AT&T National Outage Credits
AT&T ‘making it right’ with $5 credit to customers after last week’s hours-long outage. AT&T says it will give a $5 credit to customers affected by last week’s nationwide telecommunication…
What is caching?
Caches store copies of files to deliver them more quickly where needed. https://youtu.be/Bsq5cKkS33I Caching stores copies of files in a cache or temporary storage location so they can be accessed…
Tunneling or Port Forwarding
Tunneling is generally done by encapsulating the private network data and protocol information within the public network transmission units so that the private network protocol information appears to the public…
CDN performance
A benefit of a CDN is its ability to deliver content quickly and efficiently. CDN performance optimizations can be broken into three categories. Explore the CDN Guide. How does a…
What is a content delivery network (CDN)? | How do CDNs work?
Explore how a CDN delivers fast, efficient, and secure content to websites and Internet services. What is a CDN? A content delivery network (CDN) is a geographically distributed group of…
What is round-trip time? | RTT definition
Round-trip time (RTT) is the millisecond duration (ms) for a network request to go from a starting point to a destination and back to the starting point. What is round-trip…
Why does site speed matter? | Improve webpage speed
If a website takes a long time to load, this can have adverse effects on the user experience, site traffic, and SEO. Websites that are optimized for performance have an…
What is DNS Cache Poisoning? | DNS Spoofing
Attackers can poison a DNS cache by tricking DNS resolvers into caching false information, resulting in the resolver sending the wrong IP address to clients, and users attempting to navigate…
What is BGP? | BGP routing explained
Border Gateway Protocol (BGP) is the routing protocol for the Internet. Like the post office processing mail, BGP picks the most efficient routes for delivering Internet traffic. What is BGP?…
What is an autonomous system? | What are ASNs?
An autonomous system (AS) is a very large network or group of networks with a single routing policy. Each AS is assigned a unique ASN, which is a number that…
