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Re: [RRG] What do we have consensus on?
On May 28, 2008, at 3:57 AM, Tony Li wrote:
|Tony suggested 3 branches:
|
|- Transport: this falls with #1 in the above
|- Map-n-encap: this is #2 in the above
|- Translation: I did not get exactly what this one is, if it is
| not the GSE rewrite.
|
|there was a debate between Tony and Brian at the time about whether
|SHIM6 is translation. I dont think I fully understood Tony's argument
|on why SHIM6 is a translation; may be Tony could try one more
|time here.
The way that I look at it, Shim6 establishes a set of 'identifiers'
that the
transport protocols will use and then plays some games to determine
the set
of 'locators' for network layer operations. Since it is doing
wholesale
swapping of the locators for the identifiers, I'd claim that it's
mostly a
translation approach.
Except that translation approaches where the translation state is fate-
shared with the transport above strike me as quite significantly
different from approaches where it is not.
In fact, this may be an even higher level branch of the decision tree
than map-n-encap vs. translation.
I think that it's clear that it's not actually changing transport.
Further,
it's pretty clear that while it is piggybacking some information, it
really
isn't going to the full-scale extent of a real encapsulation.
That said, I recall thinking that there was some validity to Brian's
position and at the same time thinking that it wasn't yet worth
worrying
about the specific details. I am, of course, very happy to revisit
this if
it becomes productive.
Tony
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