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Re: some issues about IPSec



Folks,

>From my perspective, the major benefit of transport mode is that the
packet is processed with IP-lyer semantics.  I've yet to see a
specification for tunneling that:
	preserves the TTL/hop count semantics,
	doesn't mess with the Don't Fragment bit,
	accumulates record route data,
	sends that packet along the path specified by a source route
		contained in the (inner	IP header) or Routing Header,
	preserves the IPv6 flow label, etc.

Charlie


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