RE: [DNA] Comments on draft-shim-dna-proactive-00.txt

[Alper Yegin <alper.yegin@samsung.com>]

> 
> I get your point after realizing that you make a distinction between
> trigger and hint in your draft. The gain of doing reachability test
> (with unicast RS/RA) in the case of weak hint could be less signaling
> overhead, especially in the downlink, and less disruption to
> routers/hosts. Consider that RS/RA exchange between hosts and routers
is
> changed from one-multiple-multiple to one-one-one.

The RA sent would be unicasted when solicited. So, the downlink traffic
amount is the same. Uplink traffic would be higher as it (RS) is
multicasted. [though some deployments may filter RS before it enters the
radio link. Good for security and bandwidth management]

Alper