CN105791168A - Network resource acquisition method and device - Google Patents
Network resource acquisition method and device Download PDFInfo
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- CN105791168A CN105791168A CN201610102652.5A CN201610102652A CN105791168A CN 105791168 A CN105791168 A CN 105791168A CN 201610102652 A CN201610102652 A CN 201610102652A CN 105791168 A CN105791168 A CN 105791168A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/76—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/805—QOS or priority aware
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
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Abstract
The invention provides a network resource acquisition method and device, and belongs to the technical field of communications. The network resource acquisition method comprises the following steps: acquiring data transmission request information of a source node; wherein the request information includes a source IP (Internet Protocol) and a destination IP; determining an address of next-hop network equipment and a transmission channel number of the network equipment at least according to a resource table, wherein resource state information of transmission channels of all the network equipment periodically uploaded by all the network equipment is stored in the resource table; and transmitting the address and the transmission channel number of the next-hop network equipment to the source node in order that the source node transmits data from the source IP to the destination IP. Through adoption of the network resource acquisition method, a service demand is matched with network resource supply well under the condition of ensuring a dynamic network resource state in a controller-network equipment cooperation way, so that a resource utilization ratio is increased.
Description
Technical field
The invention belongs to communication technical field, be specifically related to a kind of Internet resources acquisition methods and device.
Background technology
In network transmission process, the utilization of Internet resources and what state of supply always dynamically changed, how to improve network resource utilization, simultaneously can a degree of guarantee quality of service, be always up the problem of research.But, traditional method adopts resource reservation or the method done one's best, the former is for special applications, the method adopting reserved resource, by after recipient to initiating reserved passageway and resource, this method taking Internet resources, simply from business demand, it is impossible to from the network overall situation, can not dynamically change according to network presence and adjust, the utilization rate of resource is relatively low, be not suitable for the commonly used of the whole network.And the method done one's best can best effort under existing network resource conditions, but the guarantee degree of the service quality of business is relatively low, Internet resources supply and the matching degree of business demand can not reach the whole network the best.
Summary of the invention
The technical problem to be solved includes, for the problems referred to above that the supply of existing Internet resources exists, it is provided that the Internet resources acquisition methods of a kind of resource utilization raising and device.
Solve the technology of the present invention problem and be employed technical scheme comprise that a kind of Internet resources acquisition methods, comprise the steps:
Obtain the data transfer request message of source node；Wherein, described solicited message includes: source IP and purpose IP；
The address of next-hop network equipment and the transmission channel number of this network equipment is determined according at least to resource table；Wherein, resource table stores the resource state information of each transmission channel of each network equipment having each network equipment periodically to upload；
The address of next-hop network equipment and transmission channel number are sent to source node, so that data are transmitted to purpose IP by source node from source IP.
Preferably, described solicited message also includes: the type of service of data；The described address determining next-hop network equipment, and the transmission channel number of this network equipment, including:
According to resource table and prestore business flow list, it is determined that the address of next-hop network equipment, and, and the transmission channel number of this network equipment；Wherein, described business flow list includes: type of service, the bandwidth demand corresponding with type of service and service priority.
Preferably, described solicited message also includes: the transmission time of source node；The transmission time when described source node, during the upper limit of the cycle time of the resource state information of each transmission channel of each network equipment uploaded beyond current each network equipment cycle, the described address determining next-hop network equipment according at least to resource table, and the transmission channel number of this network equipment, including:
The address of next-hop network equipment and the transmission channel number of this network equipment is determined according at least to the resource table corresponding to the transmission time of described source node.
Preferably, described resource table stores the resource state information of each transmission channel of each network equipment having each network equipment periodically to upload, particularly as follows:
Described resource table only stores the resource state information of each transmission channel of each network equipment having each network equipment current period to upload.
Solve the technology of the present invention problem and be employed technical scheme comprise that a kind of Internet resources acquisition methods, comprise the steps:
Periodically obtain the resource state information of each transmission channel of self, generate child resource table；
Described child resource table is uploaded to controller, so that controller determines the address of next-hop network equipment and the transmission channel number of this network equipment；
Receive the address of the network equipment of the next-hop network equipment that controller is determined and the transmission channel number of this network equipment；
Send data to next-hop network equipment.
