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Information processing method, node and computer readable storage medium

An information processing method and node technology, applied in the field of communication, can solve problems such as shortage of segment identification resources, and achieve the effect of solving the shortage of segment identification resources

Pending Publication Date: 2021-12-07
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide an information processing method, a node, and a computer-readable storage medium, which can solve the problem of shortage of segment identification resources to a certain extent

Method used

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  • Information processing method, node and computer readable storage medium
  • Information processing method, node and computer readable storage medium
  • Information processing method, node and computer readable storage medium

Examples

Experimental program
Comparison scheme
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example 1

[0216] like Figure 15 The shown SRv6 network includes the first node 110, the second node 120, the third node 130, the fourth node 140 and the fifth node 150 connected in sequence, and, in the SRv6 network, the ISIS protocol is running, The SRv6 segment identifiers of all nodes have the same block information, and the length of the block information is 96 bits, so the segment identifiers of these nodes can be compressed into a length of 32 bits. The segment identifiers assigned to these nodes are as follows:

[0217] The first node 110: block32-S;

[0218] The second node 120: block32-A;

[0219] The third node 130: block32-B;

[0220] The fourth node 140: block32-C;

[0221] Fifth node 150: block32-D.

[0222] In addition, 1000 L3VPN services are also configured on the fifth node 150, then, for the segment type of L3VPN services, a first container segment identifier is allocated, and it is represented as END.T.DT6 SID block32-D10. In addition, for these 1000 Each L3VPN ...

example 2

[0226] This example is based on the example 1 above, which is extended with the parameter segment identifier, still as Figure 15 As shown, 1000 EVPN services are also configured on the fifth node 150, assuming that the fifth node 150 notifies the first node 110 through a BGP packet that includes the first container segment identifier (assumed to be block32-D20) and the first The route of the local index (assumed to be local-index1) belonging to the first EVPN service, then, when the first node 110 forwards the IPv6 message to the fifth node 150, the first node 110 can insert the first container segment at the end of the SRH ID (that is, block32-D20), the first local index (that is, local-index 1), and a parameter segment ID (assuming that the value is 100), for example, the parameter segment ID indicates that it is used for performing horizontal split and other filtering mechanisms. Then, the entire segment identification list can be expressed as . Since all segment identifi...

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Abstract

The invention provides an information processing method, a node and a computer readable storage medium. The information processing method comprises the steps that a first node constructs first segment identification information, and the first segment identification information comprises a first container segment identification corresponding to the segment type of a corresponding first segment and a first local index corresponding to the corresponding first segment; and the first node flooding the first segment identification information, so that the second node or the network controller establishes a first segment identification list by using the first container segment identification and the first local index in a path calculation process. In the embodiment of the invention, when the node carries out segment identifier allocation, one first container segment identifier is allocated to each segment type, and one first local index is allocated to each first segment belonging to the same segment type, so that segment identifier allocation can be carried out on a large number of first segments only by using fewer segment identifier resources; therefore, the problem of shortage of segment identification resources can be solved to a certain extent.

Description

technical field [0001] Embodiments of the present invention relate to but are not limited to the field of communication technologies, and in particular, relate to an information processing method, a node, and a computer-readable storage medium. Background technique [0002] Segment Routing (SR) technology is a method of routing based on the source node. This method can force a flow to pass through any path and service chain only by maintaining the state of each flow on the source node. Neither intermediate nodes nor tail nodes need to maintain the state of the flow. Segment routing can be applied to the IPv6 data plane and is called SRv6. In related technologies, when segment routing is applied to the IPv6 data plane, an ordered segment identifier (Segment Identifier, SID) list will be superimposed on the outside of the data message. The segment identifier list is composed of IPv6 addresses and included in the segment In the segment routing header (Segment Routing Header, ...

Claims

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Application Information

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IPC IPC(8): H04L12/721H04L12/741H04L12/751H04L45/02H04L45/74
CPCH04L45/34H04L45/32H04L45/745H04L45/02
Inventor 彭少富陈然
Owner ZTE CORP