Route receiving system, route receiving method, device, equipment and medium

A receiving system and receiving method technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve the problems of increasing Leaf equipment costs and high costs, and achieve the effects of reducing routing capacity, avoiding routing black holes, and reducing costs

Pending Publication Date: 2021-11-02
RUIJIE NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For large-scale Anycast gateway scenarios, the FIB entry specification of the Leaf device needs to be larger than the host routes corresponding to the number of downlink servers or terminal devices supported by the entire network (generally, one server or terminal device corresponds to one host route, if the server or terminal The device enables Internet Protocol Version 4 (IPv4) and Internet Protocol Version 6 (IPv6) at the same time, corresponding to 2 host routes), so it is necessary to introduce support for more FIBs on the Leaf device Higher-end switching chips with higher cost of table items, thus increasing the cost of Leaf devices

Method used

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  • Route receiving system, route receiving method, device, equipment and medium
  • Route receiving system, route receiving method, device, equipment and medium
  • Route receiving system, route receiving method, device, equipment and medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] figure 2 A schematic diagram of a route receiving system provided by the embodiment of this application, such as figure 2 As shown, the system includes:

[0060] The first access layer Leaf device 21 is configured to, if the first Leaf device 21 is disconnected from the first convergence layer Spine device, the first Leaf device 21 is connected to the first Leaf device 21 The second Spine device 22 in the connected state sends a first Border Gateway Protocol BGP route update message, wherein the first BGP route update message carries a community attribute value and the host route of the first Leaf device 21;

[0061] The second spine device 22 is configured to send the host route of the first leaf device 21 to the second leaf device connected to the second spine device 22 according to the first BGP route update message twenty three;

[0062] The second Leaf device 23 is configured to receive and save the host route of the first Leaf device 21 .

[0063] Specifical...

Embodiment 2

[0074] In a possible implementation, if the first spine device fails as a whole, and the first spine device is disconnected from every leaf device on the entire network, each leaf device is the first leaf device 21 , at this time, after the second Leaf device 23 receives and saves the host route of the first Leaf device 21, the second Leaf device 23 is equivalent to saving the host routes of all the Leaf devices in the entire network. In order to further reduce the routing capacity of the Leaf device and reduce the cost of the Leaf device, on the basis of the above embodiments, in the embodiment of this application, the first BGP routing update message also carries each of the first spine devices 21 index value;

[0075] The second spine device 22 is further configured to send the index value of each of the first spine devices 21 carried in the first BGP routing update message to the second leaf device 23;

[0076] The second Leaf device 23 is further configured to determine ...

Embodiment 3

[0087] In order to reduce the routing capacity of the Leaf device, on the basis of the above embodiments, in the embodiment of this application, the first Leaf device 21 is also used to determine the distance between the first Leaf device 21 and each spine device are in the connected state, the first Leaf device 21 sends a second BGP route update message to each of the spine devices, wherein the second BGP route update message carries the hostname of the first Leaf device 21 routing;

[0088] Any spine device is further configured to send information about deleting the host route of the first leaf device 21 to the second leaf device 23 connected to the spine device according to the second route update message;

[0089] The second Leaf device 23 is further configured to delete the saved host route of the first Leaf device 21 according to the received information of deleting the host route of the first Leaf device 21 .

[0090] In a possible implementation manner, when the firs...

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PUM

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Abstract

The invention discloses a routing receiving system, a routing receiving method, a routing receiving device, equipment and a medium, which are used for reducing the routing capacity of Leaf equipment and reducing the cost of the Leaf equipment while avoiding routing black holes. According to the method and the device, when the first Leaf equipment and at least one first Spine equipment are in the disconnected state, the first Leaf equipment sends the first BGP route updating message to the second Spine equipment which is in the connected state with the first Leaf equipment, the second Spine equipment which receives the first BGP route updating message sends the host route of the first Leaf equipment to the second Leaf equipment, and the second Leaf equipment receives the host route of the first Leaf equipment and stores the host route. Compared with the prior art that no matter whether the first Leaf equipment and the first Spine equipment are in the disconnected state or not, each Leaf equipment can store the host routes of all other Leaf equipment, the method and the device have the advantages that routing black holes can be avoided, the routing capacity of the Leaf equipment can be reduced, and the cost of the Leaf devices can be reduced.

Description

technical field [0001] The present invention relates to the technical field of route reception, in particular to a route reception system, a route reception method, device, equipment and medium. Background technique [0002] figure 1 A schematic diagram of anycast (Anycast) gateway network topology provided for the prior art, such as figure 1 As shown, in the Anycast gateway network, all access layer (Leaf) devices serving downlink servers or terminal devices are in the same network segment address (same gateway address). In order to ensure that the downlink servers or terminal devices of different leaf devices can be interconnected, it must be ensured that there is a route to another leaf device in one leaf device. [0003] by figure 1 As shown in the example, the network segment address of the Anycast gateway is 100.0.0.1 / 8, so the interface address of the Leaf 1 device, Leaf2 device and the downlink device is 100.0.0.1 / 8, and the corresponding network segment address i...

Claims

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Application Information

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IPC IPC(8): H04L12/703H04L12/741H04L12/751H04L45/28H04L45/02H04L45/74
CPCH04L45/28H04L45/54H04L45/02
Inventor 戴志滨
Owner RUIJIE NETWORKS CO LTD
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