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Content caching method in information center network virtualization

An information center network and content caching technology, applied in electrical components, transmission systems, etc., can solve the problems of not considering network energy consumption, reduction, and adverse network operation energy consumption, and achieve the effect of reducing the total energy consumption of the network

Inactive Publication Date: 2018-11-27
CHONGQING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0017] The problem with the prior art caching scheme is that it does not consider the energy consumption of the network, which is not conducive to the reduction of energy consumption in network operation

Method used

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  • Content caching method in information center network virtualization
  • Content caching method in information center network virtualization
  • Content caching method in information center network virtualization

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Experimental program
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specific Embodiment 1

[0057] This embodiment is a preferred implementation manner of the content caching method in ICWNV of the present invention. see figure 1 , the process of this embodiment is as follows figure 1 shown, including:

[0058] S101. The first node receives a first data packet;

[0059] S102. The node judges whether the cache distance identifier hop of the first data packet is smaller than the preset maximum cache distance hop max ; If yes, execute step S103, otherwise, execute step S104;

[0060] Wherein, the hop is used to indicate the number of hops between the node buffering the first data packet and the first node;

[0061] the hop max According to the specific network size, node cache power density, node energy density, link energy density and other parameters, the cache with the lowest estimated average energy consumption of the network is preset through experimental data or simulation results under the premise of meeting the requirements of network transmission efficienc...

specific Embodiment 2

[0078] This embodiment is another preferred implementation manner of the content caching method in ICWNV of the present invention. see figure 2 , the process of this embodiment is as follows figure 2 shown, including:

[0079] S201. The first node receives a first data packet;

[0080] S202. The node judges whether the cache distance identifier hop of the first data packet is smaller than the preset maximum cache distance hop max ; If yes, execute step S203, otherwise, execute step S204;

[0081] Wherein, the hop is used to indicate the number of hops between the node buffering the first data packet and the first node;

[0082] the hop max According to the specific network size, node cache power density, node energy density, link energy density and other parameters, the cache with the lowest estimated average energy consumption of the network is preset through experimental data or simulation results under the premise of meeting the requirements of network transmission e...

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Abstract

The invention discloses a content caching method in information center network virtualization. The content caching method comprises the following steps: receiving a first data packet through a first node; if a caching distance marker hop of the first data packet is less than a pre-set maximum caching distance, setting the hop to be equal to (hop+1) through the first node; sending the first data packet to the next node; if the hop is not less than the pre-set maximum caching distance and the first node has a spare caching space, setting the hop to be equal to 0 through the first node and preserving the first data packet; sending the first data packet to the next node. According to the technical scheme provided by the invention, whether the data packet is cached or not by the node is judgedthrough the caching distance marker of the data packet, and caching energy consumption generated by node caching and transmission energy consumption generated by the data packet in a chain are comprehensively considered, so that total energy consumption of a network is effectively reduced.

Description

technical field [0001] The present invention relates to a new network environment combining wireless network virtualization (abbreviation, WNV) and information center network (abbreviation, ICN): information center wireless network virtualization (abbreviation, ICWNV) network, particularly relates to a kind of content caching method in ICWNV . Background technique [0002] As one of the most promising architectures in the next-generation network architecture, WNV is to meet the needs of diverse applications by building a virtual network (VN for short) on the existing network while retaining the existing Internet. Network virtualization is the virtualization of network devices, that is, to enhance traditional routers, switches and other devices so that they can support a large number of scalable applications. WNV technology solves the rigid problem faced by the current Internet network architecture. It abstracts the shared underlying infrastructure through virtualization tec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L45/122
CPCH04L67/568H04L45/742H04L45/64H04L45/586H04L45/20H04L47/34
Inventor 刘期烈王潇潇诸葛丽强王炎雨李铮曹傧刘竟成杨风帆
Owner CHONGQING UNIV OF POSTS & TELECOMM
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