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X.25 NETWORK [10 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2017-04-06

English

Subject field(s)
  • Information Processing (Informatics)
  • Internet and Telematics
DEF

An international standard defining packet-switched communication protocols for a public or private network. The recommendation is prepared by the Comité Consultatif International Télégraphique et Téléphonique(CCITT). Along with other CCITT recommendations, the X. 25 Recommendation defines the physical-, data-link-, and network-layer protocols necessary to interface with X. 25 networks.

OBS

The CCITT X.25 Recommendation is supported by most X.25 equipment vendors, but a new CCITT X.25 Recommendation is published every four years.

French

Domaine(s)
  • Traitement de l'information (Informatique)
  • Internet et télématique
DEF

Protocole du niveau 3 OSI. Est au cœur des réseaux à commutation de paquets, parmi lesquels Transpac. Les cartes passerelles X.25 installées dans un réseau local permettent de router simultanément des flots de données provenant de PC en émulation 3270, Questar de Bull et Videotex, vers les mainframes et services externes correspondants.

OBS

CCITT : Comité Consultatif International Télégraphique et Téléphonique.

Spanish

Save record 1

Record 2 2012-01-24

English

Subject field(s)
  • Computer Hardware
CONT

The protocol converter provides the capability to interface either asynchronous or synchronous terminal input to any X. 25 network.

French

Domaine(s)
  • Matériel informatique
DEF

Interface qui rend compatibles les données transmises avec des protocoles d'échange différents.

Spanish

Campo(s) temático(s)
  • Equipo físico de computadora (Hardware)
DEF

Dispositivo para traducir los códigos de transmisión de datos y/o el protocolo de una red o dispositivo al código o protocolo correspondientes a otra red o dispositivo; permitiendo la comunicación entre equipos con diferentes convenciones.

Save record 2

Record 3 2008-09-05

English

Subject field(s)
  • System Names
  • Internet and Telematics
OBS

Tymnet was an international data communications network headquartered in San Jose, California that utilized virtual call packet switched technology and used X. 25, SNA/SDLC, ASCII and BSC interfaces to connect host computers(cervers) at thousands of large companies, educational institutions, and government agencies. Users typically connected via dial-up connections or dedicated async connections. The business consisted of a large public network that supported dial-up users and a private network that allowed government agencies and large companies(mostly banks and airlines) to build their own dedicated networks. The private networks were often connected via gateways to the public network to reach locations not on the private network.

French

Domaine(s)
  • Noms de systèmes
  • Internet et télématique

Spanish

Save record 3

Record 4 2001-02-22

English

Subject field(s)
  • Telecommunications
OBS

A type of virtual circuit set up within an X. 25 network.

French

Domaine(s)
  • Télécommunications

Spanish

Save record 4

Record 5 1999-09-14

English

Subject field(s)
  • Federal Government Bodies and Committees (Canadian)
OBS

Public Works and Government Services Canada. Government Telecommunications and Informatics Services. GPN is a shared, pay-as-you-use, packet switched, digital-data-only-network-based on the X. 25 network access protocol

French

Domaine(s)
  • Organismes et comités fédéraux (Gouvernement canadien)
OBS

Travaux publics et Services gouvernementaux Canada. Services gouvernementaux de télécommunications et d'informatique. Le RGTP est un réseau partagé à facturation selon l'usage de transmission des données numériques à commutation par paquets basé sur le protocole d'accès réseau X.25

Spanish

Save record 5

Record 6 1998-11-30

English

Subject field(s)
  • System Names
  • Internet and Telematics
OBS

The French PTT's public packet network. It started operation in 1978 after testbed development of the RCP networks. Transpac provides an X. 25 interface.

French

Domaine(s)
  • Noms de systèmes
  • Internet et télématique
OBS

Réseau à commutation par paquets créé en 1978 en France.

Spanish

Save record 6

Record 7 1998-11-26

English

Subject field(s)
  • System Names
  • Internet and Telematics
OBS

The public network of the UK's PTT, British Telecom. This network uses the X. 25 interface protocol.

French

Domaine(s)
  • Noms de systèmes
  • Internet et télématique
OBS

Nom du réseau à commutation de paquets utilisé en Grande-Bretagne.

Spanish

Save record 7

Record 8 1994-01-13

English

Subject field(s)
  • Information Processing (Informatics)
  • Internet and Telematics
DEF

A block of data that notifies X. 25 DTEs that an irrecoverable error exists within the X. 25 network. Restart packets clear all existing SVCs and resynchronize all existing PVCs between an X. 25 DTE and X. 25 DCE.

French

Domaine(s)
  • Traitement de l'information (Informatique)
  • Internet et télématique
DEF

Un bloc de donnés qui indique à un DTE X.25 qu'une erreur irrécupérable est intervenue sur le réseau. Le paquet de redémarrage remet à 0 tous les SVC et resynchronise tous les PVC existants entre un DTE X.25 et un DCE X.25.

Spanish

Save record 8

Record 9 1989-05-01

English

Subject field(s)
  • Internet and Telematics
DEF

Network that uses X. 25 communications protocols.

French

Domaine(s)
  • Internet et télématique

Spanish

Save record 9

Record 10 1989-05-01

English

Subject field(s)
  • Informatics
  • Telecommunications Facilities
OBS

Network that uses X. 25 communications protocols(Prentice-Hall Standard Glossary of Computer Terminology, 1985, p. 485).

French

Domaine(s)
  • Informatique
  • Installations de télécommunications
OBS

"Téléinformatique" Macchi, CJ., Guilbert, J.-F., pp. 87, 349, 361, 548, 840, 1987).

Spanish

Save record 10

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