> > But when (single stack) IPv6 gets offered on that tether, that router will
> > only have a single /128 address. Hmm.

 > http://tools.ietf.org/html/draft-byrne-v6ops-64share-03 is one proposal.

Which, I suspect, is how the router would get that single /128 address. That 
works nice for the 3GPP tethering device to know it has a /64 that it can offer 
for SLAAC use to tethered (non-3GPP) devices to self-assign a /128. It's not so 
useful for my tethered (non-3GPP) off-the-shelf home networking router 
connected out its WAN port to the tethering device through an Ethernet/Wi-Fi 
bridge, to provide addresses to the home network on its LAN.

Not all of the devices on my home network do Wi-Fi. And even if they did, 
homing them all to point to the tethering device (many of which only support 3 
or so tethered devices) would require effort. It's much easier for me to 
configure a single Ethernet/Wi-Fi bridge to point to the tethering device, and 
plug that into the WAN port of a regular home router. I know how to do this (in 
the IPv4 world). I could even describe to my mother-in-law how to do this.
Barbara

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