Solve the technology of the present invention problem and be employed technical scheme comprise that a kind of Internet resources acquisition device, including:
Data transfer request acquisition module, for obtaining the data transfer request message of source node；Wherein, described solicited message includes: source IP and purpose IP；
The network equipment determines module, for determining the address of next-hop network equipment according at least to resource table, and the transmission channel number of this network equipment；Wherein, resource table stores the resource state information of each transmission channel of each network equipment having each network equipment periodically to upload；
Information feedback module, for being sent to source node by address and the transmission channel number of next-hop network equipment, so that data are transmitted to purpose IP by source node from source IP.
Preferably, described solicited message also includes: the type of service of data；The described network equipment determines module, specifically for according to resource table and prestore business flow list, it is determined that the address of next-hop network equipment, and, and the transmission channel number of this network equipment；Wherein, described business flow list includes: type of service, the bandwidth demand corresponding with type of service and service priority.
Preferably, described solicited message also includes: the transmission time of source node；The transmission time when described source node, during the upper limit of the cycle time of the resource state information of each transmission channel of each network equipment uploaded beyond current each network equipment cycle, the described network equipment determines module, specifically for determining the address of next-hop network equipment according at least to the resource table corresponding to the transmission time of described source node, and the transmission channel number of this network equipment.
Preferably, described resource table stores the resource state information of each transmission channel of each network equipment having each network equipment periodically to upload, particularly as follows:
Described resource table only stores the resource state information of each transmission channel of each network equipment having each network equipment current period to upload.
Solve the technology of the present invention problem and be employed technical scheme comprise that a kind of Internet resources acquisition device, including:
Resource status acquisition module, for periodically obtaining the resource state information of each transmission channel of self, generates child resource table；
Upper transmission module, for being uploaded to controller by described child resource table, so that controller determines the address of next-hop network equipment and the transmission channel number of this network equipment；
Receiver module, for receiving the address of the network equipment of the next-hop network equipment that controller is determined, and the transmission channel number of this network equipment；
Matched routings module, is used for sending data to next-hop network equipment.
There is advantages that
Internet resources acquisition methods provided by the present invention, utilizes the co-operating mode of controller, the network equipment, it is ensured that under dynamic network resource status, and coupling business demand and Internet resources supply, improve resource utilization preferably.
Accompanying drawing explanation
Fig. 1 is the flow chart of the Internet resources acquisition methods of the embodiment of the present invention 1；
Fig. 2 is the schematic diagram of the Internet resources acquisition device of embodiments of the invention 4；
Fig. 3 is the schematic diagram of the Internet resources acquisition device of embodiments of the invention 5；
Fig. 4 is the schematic diagram of the Internet resources acquisition system of embodiments of the invention 6.
Detailed description of the invention
For making those skilled in the art be more fully understood that technical scheme, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1:
Shown in Fig. 1, the present embodiment provides a kind of Internet resources acquisition methods, and it comprises the steps:
S101, obtain source node data transfer request message；Wherein, described solicited message includes: source IP and purpose IP.
This step specifically includes: controller obtains the data transfer request message of source node by its interior data transfer request acquisition module.Wherein, solicited message at least includes source IP and purpose IP.Now, controller then can analyze a network topology (namely the transmission path of data) of source node data transmission according to source IP and purpose IP.
S102, determine the address of next-hop network equipment (such as: switch) and the transmission channel number of this network equipment according at least to resource table；Wherein, resource table stores the resource state information of each transmission channel of each network equipment having each network equipment periodically to upload.
Concrete, each network equipment all can periodically obtain the network resource status information of its each each transmission channel own, the i.e. number of the occupied bandwidth of each transmission channel and remaining bandwidth, and a sub-resource table (such as table 1 below) will be generated, and respective child resource table is uploaded to controller, now these child resource tables are then aggregated into a resource table (such as table 2 below) by controller；Wherein, only preserving the network resource status information of each transmission channel of the network equipment that current period gathers in child resource table, the resource state information before gathered will be deleted；Therefore the resource table of controller will update according to the update cycle property of child resource table.In this step, the network equipment of controller determines unit then resource status according to each network equipment in resource table, it is determined that going out the address of next-hop network equipment, the bandwidth situation further according to the transmission channel of this network equipment determines transmission channel number.
Table 1
Table 2
S103, address and the transmission channel number of next-hop network equipment are sent to source node so that source node by data from source IP transmission to purpose IP.
