CN101345713B - Network resource distribution method, apparatus and system - Google Patents
Network resource distribution method, apparatus and system Download PDFInfo
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- CN101345713B CN101345713B CN2008101464614A CN200810146461A CN101345713B CN 101345713 B CN101345713 B CN 101345713B CN 2008101464614 A CN2008101464614 A CN 2008101464614A CN 200810146461 A CN200810146461 A CN 200810146461A CN 101345713 B CN101345713 B CN 101345713B
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Abstract
An embodiment of the invention discloses an allocating method of network resource, a device and a system, comprising: dividing the network resource into dynamic network resource and static network resource; receiving resource request information transmitted by a packet layer device, after monitoring that flow at a first path exceeds prescheduled flow threshold, wherein the resource request information requests to allocate the network resource for a second path computed by a path computing unit; allocating the dynamic network resource for the second path according to the resource request information. According to the embodiment of the invention, an explorer performs centralized systematic management on the network resource, thereby dynamically allocating the network resource onto an end-to-end optimal path, advancing utilance of the network resource, increasing adaptability of network on flow change, reducing integral cost and operating cost of the network.
Description
Technical field
The embodiment of the invention relates to communication technical field, particularly a kind of distribution method of Internet resources, device and system.
Background technology
The shared bandwidth resource is the internet one of the main reasons lower than private network cost between the multiple business.The shared bandwidth resource is meant that the multiple business flow transmits on a link.The internet is disposed according to layered model always, converges from being linked into, and to MAN backbone network, arrives national backbone network again.Insert, convergence-level adopts low bandwidth, link cheaply, backbone network adopts high-bandwidth link.Though backbone links price height, but the cost of unit bandwidth and low bandwidth link are suitable, perhaps lower slightly, backbone network adopts high-bandwidth link, the multiple business flow converges to high-rise router step by step, carry out transporting and bandwidth sharing, improve long-distance key line efficiency, thereby reduce the cost of whole network.
The route selecting method that the service traffics of internet adopt is based on IP (Intemet Protocol, Internet Protocol) hop-by-hop is selected optimal path, the main foundation of routing is a link bandwidth, the resource distribution situation of promptly having disposed, rather than the available situation of current network resources, therefore occur all flows easily and crowd on a link, and the situation of other link idle.
The another kind of route selecting method that prior art provides is the method for traffic engineering.In this method, Internet resources remain static and dispose, and network traffics remain step by step and converge, dredge, and the normal condition down-off is selected optimal path, as the path A-B-C among Fig. 1.Simultaneously, a default in addition TE (Traffic Engineering, traffic engineering) tunnel is as the path A-D-E-C among Fig. 1.The normal conditions down-off transmits by A-B-C, when just partial discharge is dredged on the A-D-E-C when congested appears in A-B-C.
But in the method for traffic engineering, network remains static and disposes, and transport layer topological sum IP etale topology and link circuit resource all are changeless.Default traffic engineering tunnel must be separated with optimal path in order to get around congestion link, may detour like this.A large amount of Internet resources are not to be configured on the optimal path, can increase the expense of Internet resources, and cost can increase, and service quality also can descend, and can increase such as postponing.Another problem is that A-D-E-C is appointment, and this path also may occur congested simultaneously, if all traffic engineering tunnels bandwidth resource all so just can't reach the purpose of resource-sharing, whole net cost is higher.
Prior art also provides a kind of transport layer professional calculating automatically, and the method for carrying out routing in the method, is calculated IP layer and transport layer transmission path respectively, and when disposing business, the topological sum resource of IP layer and transport layer all reconfigures.
But said method can not cover all network traffics demands shift, can only not connect original between router, need open the demand of connection now and carry out the automation processing, and the unresolved problem that connects for router in what situations, can only be manual intervention, when network traffics change, still can not change the resource distribution on topology or the link automatically.
Prior art has also proposed a kind of method of dynamic allocation of transmission resource, just sets up new the connection by management interface request transport layer when the IP layer finds that certain bar link flow is big, increases bandwidth.Finding certain bar connection traffic when the IP layer hour just asks transport layer to be removed and connects, discharge the transport layer resource.
But said method is an IP layer control transmission layer resource, and IP layer resource still can only be used according to the method for traffic engineering, can not dynamic assignment, can not change the network topology of IP layer.
Summary of the invention
The embodiment of the invention provides a kind of distribution method, device and system of Internet resources, and realizing packet layer and transport layer resource unified management, dynamic assignment is distributed according to need Internet resources to end to end on the optimal path.
