Time server

Time server

What are the GNSS vulnerabilities and alternative solutions for maintaining accurate time synchronisation?

The Global Navigation Satellite System (GNSS) consists of a constellation of satellites placed in space. They aim at providing accurate information on...

Logging of information systems: a major challenge against cyberattack threats

According to Gartner, 45% of companies worldwide will have suffered a cyberattack by 2025. Nowadays, a cyberattack occurs every 39 seconds. In this...

What are the challenges and solutions of time synchronisation for the IoT?

Time synchronisation is paramount in the Internet of Things (IoT). In industrial IoT for example, accurate synchronisation can prevent production...

How does latency correction work in the PTP protocol?

To synchronise clocks across a local area network (LAN), it is necessary to measure the transmission delay caused by network’s technical and usage...

What is Network Time Security (NTS)?

Network Time Security (NTS) is a protocol which has been developed for securing communications between clients and time servers of the NTP protocol...

What is the BMCA algorithm in the PTP protocol?

There are many protocols available to synchronise clocks within a network infrastructure. The most widely used are NTP and SNTP, but when the highest...

The issues of a cyberattack in the transport sector

The economic figures for the transport sector following the covid crisis have been available for a few months now, and what we can say is that the...

STRATUMS IN THE NTP PROTOCOL: Understanding the hierarchy of servers

In order to establish synchronisation mechanisms within a local network, the first thing to do is choosing the right protocol. Indeed, many protocols...

Comparing synchronisation protocols: IRIG vs. NTP vs. PTP

Time synchronisation is a necessity in many areas of computing and networking, especially in critical systems where accuracy, reliability and security...