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IPv6 Default Allocation - What size allocation are you giving out

Subject: IPv6 Default Allocation - What size allocation are you giving out
From: rdobbins at arbor.net (Roland Dobbins)
Date: Fri, 10 Oct 2014 04:18:33 +0700
In-reply-to: <CAPkb-7AKPnJq7jUFJsacfeK4aSOMqx-UKbQ_BjETi6RHg4M8MQ@mail.gmail.com>
References: <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <CA+uSw_WMnfMkfDmMrQqZCcSve0TBvEaZMZArTUasdDPAy8-HnA@mail.gmail.com> <CAP-guGVNGj27+u7V-sf=Gq=oT9BxXN31V9=6tv7THx0xJyhz1w@mail.gmail.com> <CA+uSw_VySgc4FG6kjQDhRKZvmFkhhpx=2B2efu2f9jYLiFDxEA@mail.gmail.com> <CAPkb-7Cgo8pLL5QU18bhS1BH0RXnPdj30SzeujbPMN_NefThGQ@mail.gmail.com> <[email protected]> <CAPkb-7AeyvwJcZHsL8dAp3gm_fopq8a3xGxPfdG=gZZ9w=fqag@mail.gmail.com> <[email protected]> <CAP-guGU+rPVQdUq_2_LBm7W9VNEQSJOLZTeSqLnme5h_CySr3Q@mail.gmail.com> <CAPkb-7AKPnJq7jUFJsacfeK4aSOMqx-UKbQ_BjETi6RHg4M8MQ@mail.gmail.com>

On Oct 10, 2014, at 4:13 AM, Baldur Norddahl <baldur.norddahl at gmail.com> wrote:

> My colleges wanted to completely drop using public IP addressing in the infrastructure.

Your colleagues are wrong.  Again, see RFC6752.

> I am wondering if all the nay sayers would not agree that is it better to have a single public loopback address shared between all my interfaces, than to go with private addressing completely?

This is a false dichotomy.

> Because frankly, that is the alternative.

It isn't the only alternative.  The *optimal* alternative is to use publicly-routable link addresses, and then protect your infrastructure using iACLs, GTSM, CoPP, et. al.

----------------------------------------------------------------------
Roland Dobbins <rdobbins at arbor.net> // <http://www.arbornetworks.com>

                   Equo ne credite, Teucri.

    		   	  -- LaocoÃ¶n

Follow-Ups:
- IPv6 Default Allocation - What size allocation are you giving out
  - From: baldur.norddahl at gmail.com (Baldur Norddahl)

References:
- IPv6 Default Allocation - What size allocation are you giving out
  - From: ESundberg at nitelusa.com (Erik Sundberg)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: marka at isc.org (Mark Andrews)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: bmanning at isi.edu (manning bill)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: marka at isc.org (Mark Andrews)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: paigeadele at gmail.com (Paige Thompson)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: marka at isc.org (Mark Andrews)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: corbe at corbe.net (Daniel Corbe)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: owen at delong.com (Owen DeLong)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: richard.hicks at gmail.com (Richard Hicks)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: bill at herrin.us (William Herrin)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: richard.hicks at gmail.com (Richard Hicks)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: baldur.norddahl at gmail.com (Baldur Norddahl)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: owen at delong.com (Owen DeLong)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: baldur.norddahl at gmail.com (Baldur Norddahl)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: rdobbins at arbor.net (Roland Dobbins)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: bill at herrin.us (William Herrin)
- IPv6 Default Allocation - What size allocation are you giving out
  - From: baldur.norddahl at gmail.com (Baldur Norddahl)

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