Re: [RRG] Thoughts on the RRG/Routing Space Problem

[Jari Arkko <jari.arkko@piuha.net>]

Robin,

>> The crux of the issue is whether there's any form of pushback for
>> users and organizations to insert their identifier space into
>> the global tables. If there is none, and there is no incentive
>> that makes users avoid that, the chances are that no amount of 
>> additional protocols will actually solve the fundamental problems
>> we have today.
>>     
>
> By "identifier space" I assume you mean the space which includes
> host addresses, with this being either traditional BGP-managed PI
> space - or the new kind of ITR-ETR managed "micronet" space, which
> does not involve any new route being advertised in the global (BGP)
> tables.
>   

Yes.

> A form of pushback would be that the traditional PI space winds up
> being significantly more expensive for many end-users than the new
> type of ITR-ETR managed "micronet" address space.
>   

Hmm. I think your argument is the wrong way around. It would of course
be great if we had new space that was significantly easier to get than
the current address space, and which would also be cheap.

But this would be appealing mostly for new entities that have not
contributed to the current bloat in the system so far. For instance, I
would personally be interested in that sort of an address space.

I'm not sure it would affect the current growth in the routing table
much. Lets review some of the basic characteristics of the situation:

- Getting PI space is possible.

- The cost of acquiring such space is negligible for organizations that
would be in a position to employ it; far, far lower than the cost of
equipment, for instance.

- Employing the new space instead of regular PI would imply getting some
new technology.

- The organization is capable of fulfilling its need with the existing
technology as well.

- The organization does not bear the costs caused to the rest of the
Internet by the injection of global routes.

Given these, I find it unlikely that the availability of even lower cost
address space would somehow affect the decisions that the organization
takes.

Jari


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