CN100473024C - Dynamic multilevel service quality assurance dispatching system and method - Google Patents
Dynamic multilevel service quality assurance dispatching system and method Download PDFInfo
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- CN100473024C CN100473024C CNB2007100984960A CN200710098496A CN100473024C CN 100473024 C CN100473024 C CN 100473024C CN B2007100984960 A CNB2007100984960 A CN B2007100984960A CN 200710098496 A CN200710098496 A CN 200710098496A CN 100473024 C CN100473024 C CN 100473024C
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Abstract
The provided dynamic hierarchical QoS guarantee scheduling system comprises: a user computer, an exchange, a router, an ISP terminal, and the internet, wherein the PC reports network topology message to the ISP terminal, a monitor module in PC/exchange/router collects QoS message, and a decision module in ISP regulating H-QoS scheduling according to collected message. This invention collects network topology and QoS message real-time to regulate H-QoS scheduling strategy for precise allocation.
Description
Technical field
The present invention relates to network service quality and guarantee supervisory control system and method, relate in particular to a kind of dynamic multilevel service quality assurance dispatching system and method.
Background technology
At present, service quality guarantees (QoS) aspect, global operator guarantees scheduling mechanism (H-QoS) by multilevel service quality, can not only guarantee service quality end to end, and can be according to type of service or by distinguishing the differentiation that the user realizes service quality.
But, traditional H-QoS modelling is on a rough and static network topology imagination, its supposition is from inserting side to having passed through identical and fixing forwarding level the user, and each level service quality that can provide also is constant simultaneously.The user guarantees finally service quality end to end according to this model configuration H-QoS scheduling strategy and parameter.
Obviously, the defective of this mode is two aspects, and at first the forwarding progression that may pass through to the user from the access side may be inequality, also may change; Secondly, be subjected to factor affecting such as concrete network traffics and access situation, every grade of service quality that can provide neither be constant.Therefore, traditional H-QoS application model is not a kind of method of optimum, only is a kind of rough processing.Operator for being desirable to provide service-level agreement (SLA) service more presses for a kind of more accurate service guarantees scheduling mode.
Summary of the invention
The present invention is intended to solve H-QoS modelling in the prior art on the network topology of static state and then the problem of accurate service guarantees scheduling mode can't be provided, a kind of dynamic multilevel service quality assurance dispatching system and method are provided, can the real-time tracking network topology change, on-the-fly modify the H-QoS scheduling strategy, satisfy the requirement of operator.
To achieve these goals, the invention provides a kind of dynamic multilevel service quality assurance dispatching system, comprise subscriber computer, switch, router, service provider's end and the Internet, described subscriber computer is used for holding the reporting ent topology information by sending message mode step by step to described service provider; Its characteristics are,
One monitor module also is set in described subscriber computer, switch, router, is used to collect quality of service information, described quality of service information finally mails to described service provider's end;
Described service provider's end also is provided with a decision-making module, is used for adjusting the H-QoS scheduling according to described network topological information of collecting and described quality of service information.
Above-mentioned system, its characteristics are that described monitor module further comprises:
Receiving element is used for receiving the described quality of service information that continuous external peer-entities sends by protocol massages;
Processing unit is used for handling the described quality of service information that described receiving element receives in conjunction with this machine information;
Transmitting element is used for mailing to the external peer-entities that other link to each other with the described quality of service information of protocol massages after with described processing unit processes.
Above-mentioned system, its characteristics are that described decision-making module further comprises:
Scheduling level adjustment unit is used for according to described network topological information adjustment scheduling level;
The service quality adjustment unit is used for adjusting bandwidth according to the described quality of service information of collecting and guarantees parameter and scheduling method;
The allocated bandwidth unit is used for the reasonable distribution bandwidth.
Above-mentioned system, its characteristics are, in described allocated bandwidth unit, when downstream service quality can be competent at present SLA protocol requirement and unnecessary bandwidth is arranged, according to the agreement of operator remaining bandwidth are carried out reasonable distribution; When the not competent SLA protocol requirement of downstream service quality, revise service parameter according to the configuration agreement of operator, perhaps notify upper-layer protocol to remodify forward-path, the reasonable distribution forwarding flow.
In order to realize above-mentioned purpose better, the present invention provides a kind of dynamic multilevel service quality to guarantee dispatching method again, be used for system at subscriber computer, switch, router, service provider's end and the Internet composition, receive described subscriber computer by sending the network topological information of message mode report step by step, dynamically adjust H-QoS, its characteristics are, also comprise:
Monitoring step is used to collect quality of service information, and described quality of service information finally mails to described service provider's end;
Steps in decision-making is used for adjusting the H-QoS scheduling according to described network topological information of collecting and described quality of service information.
Above-mentioned method, its characteristics are that described monitoring step further comprises:
Step S110 receives the quality of service information that continuous external peer-entities sends by protocol massages;
Step S120 is in conjunction with the described quality of service information of this machine information analyzing and processing;
Step S130 sends to the external peer-entities that other link to each other with the described quality of service information after handling with protocol massages.