For achieving the above object, the embodiment of the invention provides a kind of distribution method of Internet resources on the one hand, comprising:
Internet resources are divided into dynamic network resource and static network resource, and described Internet resources comprise bandwidth resources;
Flow on monitoring first path surpasses after the default Stream threshold value, receives the resource request message that packet layer equipment sends, and described resource request message request is the second path allocation Internet resources that path-calculating element calculates;
The resource type and the bandwidth of the Internet resources of asking that carry according to described resource request message are the described dynamic network resource of the described second path allocation respective bandwidth.
On the other hand, the embodiment of the invention also provides a kind of distribution method of Internet resources, comprising:
Monitor the flow on first path;
Judge whether the flow on described first path surpasses default first flow threshold value;
When the flow on described first path surpasses default first flow threshold value, the indication path-calculating element calculates second path, send resource request message to explorer, the resource type and the bandwidth of the Internet resources of asking that carry according to described resource request message at described explorer, after the dynamic network resource for the described second path allocation respective bandwidth, flow on described first path is switched on described second path, perhaps between described first path and second path, carry out load balancing.
On the one hand, the embodiment of the invention also provides a kind of packet layer equipment, comprising again:
Monitoring modular is used to monitor the flow on first path;
Judge module is used to judge whether the flow on first path of described monitoring module monitors surpasses default first flow threshold value;
Calculate indicating module, be used for when described judge module determines that flow on described first path surpasses default first flow threshold value, indicating path-calculating element to calculate second path;
Request sending module is used for sending resource request message to explorer;
The flow processing module, the resource type and the bandwidth that are used for the Internet resources of asking that carry according to described resource request message at described explorer, after the dynamic network resource for the described second path allocation respective bandwidth, flow on described first path is switched on described second path, perhaps between described first path and second path, carry out load balancing.
On the one hand, the embodiment of the invention also provides a kind of explorer, comprising again:
Resource management module is used for Internet resources are carried out Classification Management, and described Internet resources are divided into dynamic network resource and static network resource;
The request receiver module, the flow that is used on monitoring first path surpasses after the default Stream threshold value, receive the resource request message that packet layer equipment sends, described resource request message request is the second path allocation Internet resources that path-calculating element calculates;
Resource distribution module is used for the resource type and the bandwidth of the Internet resources of asking that carry according to the resource request message that the described request receiver module receives, and is the described dynamic network resource of the described second path allocation respective bandwidth.
On the one hand, the embodiment of the invention also provides a kind of distribution system of Internet resources, comprises packet layer equipment and explorer again,
Described packet layer equipment, be used to monitor the flow on first path, when the flow on determining described first path surpasses default first flow threshold value, the indication path-calculating element calculates second path, and to described explorer transmission resource request message, after described explorer according to described resource request message is the described second path allocation dynamic network resource, flow on described first path is switched on described second path, perhaps between described first path and second path, carry out load balancing;
Described explorer, be used for Internet resources are carried out Classification Management, described Internet resources are divided into dynamic network resource and static network resource, receive the resource request message that described packet layer equipment sends, and the resource type and the bandwidth of the Internet resources of asking that carry according to described resource request message, be the described dynamic network resource of the described second path allocation respective bandwidth.
Compared with prior art, the embodiment of the invention has the following advantages: pass through the embodiment of the invention, explorer is concentrated Classification Management to Internet resources, after the resource request message that receives packet layer equipment, the second path allocation dynamic network resource for this packet layer calculation of equipments, realized the Internet resources dynamic assignment to optimal path end to end, improved utilization rate of network resource, improved the adaptive capacity of network, reduced the whole cost and the operation cost of network changes in flow rate.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the routing resource schematic diagram of prior art traffic engineering;
Fig. 2 is the flow chart of the distribution method of a kind of Internet resources of the embodiment of the invention;
Fig. 3 is the flow chart of the distribution method of the another kind of Internet resources of the embodiment of the invention;
Fig. 4 is the network architecture schematic diagram of the distribution method of embodiment of the invention Internet resources;
Fig. 5 is the flow chart of the distribution method embodiment one of Internet resources of the present invention;
Fig. 6 is the structure chart of the distribution system of embodiment of the invention Internet resources;
Fig. 7 is the structure chart of embodiment of the invention packet layer equipment;
Fig. 8 is the structure chart of embodiment of the invention explorer.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of distribution method of Internet resources, explorer is concentrated Classification Management with all or part of resource of transport layer and packet layer, demand dynamic assignment Internet resources according to bandwidth, realization with the Internet resources dynamic assignment to optimal path end to end, improved utilization rate of network resource, improve the adaptive capacity of network, reduced whole cost of network and operation cost changes in flow rate.Wherein, transport layer comprises SDH (Synchronous Digital Hierarchy, SDH (Synchronous Digital Hierarchy)) or WDM (Wavelength Division Multiplexing, wavelength division multiplexing) etc.; Packet layer comprises IP or MPLS (Multi-Protocol Label Switch, multiprotocol label switching) etc.
