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Method, system and equipment for switching source

A technology of network equipment and switching resources, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as poor user experience, inability to find new source nodes, and service impact of receiving end nodes, reducing dynamic effect on the receiving end, improving experience, reducing service impact

Active Publication Date: 2012-06-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the existing P2P network with the Peer-Client structure in which the network device acts as the Peer node, since the terminal node can only interact with the network device connected to it, when the source node providing the service needs to switch, such as the source node When a node fails, exits the network, etc., the receiving node cannot find a new source node that provides the same service resources, thus affecting the service of the receiving node, resulting in a decrease in QoE (Quality of Experience), resulting in poor user experience experience

Method used

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  • Method, system and equipment for switching source
  • Method, system and equipment for switching source
  • Method, system and equipment for switching source

Examples

Experimental program
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Embodiment 1

[0037] see figure 2 , which is a flowchart of a source switching method provided by an embodiment of the present invention, with figure 1The provided P2P overlay network diagram is an example. At this time, the Peer node in the overlay network is an ISP network device. When Client1 connected to Peer1 provides resource services to Client2 connected to Peer2, Client1 fails and cannot continue to provide resources. The service is taken as an example to illustrate. At this time, the Peer connected to Client1 is responsible for source switching. The specific steps are as follows:

[0038] Step 101: When Client1 fails, Peer1 connected to Client1 senses the failure, and obtains a source switching identifier. The specific content is as follows:

[0039] When Client1 fails, there is a need to switch the source node. Peer1 receives the fault information and is the first to perceive the fault. At this time, Peer1 maintains the established transmission path, transaction table, forwardi...

example 1

[0061] see image 3 , is a schematic diagram of information interaction provided by the embodiment of the present invention in which Peer1 is in charge of source switching and obtains a new source Client that locally provides the same resource service by using a local search strategy. As shown in the figure, Client1 fails and exits the network, and no longer provides resource services to the receiving client Client attached to Peer2. Peer1 senses the failure of Client1, obtains the source switching identifier, and uses the local search strategy to find a new source that provides the same resource service. Client, Peer1 sends a service request to the new source Client, and after receiving the request response message returned by the new source Client (here, the request response message returned by the new source Client is considered a success message), Peer1 updates its own transaction table and transfer Then, the new source Client sends the data of the requested resource to Pe...

example 2

[0063] see Figure 4 , is a schematic diagram of information interaction provided by the embodiment of the present invention when Peer1 is in charge of source switching, and when a new source client capable of providing the same resource service is acquired by using a network search strategy, it is a client attached to Peer1. As shown in the figure, Client1 fails and exits the network, and no longer provides resource services to the receiving client Client connected to Peer2. Peer1 senses the failure of Client1, obtains the source switching identifier, and uses the network search strategy to find that the optimal Peer is Peer1. At this time, there is a new source client that can provide the same resource service under Peer1, and Peer1 sends a service request to the new source client. After receiving the request response returned by the new source client (here, the request response message returned by the new source client success message), Peer1 updates its own transaction tab...

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PUM

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Abstract

The invention discloses a method, a system and equipment for resource switching, belonging to the field of communication. The method comprises the following steps: network equipment acquires a message for switching a resource providing entity, searching a resource providing entity which provides the same resource as that provided by the resource providing entity, and establishing a transmission path for the searched resource providing entity which provides the same resource. The system comprises network equipment and a resource providing entity which provides the same resource. The network equipment comprises an acquisition module, a searching module and an establishing module. In a P2P overlay network, in the case of a resource switching demand, the network equipment which is used as a Peer node and is relatively stable is charge of resource switching, so as to reduce the impact of dynamic property of a resource end for providing a resource service on a receiving end, improve experience of a user, and effectively avoid request storm arising from simultaneous request re-send of multiple receiving ends which receive the resource service.

Description

technical field [0001] The present invention relates to the communication field, in particular to a source switching method, system and equipment. Background technique [0002] Using P2P (Peer-to-Peer, peer-to-peer network) technology, two or more PCs or other devices located in the P2P network can directly communicate or cooperate, and share resources (such as processing power, storage space and data, etc.). The essence of P2P technology is distributed computing, and its biggest feature is that the capabilities of each computer (especially the client device) on the network can be fully utilized, reducing the traditional Client / Server (client / server) network architecture. Among them, the expensive expenditure (including software, hardware, communication and human input, etc.) required by the server also avoids problems such as computing capacity bottlenecks and single point failures that may be caused by the use of servers. After adopting P2P technology, the network system...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/56H04L69/40
CPCH04L67/1085H04L69/40H04L29/14H04L29/08495H04L67/1065H04L67/104H04L29/08306H04L29/08414
Inventor 董小青殷悦李晋
Owner HUAWEI TECH CO LTD