[e2e] Protocols breaking the end-to-end argument

[rick jones]

On Oct 23, 2009, at 3:58 AM, Jeroen Massar wrote:

> Jaime Mateos wrote:
>> Hi,
>> I'm working on a project about the current challenges the Internet is
>> presenting to the end-to-end argument. I'd be interested to know  
>> about
>> any protocols, currently in use, that break the end-to-end  
>> principle and
>> the context where they are used.
>
> Everything that needs an NAT helper, thus any protocol that embeds
> addresses or ports, thus most games, everything that has a listening
> port where the listening port is not on a public IP or firewalled  
> away.

Isn't the sense incorrect there?  I always thought it was the NAT  
itself, and its need for helpers that was in opposition to the quasi- 
mythical end-to-end principle?

rick jones
Wisdom teeth are impacted, people are affected by the effects of events