Author: Yu Wei Table 1 BREW technical advantages
BREW 2.X UNI-Java 2.0 OTA download rate Average download rate on the LGC930 is: 48kbps - 60kbps
TCP ends to end connections. Higher download success rate, high download speed (confirmed by Unicom)
The average download rate on Samsung X859 is: 32kbps - 40kbps
Connecting using the WAP protocol, you need to pass the WAP gateway. This will result in lower download success rates and lower download speeds.
Applying the purchase process is simple and quickly: one step is completed all the transaction processes. Periopeous: Three steps to wait for a long time to wait for a long time: Step 1: Authentication (Average 15S-18S) Step 2: Actual Application Data Download Step 3: Application Data Save (Average 6S-10S)
Directory browsing speed
Faster.
Just 1S - 5S can enter the next level directory
Due to the use of Cache technology, repetition of the directory will be more fast.
slow.
Due to the WAP browsing, the average enters each directory requires 5s - 15s.
Since there is no Cache, repetitive access to the directory will take the same time from the Internet to re-download. When the startup application is easy to download, it will prompt the user to start the application immediately after the application is not convenient to download the user, it will not start the application immediately. Worse, there is no direct way to let the user find the downloaded app. File size limit unlimited file size limit within 256KB
Ringtone download
Support to support the audition before formal purchase. It is an advantage of attracting users and increasing the number of application downloads.
not support
File system support
Support for memory, low-use memory RAM 800K ROM 1M high use memory at least RAM 1.5M, ROM 2.1M SSL / TLS / HTTPS security support only supports HTTPS
Positioning business support
Support for communication port feature such as IRDA
Does not support TAPI core call function support
Quick dial support
Call record support
Message prompt support
Packing support is not supported
Not supported application execution efficiency is high
low efficiency
Table 2 Technical advantages of Uni-Java 2.0
BREW 2.X UNI-JAVA 2.0 Application Manager Hiens
Layer 3 Layer 2 Idle Page Input Application No. Direct Find Application
Do not support support
Download Application Management
User interface is not friendly
There will be great improvements in 3.0 Application Manager. User interface friendship
Corresponding to each download application has pop-up menu Each menu item can be directly selected through the digital number.
User interface is not friendly
There will be great improvements in 3.0 Application Manager. User interface friendship
Support multiple directory WAP and application manager integration
not support
After the BREW 2.1 mobile phone specification, the version has been required to support the application download support via WAP activation BREW.
Convenient operators for UNI JA application download through WAP Portal
A third-party application that activates the mobile phone itself through the BREW / JAVA app (for example, by applying the WAP browser)
Does not support support OTA platform current operators have partial systems
Operators have all systems
Unicom prefer this mode
GIF does not support support