Encyclopedia

An Overview of SaaS (Software as a Service)

What is SaaS (software as a service)? An overview

Software as a service, or SaaS for short, is an increasingly popular option for cloud computing. With SaaS, you use software over the Internet instead of installing it on your hard drive. This offers considerable advantages, especially for companies. As with other cloud services, there are also various concerns about data security. What exactly SaaS is, where the advantages and disadvantages of...

PaaS - Platform as a Service

PaaS: platform as a service at a glance

Cloud services are becoming increasingly important for companies. In addition to software and infrastructure that can be booked via the provider's cloud (SaaS and IaaS), cloud-based platforms for developing new applications (PaaS) are also becoming more popular. Companies can make their self-developed software available on these platforms without having to set up the necessary infrastructure...

What is Cloud Storage?

Cloud Storage: How does data storage in the cloud work?

Portable storage media such as CDs or USB sticks are still in demand when making backups or transferring files to another device. More and more often however, users also rely on cloud storage solutions that allow data to be outsourced to an external server environment. But what exactly is cloud storage? And how does this storage model offered by various providers work?

SMTP Relay

What is behind the term SMTP relay?

Server, service, protocol, or process? The definition of the term “STM relay” has fueled raging debate on the internet. What exactly are “smarthosts” and “open mail relays” in this context? Where do you get an “SMTP relay server” – and what do you need it for? The answers are simpler than expected and we will provide additional clues to better understand the subject of sending e-mails. Everything...

SMTP Server

What is an SMTP Server?

Anyone familiar with the technicalities of the e-mail sending process will invariably come across the term “SMTP server” at some point. But how exactly does this unit of hardware and software – which invisibly transports the typical consumer’s e-mail from A to B – work? Understanding how this type of server functions is information that can be used to your advantage when it comes to manually...

SNTP: simple network time protocol

Simple network time protocol: the stripped-back protocol for time synchronization

An exact system time on a computer is especially important when devices need to exchange data. Cross-system processes quickly come to a standstill if the generated time stamps are very different from the time that applies to the system. Synchronization methods that keep the clocks of the individual network participants in sync are utterly indispensable. One of the simplest methods to achieve time...

Excel if-then statements

Excel if-then: how the IF function works

Excel’s if-then statement is one of its most helpful formulas. In many situations, you can create a logical comparison: if A is true, then B, otherwise C. To use this useful if-then formula in Excel, you first need to understand how it works and precisely how to use it. For example, which syntax rules does the IF function follow, and how can you extend the formula?

Cloud computing

Cloud computing – what’s behind it?

Cloud computing is not just an IT industry buzzword, it’s a model that many companies already employ effectively and profitably into their organisations. A large portion of IT infrastructure is no longer managed on-site. Instead, the required services can be rented via a service on the internet. Here we provide a cloud computing definition and explain exactly how it works.

How to enable cookies in your browser

How do I enable cookies in my web browser?

Cookies save user information during website access to improve the page’s user-friendliness or record customer behavior. They’re responsible for noting down login data, browser settings, and other useful information so that you don’t have to set everything up again each time you visit the same site. Cookies can be completely or partially enabled, or just enabled for particular websites. How to...

How to Disable Cookies

Disabling cookies: how to turn off cookies in your browser

Cookies serve various purposes on the internet: primarily, they store user data in order to facilitate easy operation of web pages and to make certain web applications available. But they can also be used to track user activity and intrude on user privacy. There are therefore good reasons to either partially disable, i.e. allow them only on certain pages, or completely disable cookies. You can do...