ICA is Citrix's lighter protocol.
K
On Tue, Mar 10, 2009 at 7:04 PM, John Holmblad <jholmblad@xxxxxxxxxxxxxxxxxxxx> wrote:
Jonathan,
I did not ask the sales rep, HOW ATT prevents tethering on the iphone
and it did not occur to me that they would use the user identity and
account info derived from the SIM to prevent tethering. For that to
work, the ATT network would have to be able to determine when a device
was attempting to tether while authenticated with a SIM and user account
that did not allow that. I just assume that the iphone hw+sw was
designed to not include tethering capability, from Apple, at least. As
Jose points out, there is at least one app available to turn the iphone
into an IEEE 802.11 Access Point.
Now, I have to ask, does "jailbreaking" the iphone violate the ATT
commercial terms of its use on the ATT Network?
And speaking of data volume limits for these plans, I have learned that
a good way to exceed the 5gb limit per month of either ATT's or Verizon
Wireless's data plan is to start doing RDP or VNC sessions to other
computers/servers from a computer that is tethered to your mobile
device. Then launch a www browser on the target computer/server and
visit your typical www sites (I am not even talking about, say youtube
here) using that browser on that computer/server. With all the rich
graphics. and dancing baloney on today's typical www site you will
quickly consume that 5 gb on the mobile network with all the graphical
content being played out over the RDP or VNC session. Actually I am
making a bit of an assumption here, because so far I have only tried
this using RDP. VNC may be more bit efficient.
I understand that Citrix, the original developer of the RDP components
that Microsoft uses, themselves have a more efficient version of RDP
(RDP+?} that is, well, more efficient when it comes to the video part of
RDP.
In fact, and speaking only based on my experience with the typical real
bandwidths (~300kbps in the direction to the tethered device) that I get
over the Verizon Wireless network in the locations where I use it, I get
that old "dial up/slow-mo" feeling sometimes when using this service.
The performance is bad enough that I wish it would be better, but good
enough that I keep using it.
Best Regards,
John Holmblad
Acadia Secure Networks, LLC
* *
Jonathan Greene wrote:
> I've been using the original iPhone SIM in various devices for years
> now and I tether all kinds of mobile devices from laptops, N810,
> netbooks ... no issues. I've cleared 2Gb a few times, but 5 would be
> more like your only connection ...
>
> On Tue, Mar 10, 2009 at 4:40 PM, Kevin T. Neely
> <ktneely@xxxxxxxxxxxxxxxxxxx> wrote:
>
>> FWIW, I don't have an iphone, but I do have a $15/mo unlimited (which means
>> 5GB) plan from AT&T and I tether my laptop to that.
>>
>> K
>>
>> On Tue, Mar 10, 2009 at 1:27 PM, John Holmblad
>> <jholmblad@xxxxxxxxxxxxxxxxxxxx> wrote:
>>
>>> All,
>>>
>>> I finally had a chance to visit an ATT store near me to check out iphone
>>> service plan pricing. In the process I learned that the iphone does NOT
>>> support tethering (via bluetooth or otherwise) of other devices to it
>>> for the purpose of Internet access for such other devices. Furthermore I
>>> learned that ATT, like Verizon Wireless, has 2 choices of data plans for
>>> those devices that DO support tethering as explained to me by their
>>> salesperson. These choices are
>>>
>>> 1. Device only Internet access $30
>>> US/month
>>>
>>> 2. #1 above + Device Tethering capability $60 US/month^1
>>> (there is a limit of 5gb/month put on this)
>>>
>>>
>>> ATT also has a data only plan for users who just want to use a USB or
>>> Cardbus adapter for mobile Internet access for their PC or other device.
>>> The monthly charge for that plan, called "Data Connect" is $60/month
>>> also with a 5gb limit but with overage charges for use beyond the 5
>>> gb/month.
>>>
>>> I should note that the $60 US/month for pricing plan #2 above from ATT
>>> compares with a price of $44.99 US/month^2 from Verizon which has the
>>> same 5gb monthly limit (stated in its fine print), a ~$15 US/month price
>>> difference in favor of Verizon Wireless vs ATT.
>>>
>>> --
>>>
>>> Best Regards,
>>>
>>>
>>>
>>> John Holmblad
>>>
>>>
>>>
>>> Acadia Secure Networks, LLC
>>>
>>> * *
>>>
>>>
>>> <mailto:jholmblad@xxxxxxxxxxx>
>>>
>>> _______________________________________________
>>> maemo-users mailing list
>>> maemo-users@xxxxxxxxx
>>> https://lists.maemo.org/mailman/listinfo/maemo-users
>>>
>>
>> --
>> In Vino Veritas
>> http://rubbernecking.info
>>
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>>
>>
>
>
>
>
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