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Re: IPv6 networking: Bad news for small biz



On 4/8/12 15:54 , Steven Bellovin wrote:
> 
> On Apr 7, 2012, at 2:30 40PM, Carlos M. Martinez wrote:
> 
>> Sorry for arriving late at the party.
>>
>> If people want NAT so badly, let them have it. It will be better to have a standardized NATv6 than the multiple, non-standard and sometimes downright bizarre implementations of NAT we have now. Just keep it in a way such as that the future Internet MUST be a place were NATs are OPTIONAL and not FORCED down one's throat like they are now.
> 
> The problem is that protocol designs these days have to account for NAT, which often makes things far more complicated than necessary.
>>
>> I also believe that if ULAs hadn't been named ULAs but RFC1918 for IPv6 or "private IPv6 space" we wouldn't be having much of this conversation. Many, many people outside these IETF mailing lists just don't grok that ULAs are little more than that. I also tend to panic a little when people want to deprecate ULAs. I just don't see the point of doing this, while I keep seeing a lot of use cases for private space.
>>
>> I hate NATs with port translation on single public IPs. Things break, many times inexplicably. People have this rather inexplicable warm feeling that they are somewhat 'safer' behind NATs. I picture them standing in front of a tornado with an umbrella in hand and feeling protected.
>>
>> However, I can live with prefix translation, in fact, I believe it can be just the tool that small businesses need to save themselves renumbering efforts and keep some of the warm feeling as well.
> 
> That's locator/ID split

it's not unilateral either, the party that wants to reach me a lisp
overlay also needs to have it available.

Which gets you to the problem of incentives.


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