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Communication apparatus and communication method

專利號
US11997171B2
公開日期
2024-05-28
申請人
NIPPON TELEGRAPH AND TELEPHONE CORPORATION（JP Tokyo）
發(fā)明人
Tomoya Hatano; Manabu Yoshino
IPC分類
H04L67/00; H04L12/44
技術(shù)領(lǐng)域
unit,olt,pon,sorting,functional,app,device,signal,nearby,processing
地域： Tokyo

摘要

A communication device in a communication system in which functions that are converted to software are configured as a plurality of components, and the functions are realized as a result of the components being respectively executed by a plurality of communication devices that are connected to a network, the communication device including a sorting unit configured to acquire a signal that is transmitted by a first component and transmit the signal to a second component indicated by destination information that is added to the signal by the first component.

說明書

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a 371 U.S. National Phase of International Application No. PCT/JP2019/030555, filed on Aug. 2, 2019. The entire disclosure of the above application is incorporated herein by reference.

TECHNICAL FIELD

The present invention relates to a communication device and a communication method.

BACKGROUND ART

Examples of communication systems that include communication devices include a PON (Passive Optical Network) system. The PON system includes an optical subscriber line terminal device (ONU: Optical Network Unit) that is installed in a house of a customer, for example, an optical subscriber line terminal station device (OLT: Optical Line Terminal) that is a communication device installed in a station building, and an optical distribution network (ODN). In some cases, the ODN connects a plurality of ONUs and a plurality of OLTs.

If a function of a communication device that is not largely dependent on at least any of standards to which the device conforms, the generation, scheme, system, device type, and manufacturing vendor of the device is configured as a component, and at least a portion of an input/output interface (IF) such as an application programming interface (API) of the function is clarified to increase versatility, portability, and extendibility, it is possible to easily share the function between devices that differ from each other in at least any of standards to which the devices conform, generation, scheme, system, device type, and manufacturing vendor, and it is possible to easily add a unique function (see NPL 1, for example).

CITATION LIST

權(quán)利要求

1
The invention claimed is:1. A communication system comprising:an optical line terminal;an optical network unit interconnected via a passive optical network with the optical line terminal,wherein the optical line terminal is comprised of a first computing device, a second computing device and a third computing device, each of the first computing device, the second computing device and the third computing device includes a processor, and a storage medium having computer program instructions stored thereon; andcommunication ports that are respectfully associated with the first computing device, the second computing device and the third computing device;wherein the first computing device functions as a passive optical network interface and the second computing device is installed in the vicinity of the first device;wherein the third computing device is remote from the first computing device and the second computing device;wherein, when executed by the processor, the computer program instructions on the second computing device perform to acquire a signal originating from the optical network unit that is transmitted by a first functional unit of the first computing device,identifies a second functional unit to which the signal is to be transmitted using destination information, where the destination information identifies the second functional unit and the destination information is added to the signal by the first functional unit, andupon the destination information indicating that the second functional unit is not included in the second computing device, accessing a management table to determine whether the signal is to be transmitted to the third computing device where each entry in the management table includes an identifier for a functional unit and an associated port number; andtransmit the signal to the second functional unit in accordance with the destination information.2. The communication system according to claim 1, wherein the computer program instructions further perform to transmit the signal via a communication port that is associated with the second functional unit.3. The communication system according to claim 1, wherein the computer program instructions further perform to transmit the signal based on the management table, where each entry in the management table includes an identifier for a functional unit and an associated port number.
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