@gunter
Hi. Yes Singapore is an interesting location for an NTP server. I found that I had to have the net speed turned right down or it would be flooded by requests. These were mainly from China while locations closer to China such as Tokyo and Seoul were getting far fewer requests from that country. May be a routing thing.
Recently I have been seeing a lot of requests from (I think mostly to - think DDoS) a Philippines ISP. I am seeing about 2.6 (up to 5.2) million requests per hour form/to a single ip address. I recently added rate limiting to Chrony to see what it would do. Would be interested to know if you are seeing similar things.
The Philippines is a location I would be interested in adding a server but have not, at this time, found a hosting company to use. Will continue to keep an eye on things.
@n1zyy
It is not only AWS that you can setup a stratum 1 server with. I recently set one up with Azure in Central India. It seems to be working fine as the pool monitoring is happy with it. The Azure setup seemed easier as it all just worked instead of having to compile/load kernel modules with AWS instances.
I see you have taken your Malaysia instance out of the pool because of costs. I have no plans to add my AWS(Tokyo)/Azure(India) instances to the pool even though India could do with more stratum 1 servers because the data transfer costs would be too much. I “may” allow other specific pool servers to use it as a source in the future but not wide open to the pool.
Another thing I saw while testing an AWS stratum 1 server in Malaysia was the routing. Not sure what was going on but the round trip time to Singapore was about 75msec (about 300km) while the round trip time to Tokyo was also about 75msec(about 5300km).