A method, device and system for bandwidth allocation

A bandwidth and unified technology, applied in the field of network communication, can solve problems such as inability to meet data transmission requirements and waste of resources
CN101150516AInactive Publication Date: 2008-03-26NEW H3C TECH CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
NEW H3C TECH CO LTD
Publication Date
2008-03-26
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses a method for bandwidth allocation, which includes the following steps: a token bucket corresponding to every uplink service set for each CNU of an Ethernet over Coax is arranged; during the period of uplink transmission, each CNU renews the numbers of the tokens in the bucket according to the corresponding parameter of the Service Level Agreement (SLA) of every uplink service, then, a REPORT message carrying the information of uplink service traffic flow is formed according to the number of the tokens in the bucket corresponding to the uplink service, and the report is transmitted to the CLT of Ethernet over Coax; according to the REPORT message of each CNU, the CLT distributes the uplink bandwidth for each CNU. The invention also discloses a system for CNU, CLT and distribution. The invention ensures an appropriate allocation of uplink bandwidth to every CNU, thus improving the utilization rate of the uplink bandwidth.
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Description

Technical field

[0001] The present invention relates to network communication technology, in particular to a method, equipment and system for allocating bandwidth. Background technique

[0002] At present, based on the network structure of the Ethernet Passive Optical Network (EPON), an Ethernet Passive Coaxial-cable Network (EPCN) system has emerged. The EPCN system uses Ethernet as the carrier, adopts a point-to-multipoint structure and a passive coaxial cable transmission method, and sends data streams in bursts of Ethernet packets in the upstream. Figure 1 is a schematic diagram of the structure of the EPCN system. As shown in Figure 1, the EPCN system mainly includes a coaxial cable carrying Ethernet head end (CLT, Coaxial-cable Line Terminal), splitter / distributor, and multiple coaxial cable carrying Ethernet terminal (CNU, Coaxial-Cable Network Unit). The EPCN system connects various Ethernet devices through CLT, and connects user equipment through CNU. The EPCN system is ...

Claims

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