It can decrease the transmitting delay at the port of switch and improve the real-time characteristic in the switched Ethernet.
这个算法能够快速收敛，缩小交换机端口的转发延迟，提高网络的实时特性。
For the GPS low speed serial data, this paper makes use of the computer serial port to receive directly, and the program of the serial receiving and network transmitting are realized by VC.
对于GPS低速串口数据，直接用计算机串口接收，用VC编程实现了串口接收和网络转发。
There are some problems in the serial port applied to collecting and transmitting video, such as high cost, large size, low speed, etc. IEEE1394 is an ideal way to collect and transmit video.
数字视频采集与传输所使用的普通串口技术普遍存在成本较高、体积较大、速度较低等问题，而IEEE1394技术则以多方面的优势成为一种较为理想的视频传输方案。
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