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Method and device for scheduling dynamic bandwidth of optical burst transport ring-network

A technology of dynamic bandwidth and scheduling method, which is applied in the field of network communication and can solve problems such as dynamic resource scheduling conflicts in optical burst transmission ring networks

Active Publication Date: 2015-02-11
ZTE CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a dynamic bandwidth scheduling method and device for an optical burst transmission ring network to solve the problem of dynamic resource scheduling conflicts in an optical burst transmission ring network based on time slot division and centralized control

Method used

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  • Method and device for scheduling dynamic bandwidth of optical burst transport ring-network
  • Method and device for scheduling dynamic bandwidth of optical burst transport ring-network
  • Method and device for scheduling dynamic bandwidth of optical burst transport ring-network

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Embodiment Construction

[0094] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0095] In this embodiment, a dynamic bandwidth scheduling method of an optical burst transmission ring network is applied to each node in the OBTN, such as image 3 shown, including:

[0096] When the node acts as the master node, for each source node, when the time slot is allocated for the connection from the source node to a certain destination node, when there is an OB (Optical Burst, burst time slot) that has not yet been dropped Among the slots, the time slot occupied by the destination node with the smallest hops to the currently configured destination node is preferr...

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Abstract

The present invention embodiment discloses a dynamic bandwidth scheduling method and device, and a computer storage medium, said method being applicable in an optical burst transport network (OBTN) and including: when a target node is a master node, in regard to each source node in an OBTN, when time slots are allocated for the connection between said source node and a destination node, prioritizing the selection, among each existing time slot of an OB which has not yet finished routing, of the time slot occupied by the destination node having the smallest hop count of the presently allocated destination nodes; when said target node is a master node, converting the time slot allocation results into the form of a bandwidth map and sending same to each slave node in the OBTN.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a dynamic bandwidth scheduling method and device for an optical burst transmission ring network. Background technique [0002] With the high-speed expansion of communication services, more and more users are accessing and using broadband services that emerge in an endless stream. At the same time, the explosive growth of IP services accounts for an ever-increasing proportion in the communication network, causing significant changes in the traffic characteristics of the communication network. The mainstream position of traditional voice services with relatively stable traffic in communication services is gradually being It is replaced by data packet services with high traffic bursts, which greatly increases the network's demand for large capacity and flexible bandwidth allocation. From the perspective of the development trend of service interface and optical transce...

Claims

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Application Information

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IPC IPC(8): H04B10/275H04Q11/00H04L12/917H04L45/122H04L47/76
CPCH04B10/275H04Q11/0066H04Q2011/0064H04Q2011/0092H04L41/12H04L45/20H04L47/28
Inventor 陈雪罗少良郭宏翔胡新天安高峰
Owner ZTE CORP
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