Packet processing apparatus, interface unit and method thereof

A packet processing apparatus includes a plurality of communication connecting unit each connected with a communication partner apparatus using one of a work path and a protection path, connecting unit for connecting, using a data bus, the plurality of communication connecting unit with one another;...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	EHARA TETSUO, YAMAMOTO KANTA, KATSURA YUICHIRO, HACHIYA KOJI, MITSUMORI YASUYUKI, KAWAGUCHI JUNICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MULTIPLEX COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A packet processing apparatus includes a plurality of communication connecting unit each connected with a communication partner apparatus using one of a work path and a protection path, connecting unit for connecting, using a data bus, the plurality of communication connecting unit with one another; determination unit for, when a packet sent from the communication partner apparatus is received by one of the communication connecting unit, determining whether the packet is a maintenance packet that is used for monitoring a connection state with the communication partner apparatus; and transmitting unit for, when it is determined that the packet is a maintenance packet by the determination unit, transmitting the maintenance packet to the plurality of communication connecting unit using the data bus via the connecting unit.