A NETWORK ELEMENT AND A CONTROLLER FOR A DATA TRANSFER NETWORK

A NETWORK ELEMENT AND A CONTROLLER FOR A DATA TRANSFER NETWORK

A network element includes a data transfer interface for connecting to a data transfer network, a data-plane section for managing data to be forwarded, and a control section for configuring the data-plane section in accordance with configuration data carried by control-plane messages received from t...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: JOKINEN, Hannu, KAIVOSOJA, Vesa
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A network element includes a data transfer interface for connecting to a data transfer network, a data-plane section for managing data to be forwarded, and a control section for configuring the data-plane section in accordance with configuration data carried by control-plane messages received from the data transfer network. The control section controls the data transfer interface to send one or more overload messages to the data transfer network in response to an overload situation where the workload of the control section impairs the ability of the control section to react to the control-plane messages. Thus, other network elements know that the network element that does not respond to the control-plane messages and thus appears to be non-working may still forward data even though its ability to react to the control-plane messages is, at least temporarily, impaired.