Reverse ARP

RARP: The Reverse Address Resolution Protocol

Out-dated technology can still be interesting. Even though the Reverse Address Resolution Protocol was introduced in 1984, and considered obsolete the following year due to the Bootstrap Protocol, it continued to be used long after. The RARP has not completely disappeared from network technology even today. As the Reverse ARP, this protocol is a counterpart to the Address Resolution Protocol. But...

Linux vs Windows – the big server check

Linux vs. Windows: a comparison of the best web server solutions

The duel between Linux and Windows may have an obvious victor on the home computer front, but the battle for server use paints a very different picture: since the beginning, Linux has defeated Windows, as usage figures show. But many users remain unconvinced by statistics and rightfully ask the question: what are the actual differences between the two platforms?

SCTP

SCTP (Stream Control Transmission Protocol) – the reliable, message-orientated transport protocol

If two computer systems are to exchange data, they must agree on a common protocol basis. For example, the selected transport protocol determines how the information is to be transferred. One of the more recent representatives of this protocol division is the Stream Control Transmission Protocol (SCTP), which the IETF (Internet Engineering Task Force) published in 2000 as an alternative to known...

UDP - User Datagram Protocol

UDP: What is the User Datagram Protocol?

The Internet protocol family – the cornerstone for communication on the Internet – has around 500 members who work on a wide variety of layers. For example, the connectionless User Datagram Protocol (UDP) is responsible on the transport layer for the transmission of packets that were previously addressed via the Internet Protocol (IP). In this guide, you can find out exactly what distinguishes...

Raspberry Pi Zero projects

10 Impressive Raspberry Pi Zero Projects

Thanks to its minimalist dimensions, the Raspberry Pi Zero is the ideal component for all craft projects looking to utilise every last inch of space. Having arrived on the market in 2015, the minicomputer has been used in numerous constructions across a range of functions. A brief introduction to the minicomputer and of the most interesting Raspberry Pi Zero applications and ideas can be found in...

Token ring

Token ring – IEEE 802.5

A glance back into history can reveal a lot. Although token ring networks, or ring topologies, are nowhere to be found nowadays, token rings remain an interesting form of technology. Why the model, which is actually quite good, was outdone by its competitor Ethernet is due to the merciless nature of the tech market. Read the history behind token rings, along with a definition of the system that...

Edge computing

Edge Computing – Calculating at the edge of the network

Autonomous cars, intelligent factories and self-regulating supply networks – a dream world for large-scale data-driven projects that will make our lives easier. However, what the cloud model is and how it works is not enough to make these dreams a reality. The challenge of effectively capturing, evaluating and storing mass data requires new data processing concepts. With edge computing, IT...

SNMP: Simple Network Management Protocol

SNMP (Simple Network Management Protocol): the protocol for network management

The communication protocol SNMP (Simple Network Management Protocol) is an elementary component of many network management applications. It defines a number of message types that greatly simplify the monitoring and administration of individual network participants such as PCs, routers, servers, switches, firewalls, or printers. How exactly the SNMP protocol works and what fundamental adjustments...

IGMP snooping

IGMP snooping: eavesdropping for multicast traffic

If a system in IP networks is to send data packets to different target hosts as efficiently as possible, an IP multicasting connection is the perfect solution. When it comes to multipoint transmission, the data packets are able to reach all interested parties thanks to various protocols such as GMP, for example. Switches and internet routers can also use the communication protocol for IGMP...

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. Synchronisation methods that keep the clocks of the individual network participants in sync are utterly indispensable. One of the simplest methods to achieve time...


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