Network processor

A network processor and register technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problem that the on-chip instruction space cannot meet the demand for the number of instructions, and the number of instruction requirements is huge, and achieves long chip cycles. Solve the problem of inflexibility and ensure the effect of reliability
CN1885822AActive Publication Date: 2006-12-27HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
HUAWEI TECH CO LTD
Publication Date
2006-12-27

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Abstract

The disclosed network processor comprises: an ASIC module integrated one or more main transmission hardware pipeline for message, and a micro-engine module with one or more programmable micro-engines for software-assist transmission, yes to notify the micro-engine module for process, or else takes main transmission directly, wherein the ASIC module uses a decision part connected to the micro-engine module to decide whether need the latter for assist transmission. This invention has high flexibility and reliability.
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Description

technical field

[0001] The invention relates to the forwarding technology in the modern communication system, in particular to a network processor suitable for message forwarding in the IP network. Background technique

[0002] In a modern communication system, when a source device sends information to a sink device, the information is usually forwarded by a forwarding device. So far, the development of forwarding technology has mainly gone through the following five stages.

[0003] The first generation forwarding technology: mainly adopts software centralized forwarding and bus switching technology. figure 1 It is a schematic structural diagram of the first-generation forwarding device. see figure 1 , the interface card of the forwarding device is connected to the central processing unit (CPU) through an internal bus; the CPU is responsible for all transaction processing, including route collection, forwarding processing, device management, etc.; the interface on the in...

Claims

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