Data forwarding method and device

Abstract

The invention relates to a data forwarding method and device. The method comprises: a resource node generates a data forwarding path; the data forwarding path comprises M physical nodes, wherein M is a positive integer which is greater than one; the resource node receives an N-th answering signal Ack N transmitted by an N-th physical node on the data forwarding path, wherein the Ack N indicates that the N-th physical node receivs the N-th data transmitted by the resource node, and N is a positive integer which is located between one and M-1; and responding to the Ack N, the resource node transmits the (N+1)-th data to an (N+1)-th physical node which is a direct upstream node of the N-th physical node on the data forwarding path. The method and the device can solve a problem of the time sequence of the forwarding of table data of various physical data, thereby guaranteeing that a packet cannot be lost, needing no employment of additional networking protocol, and increasing no cost.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data forwarding method and device. Background technique [0002] In a network connected by routers, there are usually a main path and a backup path, figure 1 It is a schematic diagram of the main path and the backup path of the existing router. Such as figure 1 As shown, the main path is A->B->C->D, and the backup path is A->E->F->D. When the primary path fails, it will switch to the backup path to ensure uninterrupted traffic; when the primary path recovers, it will switch back to the primary path to ensure that the traffic returns to the deployment path before the failure, that is, network switchback. Since the entire network consists of multiple devices, the forwarding plane data on each device is sent to the forwarding plane through the physical channel after the data is generated by the signaling protocol of the control plane. The multiple devices on th...

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a data forwarding method and device, through which the forwarding plane and the control plane of the physical nodes are uniformly managed by the resource node, so as to solve the timing problem of sending table item data of different physical nodes, and can not occupy additional resources of the device

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