[EME] The virtual circuit trap mentioned in the EME charter - need for clarification

[Rémi Després <[e-mail]>]

The EME charter seems to me very pertinent, and I like its clarification 
of some real problems.
Although I have been involved in Internet protocols for years, and have 
been active in the 70s.on virtual circuits (by the way operational 
worldwide, and very successful, in the 80s-early 90s), I don't 
understand the sentence of the charter: which says "Candidate protocols  
should avoid falling into the virtual circuit trap, where routers  lose 
the ability to remedy failures locally".

Could anyone, clarify what is meant?

In particular,: is it understood that NATs have fallen into that trap, 
or have avoided it ?

Thanks.

Rémi Després


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