In this step, the address of the next-hop network equipment determined in step S102 and transmission channel number will be sent to source node by the information feedback module of controller, now source node then knows the address of next-hop network equipment and concrete transmission channel number, therefore can transfer data to next-hop network equipment.If next-hop network equipment can not between send data to purpose IP, to be also transmitted to purpose IP through several network equipments afterwards, then perform following step.
S104, controller according to resource table by the address of the next-hop network equipment of the network equipment determined in step S103 and transmission channel number.
In this step, the network equipment of controller determines unit then resource status according to each network equipment in resource table, it is determined that going out the address of next-hop network equipment, the bandwidth situation further according to the transmission channel of this network equipment determines transmission channel number.
Address and the transmission channel number of the next-hop network equipment of the network equipment in step S103 determined in step S104 are fed back to the network equipment in step S103 by S105, controller, so that the network equipment transfers data to the network equipment of down hop, until transmitting to purpose IP.
The transmission principle of step S105 is identical with step S103, therefore is not described in detail at this.
The Internet resources acquisition methods provided in the present embodiment, utilizes the co-operating mode of controller, the network equipment, it is ensured that under dynamic network resource status, and coupling business demand and Internet resources supply, improve resource utilization preferably.
Embodiment 2:
The present embodiment provides the acquisition methods of a kind of Internet resources, and the method is roughly the same with the method in embodiment 1, is distinctive in that, obtains the data transfer request message of source node in step S101；Described solicited message not only includes: source IP and purpose IP, also includes: the type of service of data；Therefore step 102 and step S105 determine the address of next-hop network equipment, and the transmission channel number of this network equipment, specifically include:
According to resource table and prestore business flow list, it is determined that the address of next-hop network equipment, and, and the transmission channel number of this network equipment；Wherein, described business flow list includes: type of service, the bandwidth demand corresponding with type of service and service priority.
Concrete, assume the network equipment having determined that down hop according to resource table, and the transmission channel number that can select includes 1,2, No. 3 transmission channels, it is 10M to bandwidth demand, service priority is the highest, No. 1 passage No Assets of current period in resource table, No. 2 bandwidth chahnel residue 1M, No. 3 passage remaining bandwidth 15M, then No. 3 passages are optimal channel.
Other steps in the present embodiment are identical with embodiment 1, therefore are not described in detail at this.
Embodiment 3:
The present embodiment provides the acquisition methods of a kind of Internet resources, the method and embodiment 1 and in method roughly the same, be distinctive in that, step S101 obtain the data transfer request message of source node；Described solicited message not only includes: source IP, purpose IP, data type of service, also include the transmission time of source node；The transmission time when described source node, during the upper limit of the cycle time of the resource state information of each transmission channel of each network equipment uploaded beyond current each network equipment cycle, the described address determining next-hop network equipment according at least to resource table, and the transmission channel number of this network equipment, including:
The address of next-hop network equipment and the transmission channel number of this network equipment is determined according at least to the resource table corresponding to the transmission time of described source node.
If it is to say, the transmission time of source node is not in current period, then controller delay this time cycle according to send place cycle time resource table determine give a start network appliance address and transmission channel number.Other steps are identical with embodiment 1 or 2, therefore are not described in detail at this.
Embodiment 4:
Shown in Fig. 2, present embodiments providing a kind of Internet resources acquisition device, this Internet resources acquisition device can be the network equipment such as controller, server；Comprising: data transfer request acquisition module, the network equipment determine module, information feedback module.
Wherein, data transfer request acquisition module, for obtaining the data transfer request message of source node；Wherein, described solicited message includes: source IP and purpose IP.
Concrete, concrete, Internet resources acquisition device obtains the data transfer request message of source node by its interior data transfer request acquisition module.Wherein, solicited message at least includes source IP and purpose IP.Now, Internet resources obtain equipment and then can analyze a network topology (namely the transmission path of data) of source node data transmission according to source IP and purpose IP.
Wherein, the network equipment determines module, for determining the address of next-hop network equipment according at least to resource table, and the transmission channel number of this network equipment；Wherein, resource table stores the resource state information of each transmission channel of each network equipment having each network equipment periodically to upload.
Concrete, each network equipment all can periodically obtain the network resource status information of its each each transmission channel own, the i.e. number of the occupied bandwidth of each transmission channel and remaining bandwidth, and a sub-resource table will be generated, and respective child resource table is uploaded to controller, now these child resource tables are then aggregated into a resource table by Internet resources acquisition device；Wherein, only preserving the network resource status information of each transmission channel of the network equipment that current period gathers in child resource table, the resource state information before gathered will be deleted；Therefore the resource table of Internet resources acquisition device will update according to the update cycle property of child resource table.In this step, the network equipment of Internet resources acquisition device determines unit then resource status according to each network equipment in resource table, determining the address of next-hop network equipment, the bandwidth situation further according to the transmission channel of this network equipment determines transmission channel number.
