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An Online Hybrid Virtual Network Mapping Method

A technology of virtual network mapping and virtual network, which is applied in the direction of network interconnection, data exchange network, data exchange through path configuration, etc., and can solve problems such as inapplicability and suboptimal mapping results.

Inactive Publication Date: 2017-09-12
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

However, there is no delay and jitter constraint in the unicast virtual network. If the multicast virtual network mapping method is used to map the unicast virtual network mapping, the mapping result is usually not optimal.
Therefore, mapping methods for multicast virtual networks are generally not suitable for mapping unicast virtual networks
The hybrid virtual network has both the characteristics of the multicast virtual network and the characteristics of the unicast virtual network. Therefore, the mapping method of the multicast virtual network is not suitable for the hybrid virtual network.

Method used

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  • An Online Hybrid Virtual Network Mapping Method
  • An Online Hybrid Virtual Network Mapping Method
  • An Online Hybrid Virtual Network Mapping Method

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Embodiment

[0033] figure 1 It is a schematic diagram of the workflow of the online hybrid virtual network mapping method of the present invention. Such as figure 1 As shown, the hybrid virtual network mapping method of the present invention includes the following steps:

[0034] S101: HVN request arrives:

[0035] Record the arriving hybrid virtual network request queue as ArrivedHVN, and initialize the blocked hybrid virtual network request set

[0036] S102: Determine whether the ArrivedHVN is empty, if it is empty, go to step 103, otherwise go to step S104.

[0037] S103: output the mapping result of the successfully mapped hybrid virtual network request in the hybrid virtual network request queue ArrivedHVN and the blocked hybrid virtual network request set HVN blo , the mapping ends.

[0038] S104: Determine whether there is currently an expired hybrid virtual network, if yes, go to step S105, otherwise go to step S106.

[0039] S105: Restore the underlying network resources...

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Abstract

The invention discloses an online hybrid virtual network mapping method, which separates arriving hybrid virtual network requests to obtain multicast virtual network requests and unicast virtual network requests, and performs multicast virtual network requests and unicast virtual network requests respectively Mapping, when performing unicast virtual network mapping, first map the virtual link with the overlapping virtual node in the multicast virtual network request and the unicast virtual network request as the source node and destination node, and then map other virtual nodes and virtual links road to map. The present invention can process mixed virtual network requests including unicast virtual network requests and multicast virtual network requests, and is also applicable to traditional unicast virtual network requests or multicast virtual network requests, and has a wide range of applications.

Description

technical field [0001] The invention belongs to the technical field of virtual network mapping, and more specifically relates to an online hybrid virtual network mapping method. Background technique [0002] Network virtualization, as a technical means to solve the current Internet ossification problem, has received extensive attention in the field of future network research at home and abroad in recent years. One of the advantages of network virtualization is the support for multiple heterogeneous network architectures to share the physical infrastructure. The essence of network virtualization technology is to independently operate multiple virtual networks on a public physical network through abstraction, allocation, and isolation mechanisms, so that optimal resource allocation and scheduling can be selectively performed. [0003] The purpose of network virtualization is to realize extensive sharing of distributed virtual resources, so virtual resource mapping is an impor...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/24H04L12/911
Inventor 孙罡廖丹赵东成肖克祥
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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