[arin-ppml] ARIN Multiple Discrete Networks Policy

Kevin Blumberg kevinb at thewire.ca
Sun Oct 2 22:32:18 EDT 2011


I've been following this thread and a couple questions come to mind.

1) In the case of a dispute between ARIN and a member what recourse mechanism is there?
2) How many times has this policy been accepted/rejected in the past 2 years? 

If I had  a scenario like this:

Diverse Paths

Diverse Paths

Would the MDN policy apply? If I decided later on to add an interconnection to move certain traffic
between the cities would the MDN policy still apply?

Kevin Blumberg
T 416.214.9473 x31
F 416.862.9473
kevinb at thewire.ca  

-----Original Message-----
From: arin-ppml-bounces at arin.net [mailto:arin-ppml-bounces at arin.net] On Behalf Of John Curran
Sent: Sunday, October 02, 2011 5:58 PM
To: Jimmy Hess
Cc: arin-ppml at arin.net List
Subject: Re: [arin-ppml] ARIN Multiple Discrete Networks Policy

On Oct 2, 2011, at 5:39 PM, Jimmy Hess wrote:

> n Sat, Oct 1, 2011 at 7:07 PM, John Curran <jcurran at arin.net> wrote:
> [snip]
>> that they can readily reallocate their existing allocations across 
>> interconnected network infrastructure have been determined NOT to 
>> have "multiple discrete networks", even if such reallocation would 
>> result in a routing impact.
> The determination is flawwed.   First of all, it's not mentioned in
> the policy that
> "networks that are capable of readily reallocating their existing 
> allocations across interconnected
> network infrastructure with routing impact"    are to be considered
> non-discrete.

Jimmy - Read the policy text. There is no definition of a _discrete_ network contained therein.  It's fairly easy to distinguish some discrete networks from the examples, but it is not clear at all how interconnected network infrastructure qualifies as "discrete".

> If the applicant can determine that their networks are discrete based 
> on the criteria for operating discrete networks, then their networks 
> are discrete, regardless of the technical possibility of reallocating 
> existing allocations.

Correct, as I note above.

> Second,   just because it's technically feasible for "existing
> allocations to be reallocated"
> across interconnected network infrastructure,  does not mean it would 
> be appropriate to do so.  There may be a performance or cost impact 
> that causes this to be extremely
> problematic.     There may be a reliability impact with regards to the
> operator's network
> design, and survivability requirements,   there might be legal issues, etc.

Exactly, and we ask exactly those type of questions searching for a compelling need for their treatment of their interconnected network infrastructure as "multiple discrete networks".


John Curran
President and CEO

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