hi Curt, you are lucky don't have problem with DoCoMo, but
DoCoMo has problems that i-mode centers crashed well over
100 times since 1999 (much better now when the increase of
subscribers flatted).
there are too many things wrong with i-mode, I personally
reckon TLP is one of the worst. it's been costing DoCoMo
dearly. I heard no Japanese company which implements TLP
etc., say they like DoCoMo protocols. TLP does make easy
a lot of protocols to be added, but it doesn't have to be
as this bad.
WAP 2.0 learned something from i-mode, but still you need
a gateway, and you don't have to care what's behind it.
I understand Mika's "easy to implement" in that we better
use commercial-out-of-the-shelf solutions. but in case of
wireless network (1) it has very different characteristics,
and (2) it is so expensive (especially the PDC network is
at least 3 times as expensive as GSM, and almost twice as
expensive as early UMTS from Ericsson/Nokia) that I'd say
whatever you pay to fine tune the wireless data services,
you'll get good bonus.
Kolsky, I know (on the 'net) many Indians and Chinese who
studied TCP five years ago. there were a lot of solutions
using end-to-end or transparent link-level retransmissions.
how about Israelis? I haven't heard any new developments
for long time.
btw, I'd like to know detailed data about 504 or i-shot,
will really appreciate if anyone tells us. especially now
NEC learned a lot from Logica/J-Phone about the messaging
system. many thanks in advance.
cheers,
Ken
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Received on Fri Jun 28 16:36:15 2002