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TCP

Transmission Control Protocol

The protocol most commonly associated with IP (see TCP-IP) providing the means for segmenting, organising and controlling the transmission of information over a network according to the latter's characteristics. In particular, TCP ensures that all the segments of information have been received, and have arrived intact.

 

TCP-IP

Transmission Control Protocol over Internet Protocol

Combination of protocols (IP and TCP), or "stack", which is the basis for exchanging data packets over the Internet. IP is responsible for transporting information to the right place by the shortest route. The purpose of TCP is to build data packets and to check that the transmission has taken place as planned.

 

Tech Contact or Technical Contact

 

Technical contact or tech-c

The name and address of the individual or entity designated as the technical contact when creating or renewing a domain name. This contact is usually the registrar through which the domain name was registered.

The name of the technical contact is published in the Whois directory.

 

TLD

Top Level Domain

There are two types of TLDs: geographically based ccTLDs (.fr, .de, etc.) and generic TLDs also known a gTLDs (.com, .biz, etc.)

See also: Extension, suffix.

 

TLS

See SSL.

 

Traffic

Measurement at a given point in time or the accumulated equivalent over a period of time of the total volume of data transmitted by a network link. The measurement is made at a transit point such as a router or using a special device called a probe.

 

Typosquatting

Action which consists in registering a domain name very similar to a well-known domain name. The variants are based on typos or spelling differences.

Examples: wwwafnic.fr or afinc.fr

This abusive practice, considered similar to cybersquatting, is designed to capture traffic from the well-known site by using the typing errors that Internet users can make.