Flow control method and device as well as clustering system

A flow control and cluster system technology, applied in the field of token ring, can solve problems such as limiting cluster message throughput, and achieve the effects of improving message throughput, solving the problem of low message throughput, and improving real-time performance.

Active Publication Date: 2012-08-22
HUAWEI TECH CO LTD
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  • Claims
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Problems solved by technology

[0004] However, the disadvantage of the above existing technology is that at any time, only one node is sending messages to the outside world, which severely limits the message throughput of the cluster, and the message throughput is a key indicator to measure the cluster capability

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  • Flow control method and device as well as clustering system
  • Flow control method and device as well as clustering system
  • Flow control method and device as well as clustering system

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The embodiment of the present invention relates to token ring technology. see figure 1 , which is a schematic diagram of the network topology of Token Ring. Among them, a total of 5 nodes from node 1 to node 5 form a token ring cluster, and the token ring mechanism is used to transfer tokens and send and receive messages. The token passed on the Token Ring is a set of parameter information, including but not limited to: Token Ring ID, timestamp, the upper limit of the number of messages sent by nodes in the Token Ring, and the maximum number of messages sent by the Token Ring , resend message list and so on. The turnaround time of a token consists of two parts: the time the token is on the Token Ring network, and the time the...

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Abstract

The invention discloses a flow control method and device as well as a clustering system, belonging to the technical field of a token-ring. The flow control method comprises the following steps of: receiving a token by a node in the token-ring, wherein the token-ring comprises at least two nodes; numbering information to be sent according to information relevant to node sending information in the token-ring, which is contained in the token; updating the token according to numbers of the information to be sent, and transmitting the updated token to the next node in the token-ring; and after the updated token is sent to the next node, sequentially sending the numbered information to each node in the token-ring. The flow control device comprises a receiving module, a numbering module, an updating module and a sending module. The clustering system comprises a plurality of nodes forming the token-ring. According to the flow control method and device as well as the clustering system provided by the invention, time for winding the token around the token-ring for one circle is greatly reduced; an information throughput of clustering the token-ring is improved; the transmission delay of the information is reduced; and the information instantaneity is improved.

Description

technical field [0001] The invention relates to the technical field of token rings, in particular to a flow control method, device and cluster system. Background technique [0002] In the cluster, to ensure the global order of messages, a good method is to use the token ring mechanism. The core idea of ​​the token ring mechanism is that when the nodes in the cluster get the token, they have the right to send messages to the outside world, and the tokens are passed node by node according to the topology of the ring network, thus ensuring the global order of message sending in the cluster sex. [0003] The open source product corosync adopts the token ring protocol, which is a mature product. The operation process of the nodes in the cluster is as follows: when each node receives the token, it takes a message from the message sending queue to number it, and then sends the number After the last message is sent to the cluster, repeat the previous two steps of numbering and sen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/433H04L12/56H04L12/841
CPCH04L12/433
Inventor 何敏
Owner HUAWEI TECH CO LTD
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