Preferably, solicited message also includes: the type of service of data；The described network equipment determines module, specifically for according to resource table and prestore business flow list, it is determined that the address of next-hop network equipment, and, and the transmission channel number of this network equipment；Wherein, described business flow list includes: type of service, the bandwidth demand corresponding with type of service and service priority.
Concrete, assume that the network equipment determines that module has determined that the network equipment of down hop according to resource table, and the transmission channel number that can select includes 1,2, No. 3 transmission channels, it is 10M to bandwidth demand, service priority is the highest, No. 1 passage No Assets of current period in resource table, No. 2 bandwidth chahnel residue 1M, No. 3 passage remaining bandwidth 15M, then No. 3 passages are optimal channel.
Wherein, information feedback module, for being sent to source node by address and the transmission channel number of next-hop network equipment, so that data are transmitted to purpose IP by source node from source IP.
Concrete, the network equipment will be determined that the address of the next-hop network equipment that module determines and transmission channel number are sent to source node by the information feedback module of Internet resources acquisition device, now source node then knows the address of next-hop network equipment and concrete transmission channel number, therefore can transfer data to next-hop network equipment.
Preferably, the resource table of the present embodiment only stores the resource state information of each transmission channel of each network equipment having each network equipment current period to upload.
Embodiment 5:
As it is shown on figure 3, the present embodiment provides a kind of Internet resources acquisition device, this Internet resources acquisition device can be the network equipments such as switch, comprising: resource status acquisition module, upper transmission module, receiver module, matched routings module.
Wherein, resource status acquisition module, for periodically obtaining the resource state information of each transmission channel of self, generate child resource table.
Concrete, each network equipment all can periodically obtain the network resource status information of its each each transmission channel own, the i.e. number of the occupied bandwidth of each transmission channel and remaining bandwidth, and a sub-resource table will be generated, wherein, only preserving the network resource status information of each transmission channel of the network equipment that current period gathers in child resource table, the resource state information before gathered will be deleted.
Upper transmission module, for being uploaded to controller by described child resource table, so that controller determines the address of next-hop network equipment and the transmission channel number of this network equipment.
Concrete, respective child resource table is uploaded to controller by upper transmission module, and now these child resource tables are then aggregated into a resource table by controller；Owing to only preserving the network resource status information of each transmission channel of the network equipment that current period gathers in child resource table, the resource state information before gathered will be deleted；Therefore the resource table of controller will update according to the update cycle property of child resource table.
Receiver module, for receiving the address of the network equipment of the next-hop network equipment that controller is determined, and the transmission channel number of this network equipment.
Matched routings module, is used for sending data to next-hop network equipment.
Concrete, the network equipment is mated by matched routings module with next-hop network equipment, completes the transmission of data.
Embodiment 6:
As shown in Figure 4, the present embodiment provides a kind of Internet resources to obtain system, and it includes the Internet resources acquisition device of embodiment 3 and 4 simultaneously.
The Internet resources of the present embodiment obtain system owing to including the Internet resources acquisition device of embodiment 3 and 4 simultaneously, utilize the co-operating mode of controller, the network equipment, ensure that under dynamic network resource status, coupling business demand and Internet resources supply, improve resource utilization preferably.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and the illustrative embodiments that adopts, but the invention is not limited in this.For those skilled in the art, without departing from the spirit and substance in the present invention, it is possible to make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. an Internet resources acquisition methods, it is characterised in that comprise the steps:
Obtain the data transfer request message of source node；Wherein, described solicited message includes: source IP and purpose IP；
The address of next-hop network equipment and the transmission channel number of this network equipment is determined according at least to resource table；Wherein, resource table stores the resource state information of each transmission channel of each network equipment having each network equipment periodically to upload；
The address of next-hop network equipment and transmission channel number are sent to source node, so that data are transmitted to purpose IP by source node from source IP.
2. Internet resources acquisition methods according to claim 1, it is characterised in that described solicited message also includes: the type of service of data；The described address determining next-hop network equipment, and the transmission channel number of this network equipment, including:
According to resource table and prestore business flow list, it is determined that the address of next-hop network equipment, and, and the transmission channel number of this network equipment；Wherein, described business flow list includes: type of service, the bandwidth demand corresponding with type of service and service priority.
