编码与 数据传输优化
我正在开发一个解决方案，其中包括手机和服务器之间的数据传输。 但是，我想尽量减少传输数据的数量。
我计划使用 TCP/UDP 连接尝试几种类型的编码并测量流量和数据丢失。 除此之外，我相信已经存在针对不同类型的数据（音频、视频、文本）和网络特性的协议开发（应用层）的某种建议。
如果有人提供有关此主题的任何链接或提示，我将非常感激。
谢谢！
I am developing a solution which will include data transfer between mobile phone and server. However, I would like to minimize the quantity of the transferred data.
I was planning to try several types of encoding with TCP/UDP connection and measure the traffic and data loss. Otherwise I believe there already exist some kind of recommendations for protocol development (application layer) for different kind of data (audio, video, text) and network characteristics.
I would be really thankful if anyone provided any link or tip regarding this topic.
Thanks!
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关于压缩方面，Jeff Atwood 最近写了一篇关于压缩的帖子，其中包含链接到此页面，它很好地显示了哪些压缩算法/实现在考虑压缩带来的开销的情况下，这是最好的。
对于移动电话<--> 服务器连接我猜速度可能会怎么样
比如 100-500kbps，然后“7za -mx=9”似乎是给出的选择
以最少的开销实现最佳压缩。
对于更一般的“如何选择/开发不同场景的网络协议”部分，这是一个非常开放的问题，我不确定是否可以给出任何明确的答案。
但对于视频/音频，我建议查看此处，我猜RTSP 和 RTP。
Regarding the compression aspect, Jeff Atwood wrote a post recently about compression which contained a link to this page which very nicely shows which compression algorithms/implementations that are best under which conditions when also considering the overhead imposed by doing compression.
For a mobile phone <--> server connection I would guess the speed could be something
like 100-500kbps, and then "7za -mx=9" seems to be the choice that gives the
best compression with least overhead.
For the more general "how to select/develop network protocols" for different scenarios part, this is an very open question and I am not sure if any clear answer can be given.
But for video/audio I suggest looking here and I would guess RTSP and RTP can be used.