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CLOS network link distribution method and device

A distribution method and a distribution device technology, which are applied in the field of the link distribution method and device of the Close network, and can solve problems such as switching blocking of intermediate-level switching units.

Inactive Publication Date: 2014-12-24
RUIJIE NETWORKS CO LTD
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Problems solved by technology

[0005] The present invention provides a link allocation method and device for a CLOS network, which is used to solve the problem of the number of idle links between the first switching unit and the intermediate switching unit and the number of idle links between the second switching unit and the intermediate switching unit in the prior art. When the number of idle links between them is not equal, there is a problem of switching congestion of the intermediate level switching unit

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  • CLOS network link distribution method and device
  • CLOS network link distribution method and device
  • CLOS network link distribution method and device

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Embodiment Construction

[0018] figure 1 It is a network architecture diagram of the CLOS network of the present invention, such as figure 1 As shown, the CLOS network in this embodiment includes first-level switching units 1-r, second-level switching units 1-m, and third-level switching units 1-r.

[0019] In the specific implementation process, for example, when the first-level switching unit 1 (that is, the first switching unit on the ingress side) needs to send data to the third-level switching unit 1 (that is, the second switching unit on the egress side): the first The second-level switching unit 1 (that is, an intermediate level switching unit) determines the number of idle links A1 between the first-level switching unit 1 and the second-level switching unit 1, and the number A1 of the idle links between the second-level switching unit 1 and the third-level switching unit. The number of idle links B1 between units 1; when it is determined that both A1 and B1 are greater than 0, the second-leve...

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Abstract

The invention provides a CLOS network link distribution method and device. The method includes: acquiring a number A of entry-side first idle links between first exchange units and intermediate-stage exchange units on an entry side and a number B of exit-side first idle links between second exchange units and the intermediate-stage exchange units on an exit side; judging whether both the number A of the entry-side first idle links and the number B of the exit-side first idle links are lager than zero or not; if yes, determining that N links need to be distributed to the first exchange units to send first data to the intermediate-stage exchange units and N links need to be distributed to the intermediate-stage exchange units to forward the first data from the first exchange units to the second exchange units, wherein N is a minimum value in the number of the entry-side first idle links and the number of the number of the exit-side first idle links.

Description

technical field [0001] The invention relates to communication technology, in particular to a link allocation method and device for a CLOS network. Background technique [0002] The CLOS network is a multi-level switching network, and the three-level CLOS network is the most commonly used multi-level switching network. [0003] In the prior art, when the first switching unit on the ingress side (first level) of the three-level CLOS network needs to send data to the second switching unit on the egress side (third level), the first switching unit first determines the first switching unit The number of idle links between the unit and the intermediate level (second level) switching unit; when the number of idle links is not 0, then the first switching unit allocates all the links between the first switching unit and the intermediate level switching unit The idle link is used to send data to the intermediate-level switching unit, so that the intermediate-level switching unit allo...

Claims

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Application Information

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IPC IPC(8): H04L12/917H04L47/76
Inventor 唐鸿凯
Owner RUIJIE NETWORKS CO LTD
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