its addresses to be stable, whether or not it thinks it is running 'se

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Keith Moore
> I think NATv6 is inevitable, because some site policy makers will demand > it. which is why we need to make it very clear that NAT is not acceptable in IPv6. IETF IPng Working Group Mailing List IPng Home Page:

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Brian E Carpenter
Tim Chown wrote: > > On Tue, Nov 12, 2002 at 05:12:22PM +0200, Markku Savela wrote: > > > > Why should it be a problem? > > > > - it seems that it would be advantageous for nodes within the site to > > use sitelocals whenever possible, especially if your global > > connection is via flaky conn

RE: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Michel Py
> Margaret Wasserman wrote: > But, what I don't understand is how the use of > overlapping site-local addresses on globally-attached > networks is any better than NAT. It's not as bad (does not break apps that embed port numbers in the payload, for example) but this is an irrelevant argument: it s

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Michael Thomas
Brian E Carpenter writes: > David Conrad wrote: > > > my personal opinion is that the only people who feel any possessive > > > instinct towards 2002:d90d:1cca:2:210:dcff:fe5a:f1fd are the people who > > > have to reconfigure other stuff when it changes. > > > > Or the people who are aff

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Tim Chown
On Tue, Nov 12, 2002 at 05:12:22PM +0200, Markku Savela wrote: > > Why should it be a problem? > > - it seems that it would be advantageous for nodes within the site to > use sitelocals whenever possible, especially if your global > connection is via flaky connection. Indeed, but this is the

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Margaret Wasserman
I understand the theoretical issue, but is this a real-life issue? How many huge non-globally-connected IP networks will ever need to join the Internet? Margaret At 09:25 AM 11/12/02, Tim Chown wrote: On Tue, Nov 12, 2002 at 12:07:03PM +0100, Brian E Carpenter wrote: > > So, why not simply de

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Markku Savela
> From: Tim Chown <[EMAIL PROTECTED]> > I think a site getting global connectivity would find it hard to migrate > instantly from site-locals to globals. The suggestion to prefer globals > over site locals in the default address selection spec, along with Brian's > suggested text a couple of mai

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Tim Chown
On Tue, Nov 12, 2002 at 12:07:03PM +0100, Brian E Carpenter wrote: > > So, why not simply deprecate SL for sites that have at least one > global prefix? Or am I too simple minded? I think a site getting global connectivity would find it hard to migrate instantly from site-locals to globals. The

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Brian E Carpenter
t; > Gary > > Margaret Wasserman <[EMAIL PROTECTED]>@sunroof.eng.sun.com on 11/12/2002 > 06:23:56 AM > > Sent by: [EMAIL PROTECTED] > > To: Brian E Carpenter <[EMAIL PROTECTED]> > cc:IPng <[EMAIL PROTECTED]> > > Subject:Re: A

RE: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Bound, Jim
I am also of this simple mind. /jim [In matters of style, swim with the currentsin matters of principle, stand like a rock. - Thomas Jefferson] IETF IPng Working Group Mailing List IPng Home Page: http

RE: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Bound, Jim
> But, what I don't understand is how the use of overlapping > site-local addresses on globally-attached networks is any > better than NAT. It is not. Same problems that NAT has. And loss of e2e: apps, security, and mobility for those who only have those SLs. Not good. As a note industry wi

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread William_G_Allmond
OTECTED]>@sunroof.eng.sun.com on 11/12/2002 06:23:56 AM Sent by:[EMAIL PROTECTED] To:Brian E Carpenter <[EMAIL PROTECTED]> cc: IPng <[EMAIL PROTECTED]> Subject:Re: Address allocation schemes (Re: Naming and site-local) Hi Brian, >So, why not simply deprecat

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Margaret Wasserman
Hi Brian, So, why not simply deprecate SL for sites that have at least one global prefix? Or am I too simple minded? If you are too simple minded, then I am right there with you. My making this exact suggestion is what started the 500+ message mail storm two weeks ago that has received so muc

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Brian E Carpenter
below... Margaret Wasserman wrote: > > Hi Brian, > > > > Welcome to NATv6. > > > >It's our job to stop that happening. > > I agree, and I actually consider our job to be even bigger > than this... > > We need to create the technologies and policies that will enable a > globally-addressable, "f

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Margaret Wasserman
Hi Tim, Our "job" is to provide a well-engineered alternative that the market will demand. Excellent point, and well put. Margaret IETF IPng Working Group Mailing List IPng Home Page: http://playground

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Tim Chown
On Tue, Nov 12, 2002 at 09:52:37AM +0100, Brian E Carpenter wrote: > David Conrad wrote: > > > > Welcome to NATv6. > > It's our job to stop that happening. > > Also, the vast majority of Internet users are not in the least > possessive about their IP address; it's different every time they > con

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-12 Thread Brian E Carpenter
David Conrad wrote: > > Hi, > > On 11/11/02 9:15 AM, "Harald Tveit Alvestrand" <[EMAIL PROTECTED]> wrote: > > my personal opinion is that the only people who feel any possessive > > instinct towards 2002:d90d:1cca:2:210:dcff:fe5a:f1fd are the people who > > have to reconfigure other stuff when it

RE: Address allocation schemes (Re: Naming and site-local)

2002-11-11 Thread Harald Tveit Alvestrand
--On mandag, november 11, 2002 15:48:17 -0800 Michel Py <[EMAIL PROTECTED]> wrote: Harald Tveit Alvestrand wrote: metro addressing? You can have a quick look at this, WIP. http://arneill-py.sacramento.ca.us/ipv6mh/geov6.txt hey - if Bergen gets a /32, Trondheim should get one too :-) but th

RE: Address allocation schemes (Re: Naming and site-local)

2002-11-11 Thread Michel Py
> Harald Tveit Alvestrand wrote: > metro addressing? You can have a quick look at this, WIP. http://arneill-py.sacramento.ca.us/ipv6mh/geov6.txt > btw, my current naive prediction of the way the > Internet will evolve is that unless new invention > occurs, the default-free zone will eventually b

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-11 Thread David Conrad
Hi, On 11/11/02 9:15 AM, "Harald Tveit Alvestrand" <[EMAIL PROTECTED]> wrote: > my personal opinion is that the only people who feel any possessive > instinct towards 2002:d90d:1cca:2:210:dcff:fe5a:f1fd are the people who > have to reconfigure other stuff when it changes. Or the people who ar

Re: Address allocation schemes (Re: Naming and site-local)

2002-11-11 Thread Harald Tveit Alvestrand
--On mandag, november 11, 2002 09:02:54 -0800 Michael Thomas <[EMAIL PROTECTED]> wrote: I think this probably boils down to something completely non-technical: do people view IP addresses as "addresses" ala street addresses, etc, or do they view them as possessions like (now) phone numbers and