Integrated router based on PCI Express bus

A router and centralized technology, applied in the direction of digital transmission system, electrical components, transmission system, etc., can solve the problems that cannot meet the needs of practical applications, and the working bandwidth of the centralized router is low, so as to achieve high data bandwidth and meet the needs of high-speed development Effect

Active Publication Date: 2006-03-15
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is: under the situation that the network data flow is constantly increasing, the centralized router working based on the PCI bus has a low operating bandwidth, which cannot meet the needs of practical applications.

Method used

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  • Integrated router based on PCI Express bus
  • Integrated router based on PCI Express bus
  • Integrated router based on PCI Express bus

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Embodiment Construction

[0011] The present invention will be described in detail below in conjunction with the accompanying drawings. image 3 It is a centralized router based on PCI Express bus. The implementation scheme of the router is mainly realized by the following devices: a SoC processor, a root multiplexer for connecting each PCI Express terminal to the interior of the processor or the memory of the processor system, and a PCI Express switching device connected to the root multiplexer. The SoC processor can also be implemented by combining a processor that cannot provide a PCI Express bus interface and a north bridge that can provide a PCI Express bus interface. The root multiplexer is integrated inside the SoC processor, and the processor implements the sending and receiving of data packets or the initialization of the bus through the root multiplexer. Of course, the root multiplexer may not be integrated inside the SoC processor. The switching device provides multiple independent PCI Exp...

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Abstract

A centralized router based on PCI Express bus as its internal bus for wide bandwidth features that such units in the router as root multiplexer, PCI Express switch and interfaces are connected via PCI Express bus for data transmission.

Description

technical field [0001] The invention relates to a centralized router, in particular to a centralized router based on the PCI Express bus. Background technique [0002] With the rapid growth of Internet traffic, in addition to large-traffic data exchange, network devices need to process more and more complex services. Existing routers will soon be unable to meet the demand. Middle and low-end routers are generally located at the edge of the network, and the implementation is generally a centralized router with a single processor (CPU). Centralized routers have many advantages. On the one hand, they can meet the performance requirements of general low-end routers. On the other hand, they also have a good price and cost advantage. Such a centralized processor generally implements functions such as receiving and forwarding data packets by sharing a bus. [0003] A centralized router implementation scheme that exists widely now is realized through the shared mode of the paralle...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L45/42H04L45/60
Inventor 王心远魏初舜
Owner NEW H3C TECH CO LTD
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