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The information on Groklaw is not intended to constitute legal advice. While Mark is a lawyer and he has asked other lawyers and law students to contribute articles, all of these articles are offered to help educate, not to provide specific legal advice. They are not your lawyers.

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C2DM | 328 comments | Create New Account
Comments belong to whoever posts them. Please notify us of inappropriate comments.
You need a complete picture of how email works.
Authored by: Anonymous on Sunday, April 15 2012 @ 10:14 AM EDT

Biff indeed polled my local mail folders

sendmail on the senders server however pushed the mail to my corporate sendmail
server, which then pushed it to users local sendmail servers which then pushed
it to users local folders where biff would poll for it.
(though mmdf <spit!> might have been in that mix somewhere)

sendmail was/is perfectly capable of creating the notification, you just didn't
as it usually ran with different privileges where biff ran in your user domain.

'on a mobile network' is no more novel than 'on the internet' is no more novel
than 'on a network' is no more novel than 'on a computer' is no more novel than
'done by the man on the clapham omnibus' (or the postman lifting up the 'you got
mail flag' on your postbox in this case)

[ Reply to This | Parent | # ]

C2DM
Authored by: Gringo_ on Sunday, April 15 2012 @ 10:32 AM EDT

Google provides an interface called "Android Cloud to Device Messaging" (C2DM), first introduced with Android 2.2

This service provides developers with the ability to initiate application events remotely, even waking up the device when desired. Developers send messages from remote servers through the device's C2DM service, which delivers the message to the target application. See http://code.google.com/android/c2dm/

The service provides a simple, lightweight mechanism that servers can use to tell mobile applications to contact the server directly, to fetch updated application or user data. The C2DM service handles all aspects of queueing of messages and delivery to the target application running on the target device.

This certainly would qualify as "push" technology. So I don't know what Motorola is using, and why it wouldn't be this.

[ Reply to This | Parent | # ]

  • C2DM - Authored by: kuroshima on Sunday, April 15 2012 @ 12:11 PM EDT
I don't think that is what it does.
Authored by: YetAnotherSteve on Sunday, April 15 2012 @ 07:26 PM EDT
How about xbiff? That's push from the xhost to the xserver, and seems to be
from 1988.

(I'm avoiding reading the patent, so I'm not sure if this is relevant.)

[ Reply to This | Parent | # ]

I don't think that is what it does.
Authored by: Tyro on Sunday, April 15 2012 @ 11:21 PM EDT
You mean like how the pharmacy calls me up and tells me it's time to re-order my
prescriptions?

That doesn't sound worthy of a patent to me, just because somebody's added
"on a computer" to it.

N.B.: This isn't new. At one point some telegraph companies would call you on
the phone to tell you that you had a telegram. You may have had to arrange that
ahead of time, of course. That was a bit before I was aware of many of the
details.

[ Reply to This | Parent | # ]

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