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A high-speed data update system and method based on protocol non-aware forwarding

A protocol-agnostic, data-updating technology, applied in wireless communication, network traffic/resource management, electrical components, etc., can solve the problems of scenarios that cannot adapt to fast data updates, lengthy data packet processing, and low efficiency, and achieve the goal of sending and receiving Fast, the system consumes less resources, and the effect of reducing consumption

Active Publication Date: 2021-01-01
INST OF INFORMATION ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this technology is that the packet processing process is lengthy and inefficient
The current Internet has increasingly stringent requirements on service delay. Using existing data update technology, its delay cannot adapt to the scenario of rapid update of large-scale data in the Internet of Everything era.

Method used

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  • A high-speed data update system and method based on protocol non-aware forwarding
  • A high-speed data update system and method based on protocol non-aware forwarding
  • A high-speed data update system and method based on protocol non-aware forwarding

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] Explanation of terms:

[0032]Packet: It is the basic unit of data transmission in a packet switching network. Consists of header control information and payload data. Protocol-aware forwarding: Network forwarding devices have no awareness of network protocols and data packet processing and forwarding processes, and operations such as reading and writing access to data packets are defined by a set of common network instruction sets, which flexibly define the processing logic of data packets . The data packets of the present invention include update data packets and response data packets.

[0033] Protocol-aware forwarding device: It is a constituent entity of the forwarding layer in the software-defined network architecture, including several flow tables, each flow table includes multiple flow entries, and each flow entry expresses the rules...

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Abstract

The invention discloses a high-speed data updating system and method based on protocol awareness-free forwarding. The corresponding protocol is independent of forwarding equipment; the system comprises a protocol awareness-free forwarding module based on DPDK driving. The protocol awareness-free forwarding module is used as a module based on DPDK driving to operate in a user state. The protocol awareness-free forwarding module comprises a function plane sub-module, a Metadata query function sub-module, a Metadata updating function sub-module, a flow table maintenance function sub-module and arouting function sub-module. According to the protocol awareness-free forwarding module based on the DPDK drive, a DPDK development suite is utilized, the sub-module under the module processes a datapacket of protocol-independent forwarding equipment, the data packet is read from network card hardware equipment in a polling mode, and an inner core of an operating system is bypassed. The method has the advantage of updating data at a high speed.

Description

technical field [0001] The invention relates to a high-speed update system and method based on protocol-free forwarding, and belongs to the technical field of software-defined networks. Background technique [0002] Software-defined networking separates network control and forwarding, provides a centralized control plane, and monitors, configures, and manages the entire network. The software-defined network is an innovation to the traditional network architecture. The software-defined network architecture is divided into the application layer, the control layer and the forwarding layer. The physical entity corresponding to the forwarding layer is a protocol-aware forwarding device, and the physical entity corresponding to the control layer is a network controller. The protocol-aware forwarding device is responsible for the high-speed forwarding of network data, and its forwarding decision comes from the network controller. The network controller conducts centralized and un...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04W28/06H04W40/24
CPCH04W24/02H04W28/065H04W40/248
Inventor 林国誌葛敬国陈家玓鄂跃鹏弭伟
Owner INST OF INFORMATION ENG CHINESE ACAD OF SCI
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