Josh Fruhlinger
Contributing writer
Josh Fruhlinger is a writer and editor who lives in Los Angeles.
What is SDN and where is it going?
Software-defined networking (SDN) established a foothold in cloud computing, intent-based networking, and network security, with Cisco, VMware, Juniper and others leading the charge.
What is 5G? Fast wireless technology for enterprises and phones
5G networks will boost wireless throughput by a factor of 10 and may replace wired broadband. But when will they be available, and why are 5G and IoT so linked together?
What is power over Ethernet (PoE)?
Power over Ethernet technology has evolved to be a key part of wireless LAN architectures, IoT and enterprise networks
What is Multicloud?
Using multiple cloud services can be complicated, but there are multiple benefits
What is a virtual network
Virtual networks are vital for cloud computing, and virtual LANs can transform networks
What is hybrid cloud computing? The benefits of mixing private and public cloud services
How to architect a hybrid cloud that combines on-premises and public cloud infrastructures. Definitions of hybrid cloud vary, but here’s what it means to Amazon, Microsoft and Google.
What is Wi-Fi and why is it so important?
The ubiquitous wireless technology Wi-Fi has become indispensable for home networking, public internet connectivity, supporting the internet of things and much, much more.
What is a VPN? A secure network over the internet
VPNs can create secure remote-access and site-to-site connections inexpensively, are a stepping stone to software-defined WANs, and are proving useful in IoT.
What is IoT? The internet of things explained
The internet of things (IoT) is a network of connected smart devices providing rich data, but it can also be a security nightmare.
What is DNS and how does it work?
The Domain Name System resolves the names of internet sites with their underlying IP addresses adding efficiency and even security in the process.
What is an IP address? And what is your IP address?
IP addresses give devices on IP networks their own identities so they can find each other.