This post examines some of the fundamentals of providing accurate time. These include looking at what makes a clock, how to ensure accuracy down to the level of nanoseconds and what Netnod is doing to ensure accurate time throughout Sweden.
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Almost all of the billions of devices connected to the internet have onboard clocks, which need to be accurate to properly perform their functions.
The use of authentication mechanisms in Network Time Protocol (NTP) is important to prevent the manipulation of time information by an attacker.
The use of authentication mechanisms in Network Time Protocol (NTP) is important to prevent the manipulation of time information by an attacker.
Several months ago Cloudflare announced that it wasproviding a new public time service. Part of what it wasproviding was the first major deployment of the new NTS protocol, with a newly written implementation of NTS in Rust.