Above-mentioned method, its characteristics are that described steps in decision-making further comprises:
Step S210 is according to described network topological information adjustment scheduling level;
Step S220 adjusts bandwidth according to the described quality of service information of collecting and guarantees parameter and scheduling method;
Step S230, the reasonable distribution bandwidth.
Above-mentioned method, its characteristics are that described reasonable distribution bandwidth step further comprises: when downstream service quality can be competent at present SLA protocol requirement and unnecessary bandwidth is arranged, according to the agreement of operator remaining bandwidth is carried out reasonable distribution; When the not competent SLA protocol requirement of downstream service quality, revise service parameter according to the configuration agreement of operator, perhaps notify upper-layer protocol to remodify forward-path, the reasonable distribution forwarding flow.
Dynamic multilevel service quality assurance dispatching system provided by the invention and method, real-time collecting network topological information and quality of service information, and according to collected information adjustment H-QoS scheduling strategy, not only can accurately guarantee service quality end to end, and can carry out reasonable distribution to the flow in the network, simultaneously real-time collecting to network parameter provide and provided powerful support for for operator carries out network management and planning.
Description of drawings
Fig. 1 is a netprotocol model schematic diagram in the prior art;
Fig. 2 is a netprotocol model schematic diagram among the present invention;
Fig. 3 is a network configuration block diagram of the present invention;
Fig. 4 is the structured flowchart of monitor module among the present invention;
Fig. 5 is the structured flowchart of decision-making module among the present invention;
Fig. 6 is a monitor module workflow diagram among the present invention;
Fig. 7 is a decision-making module workflow diagram among the present invention.
Embodiment
Present netprotocol model is seven layer protocol models, as shown in Figure 1, is respectively application layer 110, presentation layer 120, session layer 130, transport layer 140, network layer 150, data link layer 160 and physical layer 170 from high to low.The present invention has increased monitoring layer 200 between data link layer 160 and physical layer 170, as shown in Figure 2.
Figure 3 shows that network configuration block diagram of the present invention, comprise subscriber computer 310,320,330, switch 340, router three 50, the service provider holds 360 and the Internet 370, wherein subscriber computer 310,320,330 holds 360 to link to each other with router three 50 with the service provider by switch 340, and the service provider holds 360 to insert the Internet 370.At subscriber computer 310,320,330, added the monitor module 311,321,331,341 and 351 in the monitoring layer in switch 340 and the router three 50 respectively, monitor module exchanges by carrying out protocol massages, collect quality of service information, comprise that revolution sends out the service quality that level can provide, used parameter comprises bandwidth, Forwarding Latency, shake, packet loss etc., does not influence the forwarding capability of switch 340 and router three 50.Monitor module 311,321,331,341 is identical with 351 structures, is example with monitor module 321, and this module comprises receiving element 410, processing unit 420 and transmitting element 430, as shown in Figure 4.Hold the service provider to have added decision-making module 361 in 360, this decision-making module comprises scheduling level adjustment unit 510, service quality adjustment unit 520 and allocated bandwidth unit 530, as shown in Figure 5.Subscriber computer 310,320,330 sends step by step comprises the message of self topology information and quality of service information that the monitor module in each equipment is collected and all will send to the service provider in real time and hold decision-making module 361 in 360.
As shown in Figure 6, the workflow of this monitor module is:
Step S610, receiving element receives the peer-entities protocol massages, such as the protocol massages of 341 receptions of monitor module in the switch 340 from monitor module 311 in the subscriber computer 310, exchange by carrying out protocol massages with the peer-entities of external equipment in real time, receive the internet message that peer-entities sends;
Step S620, processing unit be in conjunction with content in this machine information analyzing and processing message, such as monitor module 341 in the switch 340 in conjunction with the information analysis in this switch and handle content in the message;
Step S630, transmitting element sends to continuous peer-entities to result, such as monitor module 341 in the switch 340 result is sent to monitor module 351 in the router three 50, the final real-time report of these information is held decision-making module 361 in 360 to the service provider.
As shown in Figure 7, the workflow of decision-making module 361 is:
Step S710, scheduling level adjustment unit 510 is according to network topological information adjustment scheduling level, generally, it is 360 identical to the forwarding level that needs between the subscriber computer 310,320,330 to experience that scheduling level and service provider holds, and operator can according to circumstances increase and decrease;
Step S720, service quality adjustment unit 520 is adjusted bandwidth according to the quality of service information collected and is guaranteed parameter and scheduling method, and bandwidth guarantees that the variation of the real-time change of parameter and scheduling method and network service quality and user's grade of service is corresponding;
Step S730, allocated bandwidth unit 530 reasonable distribution bandwidth when downstream service quality can be competent at present SLA protocol requirement and unnecessary bandwidth is arranged, are carried out reasonable distribution according to the agreement of operator with remaining bandwidth; When the not competent SLA protocol requirement of downstream service quality, revise service parameter according to the configuration agreement of operator, perhaps notify upper-layer protocol to remodify forward-path, the reasonable distribution forwarding flow.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (8)
1, a kind of dynamic multilevel service quality assurance dispatching system, comprise subscriber computer, switch, router, service provider's end and the Internet, described subscriber computer is used for holding the reporting ent topology information by sending message mode step by step to described service provider; It is characterized in that,
One monitor module also is set in described subscriber computer, switch, router, is used to collect quality of service information, described quality of service information finally mails to described service provider's end;
Described service provider's end also is provided with a decision-making module, is used for adjusting the H-QoS scheduling according to described network topological information of collecting and described quality of service information, and wherein H-QoS is that multilevel service quality guarantees scheduling mechanism.
