On 11/15/12 10:41 AM, STARK, BARBARA H wrote:
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.
There are somewhat limited options in my understanding with 3gpp release
7 networks, this sounds like a relatively good idea given the
limitations but it's use generally seems like kind of a bad idea. That
said I'm in favor of bad options over no options, and I think it's
heartening to see operators try and make this work.
Not all of the devices on my home network do Wi-Fi.
really only one of them has to in the case of a bridge,
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.
The limit on the supported number of tethered devices is somewhat
arbitrary, a usb dongle in business style cpe doesn't have the same
limitations that my mifi does
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.
I would agree that if it's not easy it's likely not going to workable
general case. mobile phones that provide the bulk of the tethering
capability already bind to the homenet (as clients/hosts) so they've
already built the association necessary to offer service.
Barbara
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