Comments on the draft.  HTH.

--aaron

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General

Should the draft address the issue of applications that want to go directly to a specific transport protocol and bypass TAPS? For example, this may affect capacity profiles predictions.

4.2.  Branching Order-of-Operations
....
   usable DNS results on one network may
not necessarily be the same as DNS results on another network due to
   local network entities, supported address families, or enterprise
   network configurations.

CDN cache assignment is another reason DNS results may vary by network interface.

4.5.  Completing Establishment
....
   an implementation may choose to hold
   onto fully established leaf nodes that were not the first to
   establish for use in future connections, but this approach is not
   recommended since those attempts were slower to connect and may
   exhibit less desirable properties.

Seems like there are other good reasons not to encourage holding duplicate connections open such as consuming valuable server resources.

6.2.  Handling Path Changes

Is there a realistic case where, say, a routing change causes a protocol to stop working. Should TAPS deal with this?

10.  Rendezvous and Environment Discovery
....
   o  Gathering Remote Endpoint Candidates

As in sec 4, I think it may be worth mentioning that DNS resolutions may vary by interface (e.g., with CDNS). Perhaps there should be a recommendation to perform DNS lookups separately for each interface to get the remote IP address.
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