COMMUNICATION DEVICE AND BAND CONTROL METHOD IN COMMUNICATION DEVICE

PROBLEM TO BE SOLVED: To solve a problem in which: when a PON and a layer 2 switch are viewed as one system, band allocation by a dynamic band allocation (DBA) and band control by output time scheduling are carried out independently, and thereby an optimal band control reflecting the status of both...

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Bibliographische Detailangaben
Hauptverfasser:	SAKAGAMI YUSUKE, YOKOYA TETSUYA, KAWATE RYUSUKE
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To solve a problem in which: when a PON and a layer 2 switch are viewed as one system, band allocation by a dynamic band allocation (DBA) and band control by output time scheduling are carried out independently, and thereby an optimal band control reflecting the status of both PON and layer 2 switch is not performed.SOLUTION: A communication device which achieves optimization of band control and power saving, and a band control method in the communication device are provided by coordinating a dynamic band allocation function (DBA) of a PON, and the band control function of a concentrator concentrating the PON, e.g. a layer 2 switch or a layer 3 switch.