5G Frequency bands— Low band, Mid band, and mm-wave5G 3GPP standard has divided the frequencies into two ranges. FR1 — frequency range 1 and FR2 — frequency range 2.May 4, 2022May 4, 2022
Building blocks for a website hostingAt a very high level — To build a hosted website, you will need a website (no surprise here), register a domain name, manage the DNS…May 4, 2022May 4, 2022
DNS and Root ServerIn most simplistic terms — the DNS Root server is just another DNS server.May 4, 2022May 4, 2022
Website & Web hostingWebsite and web hosting are often considered synonymous, but these are two separate things.May 4, 2022May 4, 2022
SNI and Virtual hostingIn the early days of HTTP, dedicated physical servers were used to host single websites. Virtualization replaced the dedicated servers…May 1, 2022May 1, 2022
Explained — Digital Certificate — Part 4I will conclude four-part series about digital certificates with this post. Here are the links to previous posts, Part 1, Part 2, and Part…Mar 12, 2022Mar 12, 2022
Explained — Digital Certificate — Part 3So far, I have covered the certificate basics in Part 1 & Part 2 of the four-part series about digital certificates.Mar 11, 2022Mar 11, 2022
Digital Certificate series — Part 2In the previous post, I talked about Digital Certificates, Certifying Authority, PKI models, Chain of Trust, and Root Store.Mar 8, 2022Mar 8, 2022
Digital Certificate series — Part 1This four-part series will discuss various topics related to digital certificates. I have divided the content into four different posts…Mar 7, 2022Mar 7, 2022
What happens when I type www.xyz.com in my browser and hit enterAt a very high level — The application (browser) tells the OS middleware (network module TCP/IP stack) to connect to a given website. The…Feb 9, 2022Feb 9, 2022