Cross-domain mapping method for hybrid virtual network (HVN)

Abstract

The invention discloses a cross-domain mapping method for a hybrid virtual network (HVN). In the event of having one known request of a bottom multi-domain network and the HVN, node calculation resources and link bandwidth resources in the bottom network are distributed to the HVN request based on an HVNMMD-D algorithm and a spectrogram decomposition-based mapping method; therefore, a mapping scheme, which not only satisfies the QoS (Quality of Service) but also saves the mapping cost, is found; secondly, the specificities of multicast parts in the bottom multi-domain network and the HVN are comprehensively considered; common bandwidth resources and calculation resources are optimized; and thus, cross-domain mapping development requirements of the current HVN can be satisfied.

Description

technical field [0001] The invention belongs to the technical field of Internet communication, and more specifically relates to a cross-domain mapping method of a hybrid virtual network. Background technique [0002] The Internet has achieved great success as an effective means of obtaining and exchanging information in today's world. In the past few decades, the continuous development of network technology and the increase in the diversity of Internet applications have made the network ecological environment better and better, and proved its value. However, the rapid development of the Internet has also imposed a great burden on the network, making the existing network architecture unable to carry so many applications well. Moreover, due to the multi-vendor nature of the network, it is very difficult to coordinate and unify various suppliers to make new adjustments to the underlying network structure. As a result, today's networks are structurally constrained by multiple ...

AI Technical Summary

Problems solved by technology

Among them, unicast and multicast have been widely used in many real-time applications that require high QoS. However, in virtual networks, most existing virtual resource mapping algorithms are only effective for unicast or multicast services.

A single unicast or multicast mapping algorithm is not suitable for mixed virtual networks. At the same time, the resources of one underlying physical network provider may not be able to carry the entire virtual network request or due to location constraints, several physical network providers need to cooperate to deploy virtual networks. Network requests, so multi-domain considerations are required

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