Glossary

ADSL

ADSL is the abbreviation of “Asymmetric Digital Subscriber Line”, in Germany it is the most frequented broadband connection in the internet. By an asymmetric bandwidth distribution, downloads are effected fast while the upload of data takes more...

Backbone

The back bone is a line for the transfer of larger amounts of data. It gathers the data of the systems it is connected to. Locally, it connects Local Area Networks (LAN) so that a Wide Area Network (WAN) can be created. Within the LAN, the back bone is used to...

Bandwith

The bandwith names a frequency range that states the transfer performance of a system. The data sent and received via the bandwith is directly proportional. In relation to quality, the bandwith is proportional to the complexity of the data for a certain degree of...

Carrier

Within computing and telecommunications, carriers are companies that offer services in either IT or telecommunications by selling or renting bandwiths. A Local-Exchange-Carrier (LEC) is settled locally whereas an Internet-Exchange-Carrier (IEC or IXC) offers remote...

Cross Connects

In the ATM-technology, the term “Cross Connects” is used for a device in which an optical switch unit is integrated. Cross Connects are mainly used in optic networks and the cabling technology.

Dark Fibre

The performance of fibre optics is sold and rented blankly. The buyer/hirer are responsible for both the transmission and the devices for the transmission. They also define the application.

Dense Wavelength Division Multiplex (DWDM)

The DWDM “Dense Wavelength Division Multiplex” describes a performant method for parallel transfer of many connections via fibre optic cables. The transmission is carried out by several different wave length/colours lying closely together. For the...

Ethernet

Initially, the standard of the wired network technology was designed for Local Area Networks (LANs). Meanwhile, it is used in global networks and displaced technologies such as @Token Ring to niche markets. The IEEE-Norm 802.3 determines cable types, plugs,...

Fiber Channel Network

Fibre Channels are standard interfaces for storage networks. The fibre channel has been developed for the fast but continuous transfer of large data amounts.