3. Internet resources acquisition methods according to claim 1, it is characterised in that described solicited message also includes: the transmission time of source node；The transmission time when described source node, during the upper limit of the cycle time of the resource state information of each transmission channel of each network equipment uploaded beyond current each network equipment cycle, the described address determining next-hop network equipment according at least to resource table, and the transmission channel number of this network equipment, including:
The address of next-hop network equipment and the transmission channel number of this network equipment is determined according at least to the resource table corresponding to the transmission time of described source node.
4. Internet resources acquisition methods according to claim 1, it is characterised in that store the resource state information of each transmission channel of each network equipment having each network equipment periodically to upload in described resource table, particularly as follows:
Described resource table only stores the resource state information of each transmission channel of each network equipment having each network equipment current period to upload.
5. an Internet resources acquisition methods, it is characterised in that comprise the steps:
Periodically obtain the resource state information of each transmission channel of self, generate child resource table；
Described child resource table is uploaded to controller, so that controller determines the address of next-hop network equipment and the transmission channel number of this network equipment；
Receive the address of the network equipment of the next-hop network equipment that controller is determined and the transmission channel number of this network equipment；
Send data to next-hop network equipment.
6. an Internet resources acquisition device, it is characterised in that including:
Data transfer request acquisition module, for obtaining the data transfer request message of source node；Wherein, described solicited message includes: source IP and purpose IP；
The network equipment determines module, for determining the address of next-hop network equipment according at least to resource table, and the transmission channel number of this network equipment；Wherein, resource table stores the resource state information of each transmission channel of each network equipment having each network equipment periodically to upload；
Information feedback module, for being sent to source node by address and the transmission channel number of next-hop network equipment, so that data are transmitted to purpose IP by source node from source IP.
7. Internet resources acquisition device according to claim 6, it is characterised in that described solicited message also includes: the type of service of data；The described network equipment determines module, specifically for according to resource table and prestore business flow list, it is determined that the address of next-hop network equipment, and, and the transmission channel number of this network equipment；Wherein, described business flow list includes: type of service, the bandwidth demand corresponding with type of service and service priority.
8. Internet resources acquisition device according to claim 6, it is characterised in that described solicited message also includes: the transmission time of source node；The transmission time when described source node, during the upper limit of the cycle time of the resource state information of each transmission channel of each network equipment uploaded beyond current each network equipment cycle, the described network equipment determines module, specifically for determining the address of next-hop network equipment according at least to the resource table corresponding to the transmission time of described source node, and the transmission channel number of this network equipment.
9. Internet resources acquisition device according to claim 6, it is characterised in that store the resource state information of each transmission channel of each network equipment having each network equipment periodically to upload in described resource table, particularly as follows:
Described resource table only stores the resource state information of each transmission channel of each network equipment having each network equipment current period to upload.
10. an Internet resources acquisition device, it is characterised in that including:
Resource status acquisition module, for periodically obtaining the resource state information of each transmission channel of self, generates child resource table；
Upper transmission module, for being uploaded to controller by described child resource table, so that controller determines the address of next-hop network equipment and the transmission channel number of this network equipment；
Receiver module, for receiving the address of the network equipment of the next-hop network equipment that controller is determined, and the transmission channel number of this network equipment；
Matched routings module, is used for sending data to next-hop network equipment.
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| CN103338150A (en) * | 2013-07-19 | 2013-10-02 | 中国人民解放军信息工程大学 | Method and device for establishing information communication network system structure, as well as server and router |
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| CN103891219A (en) * | 2013-10-31 | 2014-06-25 | 华为技术有限公司 | Establishing method, device, and system of control channel |
| EP2930891A1 (en) * | 2014-04-10 | 2015-10-14 | Level 3 Communications, LLC | Network path selection using bandwidth prediction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103338150A (en) * | 2013-07-19 | 2013-10-02 | 中国人民解放军信息工程大学 | Method and device for establishing information communication network system structure, as well as server and router |
| CN103346922A (en) * | 2013-07-26 | 2013-10-09 | 电子科技大学 | Controller for determining network state based on SDN (Software Defined Networking) and determination method thereof |
| CN103532846A (en) * | 2013-10-21 | 2014-01-22 | 深信服网络科技（深圳）有限公司 | Route link selection method and device |
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