Simple evaluation of imidc Japanese data center CN2 + high-quality BGP network independent server

Japan is the closest neighboring country to mainland China, and Japan’s network is developed, with very good direct connections to China, Europe and the United States. In addition, there is no need for registration or real-name system, making it one of the most popular foreign server choices. . Imidc has a Japanese computer room. Japanese servers are connected to the cn2+bgp network by default, and the speed is said to be very fast. Here we will explore the minefield for everyone and take the lead in making an evaluation. The data is for reference only.

Official website: https://www.imidc.com

The test machine is e3-1230v3, 16G memory, 1T HDD hard disk. The webmaster has enabled BBR by default. From the AS information, it seems that it is imidc's own. The hard disk I/O is approximately 111MB/s:

FIO test and see:

The default advertised bandwidth is 10Mbps. Speedtest's mainland China node test uplink bandwidth reaches the standard 10Mbps. It seems that the official limit on the downlink bandwidth is more liberal and an extra 10Mbps is given, which means that the downlink has 20Mbps:

In the speedtest Asia node test, the running performance is slightly worse than that in mainland China?

The effect of iperf3 running in Europe and America is quite good:

Guangzhou Telecom uses Chrome browser to download files on the test server. The download speed is as follows, which basically meets the bandwidth promotion standard of 10Mbps:

The Unix bench score of e3-1230v3 is still up to standard, that’s what it is:

Test data of more than 120 nodes in mainland China provided by ping.chinaz.com:

For the outbound journey, China Telecom uses CN2, China Unicom uses SoftBank, and China Mobile uses CMI to connect with SoftBank:

Return to China Telecom: all via CN2

Return to China Unicom: The Japanese computer room takes TATA to Hong Kong, and then the backbone of China Unicom returns to China

Return to China Mobile: Take NTT from Japan to Hong Kong, then transfer to CMI to return home

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