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To: Maurice Winn who wrote (3252)11/14/1999 9:52:00 PM
From: Bux  Respond to of 13582
 
.> I don't buy this 'delays are okay' stuff. NO delay is acceptable. The speed of light is like wading through mud when trying to get somewhere in a hurry.

Yeah, and like you are a 17 year old crack fiend, no time to tie your laces, who needs pants, haircut? No time, gotta run. Hair down to my knees, no time to talk, I got data.

Seriously, the best way I can describe it is like this. I used to work at a fast-food restaurant. Everybody would come at once, line out the door. Fifteen minutes later, no one. This would happen all the time, no rhyme, no reason.

Wireless data is like that only faster. It has to do with probabilities and stuff. So, the basestation has a choice when the standards are set. Either it can limit the packets to those it can send all at once during the busy micro-moments or it can say "gotta half a sec? here it comes!" Hmmm. I wonder if that is why the downlink provides more capacity than the uplink?

Bux



To: Maurice Winn who wrote (3252)11/14/1999 9:57:00 PM
From: w molloy  Read Replies (1) | Respond to of 13582
 
re : Data Delays

Certainly people will accept some data delays to save money. But not much delay and not everybody. Some people will want their IP packets NOW!! Not in half a second. Half a second doesn't seem long, but when you put up with half second delays 100 times an hour
or even day, it becomes annoying.


Maurice - if certain people can't accept delays in their data service
I'm sure the service providers will be more than happy to charge them an arm and a leg for a connection oriented service.

Packet data services guarantee packet delivery, not when they arrive.
Anyway, I think that the delay issue is overblown. Packet Delays will manifest themselves as a temporary reduction in the overal bit rate seen by the application. I doubt users will notice occasional 1/2 second delays.

I don't believe one would see 100 discrete delay events an hour, unless one was mobile in an area with major fading conditions.
In this case, all protocol schemes would experience delays or dropped
data.

w.