Routing forwarding method for content-based data center network

A data center network and forwarding method technology, applied in the field of content-based data center network routing and forwarding, can solve the problem of high load on the centralized controller, and achieve the effect of reducing redundant storage content forwarding table items

Inactive Publication Date: 2013-06-12
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the high load on the centralized controller of the data center file system, this routing protocol cannot add any additional burden to the controller.

Method used

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  • Routing forwarding method for content-based data center network
  • Routing forwarding method for content-based data center network
  • Routing forwarding method for content-based data center network

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Embodiment Construction

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0023] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the descrip...

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Abstract

The invention provides a routing forwarding method of a content-based data center network, wherein the method comprises the following steps of: initializing a switchboard; and forwarding a message. On the basis of the content-based data center network, the switchboard selects a cached host with relatively short distance preferentially to carry out routing forwarding without the participation of an integrated controller through content and position mixed type routing forwarding strategy. A routing strategy utilizes the characteristics of a data center topological structure, so that the switchboard can judge the length of a route just through the direction of a port. The cache consistency is finished through simple content version number matching query during the routing forwarding of the switchboard. The load balancing is finished during the content-based forwarding of the switchboard. The content-based hash operation is carried out on an upward port during the position-based forwarding of the switchboard, so that redundant storage content forwarding tables are reduced.

Description

technical field [0001] The invention belongs to the technical field of data center networks, and in particular relates to a content-based data center network routing and forwarding method. Background technique [0002] With the expansion of data center scale, the number of servers (hosts) and switches has increased rapidly, and the number of application layer programs has increased sharply and diversified, which poses a severe challenge to data center network performance. Common content-based data center services such as distributed computing engine MapReduce and distributed file system GFS are high-bandwidth-demanding services, and increasing available bandwidth has become a core issue in current data center networks. Most of the existing solutions focus on increasing the number of links and link bandwidth. Such as switch-centric new topology: Fat-Tree (fat tree), VL2 (virtual link layer); host-centric topology: BCube (a high-performance data center topology), DCell (a a ...

Claims

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Application Information

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IPC IPC(8): H04L12/741H04L12/751H04L12/947H04L45/74H04L45/02
Inventor 李丹祝铭朱晶
Owner TSINGHUA UNIV
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