Method and network processor for realizing H QoS (hierarchical quality of service)

A layered quality of service, network processor technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as difficulty in implementation

Active Publication Date: 2010-03-10
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Obviously, these applications are difficult to implement for traditional QoS technologies

Method used

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  • Method and network processor for realizing H QoS (hierarchical quality of service)

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Experimental program
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Embodiment Construction

[0031] The core of the present invention is that the configuration module configures a hierarchical quality of service (HQoS) strategy according to the processing capability of the traffic manager and sends it to the driver detection module, and binds the HQoS strategy to the port that needs HQoS scheduling above; the drive detection module calculates the flow ID of the data flow corresponding to each node according to the HQoS strategy and fills it into the corresponding HQoS entry, and configures the TM according to the HQoS strategy; the microcode module reads the The flow ID is filled into the corresponding register of the TM, and the TM manages and schedules the data flow passing through the port according to the filled flow ID.

[0032] The existing design scheme is divided into two specifications according to the limitation of TM, one is 16K mode, and the other is 64K mode. Take the 16K mode as an example below:

[0033] A TM can be configured with up to 32 first-level...

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Abstract

The invention discloses a method for realizing HQoS on a network processor and the network processor, wherein the method comprises the following steps: a configuration module configures an HQoS strategy according to the processing capability of a flux management device, sends the strategy to a drive detection module and binds the HQoS strategy on a port needing HQoS deployment; the drive detectionmodule roughly calculates the stream ID of the data streams corresponding to each node according to the HQoS strategy, fills the IDs into corresponding HQoS items, and configures the TM according tothe HQoS strategy; a micro-code module reads the stream ID and fills the stream ID into the corresponding register of the TM; and the TM carries out corresponding management and deployment on the datastreams passing the port according to the filled stream ID. In the invention, the method and the network processor can realize the functions of flux deployment, management and the like on hardware grade, and can realize more accurate HQoS deployment by adopting a method of combining software configuration and hardware deployment.

Description

technical field [0001] The invention relates to a network processor in the field of data transmission, in particular to a method for realizing HQoS (Hierarchical Quality of Service), and also to a network processor for realizing HQoS. Background technique [0002] The network processor is a processing device commonly used in order to improve complex network data processing. In the application, it is generally divided into a data processing layer and a control processing layer. The micro-engine with high-speed data processing capability performs data forwarding processing, and the ordinary processor controls and configures the network processor. The key feature of the network processor is its programmable characteristics, so it can meet the new needs of users through software development. [0003] Qos (Quality of Service) is a control mechanism that provides different priorities for different data streams of different users, and takes different actions, or according to the r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/851
Inventor 李剑虹
Owner ZTE CORP
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