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SNMP-based reliable data transmission method

A data transmission method and data transmission technology, applied in the field of reliable data transmission, can solve problems such as inability to ensure reliable data transmission, SNMP protocol mechanism does not provide reliable services, and there is no guarantee

Inactive Publication Date: 2011-02-02
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above method only enables the SNMP management station to perform data transmission through SNMP basic operations, but does not ensure the reliable delivery of data
The SNMP protocol mechanism does not provide reliable services, and there is no guarantee that each data transmission can be transmitted correctly. Therefore, an effective method must be adopted to ensure the orderly, correct and reliable transmission of data

Method used

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  • SNMP-based reliable data transmission method
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  • SNMP-based reliable data transmission method

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Embodiment Construction

[0046] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings, so that those skilled in the art can better understand the present invention. It should be noted that in the following description, when detailed descriptions of known functions and designs may dilute the main content of the present invention, these descriptions will be omitted here.

[0047] figure 2 It is a schematic diagram of a specific implementation of the data transmission process in which the management station actively requests the agent.

[0048] The management station actively requests the agent to transmit data for it. Before data transmission, the initial values ​​of the local value range variable DataValue, data type variable DataType and system status variable SystemStatus of the management station are all 0, and the management station is now in Idle state for data transfer.

[0049] In this example, if figure 2 Shown, the management s...

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Abstract

The invention discloses a simple network management protocol (SNMP)-based reliable data transmission method. In the method, two variable object identities (OIDs), namely a data transmission value domain and a control domain, are added into a management information base (MIB) expanded for data transmission, and a control domain OID node comprises two OIDs, namely, the OIDs of a data type variable and a system status variable, wherein the transmitted data type is specified according to the data type, a data value is transferred by a value domain, the reliability of every transmission is guaranteed by a system status, and once a management station receives a data transmission request of an agent or the agent receives the data transmission request of the management station, values of the system status of both the management station and the agent are changed into 1, at the time, any other data transmission requests of the agent or the management station are ignored till the data transmission is finished, and the value of the system status is changed into 0 again. Therefore, each data transmission can be fully and correctly finished, and the data is guaranteed to be transmitted orderly, correctly and reliably.

Description

technical field [0001] The invention belongs to the technical field of network management, and more specifically relates to a reliable data transmission method between systems using the SNMP protocol as a management interface. Background technique [0002] SNMP (Simple Network Management Protocol) is an application layer protocol of the TCP / IP protocol suite, which consists of MIB, SMI and SNMP protocols. The MIB (Management Information Base, Management Information Base) is the core of the SNMP, and the MIB is a collection of all objects that can be managed by the SNMP. All managed objects of devices in the network are arranged in a tree structure, and each object is uniquely specified by an OID (ObjectIdentifier, Object Identifier). By traversing the nodes in the MIB tree directory, the SNMP protocol can access network devices information. SMI (Structure of Management Information, management information structure) describes in detail the basic framework of defining and co...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L1/00
Inventor 孙健隆克平许都朱光晨吕欧
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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