Processing method and system based on flow table

A processing method and processing system technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as limited service support, defects in flow table matching methods, etc.

Inactive Publication Date: 2014-11-26
PHICOMM (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a flow table-based processing m

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  • Processing method and system based on flow table
  • Processing method and system based on flow table

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Embodiment Construction

[0019] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0020] Such as figure 1 As shown, the present invention provides a processing method based on a flow table, which can be applied to, for example, a software-defined network (Software Defined Network, SDN), which is a new type of network innovation architecture, and its cor...

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Abstract

The invention provides a processing method and system based on a flow table. Flow table items containing matched fields and corresponding preset instruction sets are established, wherein the matched fields comprise data segments used for storing preset offset and preset length and masks, the matched fields and preset message data segments are correlated, and when messages are received, current message data segments corresponding to the preset length are acquired according to the position, corresponding to the preset offset, of the matched fields of the flow table items in the messages; the current message data segments are matched with the preset message data segments; when match succeeds, the correlated preset instruction sets are called to process the messages, a protocol independent match (PIM) mode is provided, in other words, the messages can be processed from the preset matched fields when the protocol type of new service is not known, and the problem that at present, new service can not be deployed easily because flow table items supported by matched service do not exist is avoided.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a flow table-based processing method and system. Background technique [0002] The strong protocol dependency of the current OpenFlow1.x flow table makes the data forwarding chip must perceive the protocol and format of each message and know all specific operations. This will not only lead to an increase in the complexity of the data forwarding chip, a decrease in performance, and an increase in cost, but more importantly, in order to support various new services and protocols, the OpenFlow1.x protocol and all data forwarding chips must continue to Upgrade, improve, and it's endless. [0003] For example, although OpenFlow1.3 supports more than forty Match fields, it still supports limited services. If you need to deploy new services, you still need to wait for a new version and need equipment upgrades to support it before you can deploy new services, which is very inconvenien...

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Application Information

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IPC IPC(8): H04L12/741H04L12/931H04L45/74
Inventor 翟跃
Owner PHICOMM (SHANGHAI) CO LTD
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