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Flow control strategy processing method and apparatus

A flow control strategy and processing method technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as slow convergence and low processing efficiency, and achieve the effects of reducing system resource occupation, high performance, and reducing traversal operations.

Active Publication Date: 2016-12-21
NEW H3C TECH CO LTD
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Problems solved by technology

[0009] In view of this, the present application provides a flow control policy processing method and device to solve the problem of slow convergence when the cycle timer is enabled to check the validity of the FlowSpec flow control policy in the prior art, and to solve the problem that every BGP unicast Routing changes require re-checking the validity of all FlowSpec flow control policies whose control policy is traffic redirection, resulting in low processing efficiency

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  • Flow control strategy processing method and apparatus
  • Flow control strategy processing method and apparatus
  • Flow control strategy processing method and apparatus

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Embodiment Construction

[0042] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0043] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention provides a flow control strategy processing method and apparatus. The method comprises the steps that a BGP module of a network device receives a FlowSpec flow control strategy sent by an EBGP neighbor, and sends a redirection next hop address carried in the flow control strategy to an iteration module, the iteration module sends an iteration result change notification to the BGP module in the case of a reachability change of the next hop address or an optimal matching routing change of the next hop address, and the BGP module checks the validity of the next hop address again according to the iteration result change notification, and processes the flow control strategy according to a validity check result. According to the method, the redirection next hop address of the FlowSpec flow control strategy is quickly checked by the existing routing iteration function, so that massive unnecessary retrieving operations of the flow control strategy in the case of the routing change are reduced, and unnecessary resource occupation is reduced for the network device.

Description

technical field [0001] The present application relates to the technical field of wireless communication, and in particular to a flow control policy processing method and device. Background technique [0002] In the Request for Comments Protocol (English: request for comments, RFC) document of the Internet Engineering Task Force (The Internet Engineering Task Force, IETF), Flow Specification (hereinafter referred to as FlowSpec) is defined as an Internet protocol (InternetProtocol, IP ) traffic is an n-tuple consisting of several matching rules (for example: source address, destination address, port, source port, destination port, protocol type, etc.). The traffic control strategy deployed through FlowSpec can accurately match the attack traffic, and at the same time, there are multiple options for attack traffic: discarding, rate limiting, traffic redirection, etc., which is the defense against denial of service (DoS) and distributed denial of service (Distributed Denial of...

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Application Information

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IPC IPC(8): H04L12/24H04L12/741H04L29/06H04L45/74
CPCH04L41/0823H04L45/74H04L63/1408
Inventor 朱超鹏
Owner NEW H3C TECH CO LTD
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