2, system according to claim 1 is characterized in that, described monitor module further comprises:
Receiving element is used for receiving the described quality of service information that continuous external peer-entities sends by protocol massages;
Processing unit is used for handling the described quality of service information that described receiving element receives in conjunction with this machine information;
Transmitting element is used for mailing to the external peer-entities that other link to each other with the described quality of service information of protocol massages after with described processing unit processes.
3, system according to claim 1 is characterized in that, described decision-making module further comprises:
Scheduling level adjustment unit is used for according to described network topological information adjustment scheduling level;
The service quality adjustment unit is used for adjusting bandwidth according to the described quality of service information of collecting and guarantees parameter and scheduling method;
The allocated bandwidth unit is used for the reasonable distribution bandwidth.
4, system according to claim 3 is characterized in that, in described allocated bandwidth unit, when downstream service quality can be competent at present SLA protocol requirement and unnecessary bandwidth is arranged, according to the agreement of operator remaining bandwidth is carried out reasonable distribution; When the not competent SLA protocol requirement of downstream service quality, revise service parameter according to the configuration agreement of operator, perhaps notify upper-layer protocol to remodify forward-path, the reasonable distribution forwarding flow, wherein the SLA agreement is a service-level agreement.
5, a kind of dynamic multilevel service quality guarantees dispatching method, be used for system at subscriber computer, switch, router, service provider's end and the Internet composition, receive described subscriber computer by sending the network topological information of message mode report step by step, dynamically adjust H-QoS, wherein H-QoS is that multilevel service quality guarantees scheduling mechanism, it is characterized in that, also comprise:
Monitoring step is used to collect quality of service information, and described quality of service information finally mails to described service provider's end;
Steps in decision-making is used for adjusting the H-QoS scheduling according to described network topological information of collecting and described quality of service information.
6, method according to claim 5 is characterized in that, described monitoring step further comprises:
Step S110 receives the quality of service information that continuous external peer-entities sends by protocol massages;
Step S120 is in conjunction with the described quality of service information of this machine information analyzing and processing;
Step S130 sends to the external peer-entities that other link to each other with the described quality of service information after handling with protocol massages.
7, according to claim 5 or 6 described methods, it is characterized in that described steps in decision-making further comprises:
Step S210 is according to described network topological information adjustment scheduling level;
Step S220 adjusts bandwidth according to the described quality of service information of collecting and guarantees parameter and scheduling method;
Step S230, the reasonable distribution bandwidth.
8, method according to claim 7, it is characterized in that, described reasonable distribution bandwidth step further comprises: when downstream service quality can be competent at present SLA protocol requirement and unnecessary bandwidth is arranged, according to the agreement of operator remaining bandwidth is carried out reasonable distribution; When the not competent SLA protocol requirement of downstream service quality, revise service parameter according to the configuration agreement of operator, perhaps notify upper-layer protocol to remodify forward-path, the reasonable distribution forwarding flow, wherein the SLA agreement is a service-level agreement.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101640952B (en) * | 2009-08-31 | 2011-07-20 | 北京邮电大学 | System for realizing heterogeneous network QoS dynamic mapping and method thereof |
| CN101667974B (en) * | 2009-10-12 | 2012-10-03 | 中兴通讯股份有限公司 | Method and network processor for realizing H QoS (hierarchical quality of service) |
| CN102957625B (en) * | 2011-08-18 | 2017-11-03 | 邳州高新区生物医药研究院有限公司 | A kind of system and method for realizing end-to-end multilevel service quality |
| CN102571433B (en) | 2012-01-11 | 2014-07-30 | 华为技术有限公司 | Method and device for showing network paths |
| CN103391211B (en) * | 2012-05-11 | 2018-01-05 | 中兴通讯股份有限公司 | A kind of device and method by the automatic execution configuration management of strategy |
| CN103152289B (en) * | 2013-01-28 | 2016-08-17 | 山东智慧生活数据系统有限公司 | A kind of multilevel service quality dispatching method and device |
| CN103200124B (en) * | 2013-03-07 | 2016-12-28 | 北京华为数字技术有限公司 | The method of adjustment of a kind of business game and device |
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| US20040081093A1 (en) * | 1998-02-03 | 2004-04-29 | Haddock Stephen R. | Policy based quality of service |
| US20040213210A1 (en) * | 2003-04-23 | 2004-10-28 | At & T Corp. | Methods and systems for configuring voice over internet protocol network quality of service |
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