- For decades there were switches, and then there were routers. It was obvious that switches performed switching, and routers did the routing. But in the past few years, there has been the emergence of “Layer 3 switches,” which has raised questions for some about the difference between Layer 2 switch and Layer 3 switch . i.e., the differences between switching and routing, and which type of switch should be deployed in which situations.
Connected vehicles, Autonomous vehicles, IOT, 5G, Smart Cities... All hot topics anywhere you look in ITS publications and websites. Well, it's true, it's the future of transportation and it's coming sooner than you realize. That's great news for drivers and pedestrians out there because these upcoming technologies promise to make the roads safer.
With a multitude of PoE switches available on the market, choosing the right one can be difficult. The original PoE standard was called IEEE 802.3af, and allowed for 15.4 watts of power to be sent from a switch’s port. In 2009, the IEEE 802.3at standard (also called PoE+) was released, doubling the per port power to 30 watts. Most recently, the new IEEE 802.3bt standard (PoE++) was formalized, allowing for a massive 90 watts of power.
Protecting critical infrastructures from cyber-attacks and threats has become an important objective for government and enterprise organizations. Especially as infrastructures are increasingly connected with networks.