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Showing content with the highest reputation on 12/10/23 in Posts

  1. 1 point
    @ScanFarer Hello! Your analysis is correct. The maximum amount of bandwidth this month which Haedus could give was 7 Gbit/s: One of the main reasons is that the load on the CPU increases more than linearly as the number of OpenVPN connected clients increases. Other reasons include routing, since the maximum throughput one can get is the maximum throughput that the slowest hop in the route can provide. While more and more users switch to WireGuard, the servers will be able to deliver more bandwidth, because WireGuard scales excellently. Consider that each OpenVPN process runs in a single thread of a single core (when OpenVPN's DCO is stable things will change), forcing us to run multiple processes, while we only need to run one WireGuard process which distributes load evenly on all cores. Furthermore, WireGuard doesn't copy data from kernel to userspace and vice-versa, while OpenVPN does (again, OpenVPN's DCO running in the kernel space will do the same). Actually, Haedus can provide almost 4 Gbit/s (8 Gbit/s on the server, in practice) when the connection is performed by a single client. Increasing MTU size might also improve performance further, only provided that there's room in the frames. From Android devices, almost everyone runs WireGuard, because Eddie Android edition is set to WireGuard by default. From desktop devices, Eddie's default is OpenVPN at the moment, so many users start with that default setting and stick to it. What to offer by default is a matter of analysis on desktop systems: WireGuard poses privacy issues and can be easily blocked, while OpenVPN is definitely and sometimes significantly slower even on most AES-NI supporting devices but offers dynamic address assignment and the invaluable abilities to connect over stunnel, SSH, SOCKS proxies, Tor (working in TCP). Kind regards
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