High-throughput resource schedule method with delay perception based on converged network virtualization
A technology that integrates networks and resource scheduling, applied in the field of optical and wireless hybrid network communications, can solve the problems that it is difficult to ensure data transmission delay and network resource utilization, and achieve the effect of reasonable utilization and improvement
Active Publication Date: 2017-05-31
CHONGQING UNIV OF POSTS & TELECOMM
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However, none of the above mechanisms considers the use of multi-path subnets for user service transmission at the user data sending end, and does not formulate selection rules and rate allocation mechanisms for planning service transmission on each path according to the different characteristics of the subnets. Data transmission delay and improve network resource utilization
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[0021] Hereinafter, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0022] The converged network consists of a front-end wireless mesh network and a back-end passive optical network. Its architecture is as follows figure 1 As shown in the infrastructure layer. The passive optical network at the back end adopts a point-to-multipoint tree structure, and the optical line terminal is connected to multiple optical network units through an optical splitter. At present, the gateway node often adopts a hybrid structure that combines the respective advantages of the fusion optical network unit and the wireless access node, as a conversion hub for data transmission between the optical network and the wireless network. User data is forwarded by accessing edge routers and multi-hop relay wireless routing nodes, thereby establishing multiple complete end-to-end transmission paths in the converged network.
[0023] T...
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The invention relates to a high-throughput resource schedule method with delay perception based on converged network virtualization. The method comprises the steps that network virtualization is utilized to divide a reposting plane and a control plane of a network, all network resources are intensively managed, and the resource utilization rate is improved; multiple factors influencing network data transmission are taken into full consideration, the transmission capability of different subnetworks is quantified, selection of an optimal transmission subnetwork is completed by perceiving the transmission capability of all the subnetworks, meanwhile a subnetwork resource allocation strategy is designed according to the selection of transmission capability difference of different paths in the subnetwork to reasonably utilize surplus resources of the selected subnetwork, and it is ensured that the network resource utilization rate is improved when the requirement for delay is met. According to the high-throughput resource schedule method with delay perception based on converged network virtualization, business transmission delay can be ensured, network congestion can be reduced at the same time, and the purpose of improving the resource utilization rate and user experience quality is achieved.
Description
Technical field [0001] The invention belongs to the technical field of optical and wireless hybrid network communication, and relates to a high-throughput resource scheduling method with time delay perception based on converged network virtualization. Background technique [0002] The rapid development of multimedia services has a huge commercial space, and the provision of multiple services for mobile terminals is the main development direction of the future Hybrid Optical-Wireless Broadband Access Network (HOWBAN). The advantages of high bandwidth and high mobility of the converged network meet the requirements of mobile terminals that require multi-service support and become one of the hotspot technologies for research and development of a new generation of access networks in the world. [0003] The converged network is a heterogeneous network composed of the optical domain and the wireless domain. The optical domain is a PON network starting from the OLT and ending with ONUs, a...
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Login to View More IPC IPC(8): H04L12/917H04L12/911H04L12/927H04L12/721H04B10/2575H04L47/76H04L47/80
CPCH04B10/2575H04L45/123H04L45/124H04L47/76H04L47/80H04L47/822
Inventor 王汝言韩奎吴大鹏张鸿
Owner CHONGQING UNIV OF POSTS & TELECOMM