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story category SBC: Wireless to Wi-Fi
Promises network roaming phones by 2006
(old news - 11:34AM Thursday Oct 14 2004)
tags: business · wireless
SBC this week announced the company would use its growing number of Wi-Fi access points to integrate connectivity with Cingular wireless service. The company's CTO has announced that by 2006, the wireless provider will offer phones that allow users to float between the Cingular network and SBC hotspots. As Wi-Fi Networking News explores, SBC has gone from zero to hero on the hotspot front, signing marketing deals that offer users access to thousands of hotspots.

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Forums » SBC: Wireless to Wi-Fi
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navalpatel

join:2003-07-28
Lubbock, TX

IPv6

I asked this question in the IPv6 forums without a response so I suppose I could try here. Since IPv6 does not allow private network IPs ... what will happen to all these hotspots when IPv6 becomes the norm? Just a question that I've been thinking about for a while. Will SBC have to provide so many IPs to support so many users.

SBC -- 32 IPS (example) --> Switch --> 32 Access Points... Is that how it will have to work? I would love some clarification...

pnh102
Reptiles Are Cuddly And Pretty
Premium
join:2002-05-02
Mount Airy, MD
·Comcast

Re: IPv6

said by navalpatel See Profile:
I asked this question in the IPv6 forums without a response so I suppose I could try here. Since IPv6 does not allow private network IPs ... what will happen to all these hotspots when IPv6 becomes the norm?
I don't think we're going to see that for many many years. If all of these hotspots handed out 10.xxx.xxx.xxx IP addresses to their clients, that would support up to 16 million simultaneous customers.
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wwexell

@monsanto.com

So if SBC had a /64, they could hand out /96 subnets to the hotspots, meaning they would have 2^32 hotspots they could hand out. Each of those hotspots would only have to have a router that advertised their /96. When you were at that hotspot, your laptop would pick up the /96 root and append its own auto-configured suffix which still gives each hotspot the ability to support 2^32 clients.

This then is the wonder of IPv6, no need for private subnets.

Note that there are roughly 2^64 possible /64 address roots that can be handed out.
Forums » SBC: Wireless to Wi-Fi


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