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Method for achieving link aggregation between the interconnected RPR

An elastic packet ring and grouping technology, applied in the direction of ring network, network interconnection, data exchange through path configuration, etc., can solve problems such as information cannot be transmitted, service level CoS cannot be guaranteed, and carrier-level protection requirements cannot be met. Achieve the effect of protecting the switching time

Inactive Publication Date: 2011-05-25
UTSTARCOM TELECOM CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0026] However, if routers 301, 302 are used to realize the cross-ring channel between RPR rings 310, 320, then when the cross-ring channel fails, the protection time of the cross-ring channel will depend on the protection time of the router, and the protection time of the router The time is above the second level, which cannot meet the protection requirements of the carrier level. The protection time of the carrier level is not greater than 50 milliseconds
In addition, through the interconnection technical solution shown in Figure 3, the service level CoS cannot be guaranteed between the rings 310 and 320, because the routers pass between the rings 310 and 320, and the routers will replace the information of the data frame, resulting in the use of two Layer separation level information cannot be passed to another ring

Method used

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  • Method for achieving link aggregation between the interconnected RPR
  • Method for achieving link aggregation between the interconnected RPR
  • Method for achieving link aggregation between the interconnected RPR

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Embodiment Construction

[0072] Fig. 4 is a schematic diagram of an RPR ring interconnection system according to an embodiment of the present invention. The RPR ring interconnection system shown in FIG. 4 includes two RPR rings 410 and 420 . Wherein, the RPR ring 410 includes four stations 411 , 412 , 413 , and 414 ; the RPR ring 420 includes four stations 421 , 422 , 423 , and 424 . The RPR site can be a device with only the RPR function, or a switch, router, SDH and other devices with the RPR function.

[0073] It should be noted that although the RPR ring interconnection system drawn in Figure 4 includes two RPR rings, in fact, an RPR ring interconnection system may include more than two RPR rings, and may include multiple RPR rings, but at least Only two RPR rings can constitute an RPR ring interconnection system. Otherwise, it is the application technical solution of the single loop in Fig. 1 .

[0074] It should also be noted that although only four stations are drawn on each RPR ring shown i...

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Abstract

A method is provided for achieving link aggregation between the interconnected resilient packet ring (RPR) in the RPR system, and the said interconnection system comprises at least the first RPR and the second RPR, and the said RPR comprises at least two sites crossing the ring. The method comprises the steps: at least two paths crossing the ring are established between the first RPR and the second RPR to transmit the service crossing ring. Wherein a site crossing ring is selected based on the aggregation policy configured to transmit the service crossing ring in the corresponding path crossing ring. The said method and the site of the present invention can automatically transfer the service in this site to the other path crossing ring after certain site or path crossing ring is fail, andwherein the protective time less than 50ms. The service crossing ring has the same CoS in the plurality of RPRs.

Description

technical field [0001] The present invention relates to the technical field of resilient packet ring (Resilient Package Ring-RPR), in particular to a method for realizing aggregated links between multiple RPR rings, and a cross-ring station. Background technique [0002] Resilient packet ring is a metropolitan area network technology that uses a double-ring structure to transmit data between multiple sites. It has been approved by the IEEE (The Institute of Electrical and Electronics Engineers-American Institute of Electrical and Electronics Engineers) 802.17 working group standardization. The key features of RPR include the following: [0003] (1) Regardless of the transmission medium [0004] The transmission medium constituting RPR can be SDH (Synchronous digital hierarchy), SONET (Synchronous optical network), FDDI (Fiber Distributed Data Interface), or Gigabit (1GE or 10G) etc; [0005] (2) Support unicast, multicast, broadcast data transmission [0006] For unicas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/42H04L12/46
CPCH04L12/4637
Inventor 程俊
Owner UTSTARCOM TELECOM CO LTD
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