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A dynamic bandwidth scheduling method and device for an optical burst transmission ring network

A technology of dynamic bandwidth and scheduling method, applied in the field of network communication, can solve the problems of dynamic resource scheduling conflict of optical burst transmission ring network, etc.

Active Publication Date: 2018-12-28
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

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  • A dynamic bandwidth scheduling method and device for an optical burst transmission ring network
  • A dynamic bandwidth scheduling method and device for an optical burst transmission ring network
  • A dynamic bandwidth scheduling method and device for an optical burst transmission ring network

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[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

A dynamic bandwidth scheduling method and device for an Optical Burst Transport Ring Network (OBTN), the method is applied to each node in the OBTN, including: when the node acts as the master node, for each source node, for the When assigning a time slot for a connection from a source node to a destination node, among the time slots where there are OBs that have not yet been dropped, the time slot occupied by the destination node with the smallest hops to the currently configured destination node is preferred; When acting as a master node, it converts the time slot allocation result into a bandwidth map and sends it to each slave node in the OBTN. The invention can realize efficient and conflict-free dynamic resource scheduling of OBTN, and completely solve the conflict problem of cross-master node services without interrupting services. The invention can not only allocate bandwidth resources fairly and reasonably and quickly respond to the bandwidth demand of burst services, but also realize data conflict-free exchange, channel space reuse, strict QoS guarantee and high bandwidth utilization rate.

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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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/275H04Q11/00H04L12/917H04L45/122H04L47/76
CPCH04Q11/0066H04Q2011/0064H04Q2011/0092H04L41/12H04L45/20H04L47/28
Inventor 陈雪罗少良郭宏翔胡新天安高峰
Owner ZTE CORP
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