As shown in Figure 2, the flow chart for the distribution method of a kind of Internet resources of the embodiment of the invention comprises:
Step S201 is divided into dynamic network resource and static network resource with Internet resources.
In the embodiment of the invention, explorer is concentrated Classification Management to Internet resources, and Internet resources are divided into dynamic network resource and static network resource.In addition, explorer indication packet layer equipment carries out physical connection to the dynamic network resource, is the interface assignment dynamic socket sign that the dynamic network resource connects, and receives and preserve the physical connection information of the dynamic network resource that this packet layer equipment reports.
Step S202, the flow on monitoring first path surpass after the default Stream threshold value, receive the resource request message that packet layer equipment sends.This resource request message request is the second path allocation Internet resources that path-calculating element calculates.
Step S203 is the second path allocation dynamic network resource according to resource request message.Be specifically as follows:
The resource type and the bandwidth of the Internet resources of asking that carry according to this resource request message are the dynamic network resource of the second path allocation respective bandwidth.
The distribution method of above-mentioned Internet resources, explorer is concentrated Classification Management to Internet resources, after the resource request message that receives packet layer equipment, the second path allocation dynamic network resource for path-calculating element calculating, realized the Internet resources dynamic assignment to optimal path end to end, improved utilization rate of network resource, improved the adaptive capacity of network, reduced the whole cost and the operation cost of network changes in flow rate.
As shown in Figure 3, the flow chart for the distribution method of the another kind of Internet resources of the embodiment of the invention comprises:
Step S301 monitors the flow on first path.
Step S302 judges whether the flow on first path surpasses default first flow threshold value.When the flow on first path surpasses default first flow threshold value, execution in step S303; When the flow on first path is lower than default first flow threshold value, return execution in step S301, continue the flow on monitoring first path.
Step S303, the indication path-calculating element calculates second path, send resource request message, after explorer according to this resource request message is this second path allocation dynamic network resource, flow on first path is switched on second path, perhaps between first path and second path, carry out load balancing.
Packet layer equipment carries the requirement of this packet layer equipment to institute's request resource in the resource request message that explorer sends, comprise the bandwidth of institute's request resource and the resource type of institute's request resource.
The packet layer change in topology that this second path causes is by the unified configuration of explorer, and perhaps packet layer equipment uses second path by link layer functionality, the change in topology of shielding packet layer.
Flow on first path is being switched on second path, after perhaps the flow on first path being carried out load balancing between first path and second path, flow on packet layer monitoring of equipment second path, judge whether the flow on this second path is lower than the second default Stream threshold value, when the flow on second path is lower than the second default Stream threshold value, remove second path, and the notice explorer discharges the resource that second path takies.
The distribution method of above-mentioned Internet resources, explorer is concentrated Classification Management to Internet resources, flow on the packet layer monitoring of equipment path, explorer is according to the demand dynamic assignment Internet resources of packet layer device for flow amount, with the Internet resources dynamic assignment to optimal path end to end, improved utilization rate of network resource, improved the adaptive capacity of network, reduced the whole cost and the operation cost of network changes in flow rate.
As shown in Figure 4, the network architecture schematic diagram for the distribution method of embodiment of the invention Internet resources comprises control and management layer equipment, packet layer equipment and transport layer equipment in the network shown in the embodiment one.Packet layer equipment is specifically as follows router, comprises router-A 31, router B32 and router C33.Control and management layer equipment comprises PCE (Path Compute, path-calculating element) 34 and explorer 35.PCE34 is used for calculating path, and explorer 35 is used to distribute unitedly Internet resources.PCE34 and explorer 35 may operate in independently on the server, also may operate on router or the transmission equipment, and PCE34 and explorer 35 also can integrate, and become a functional entity.
The embodiment of the invention is divided into two parts with Internet resources, is example with the physical port of router, the physical port of router can be divided into static interface and dynamic socket, and in Fig. 4,36 are depicted as dynamic socket, and 37 are depicted as static interface; Can certainly all incorporate total interface into dynamic socket.Transfer resource also can adopt this method unified distribution to use.
Wherein, static interface is distributed when planning, connects when network design, configures, and just can use.
The dynamic network resource is placed holding state, be specifically as follows: dynamic socket is connected on the transmission equipment, packet layer equipment distributes the dynamic socket sign for this dynamic socket, and packet layer is not specified the far-end neighbor of dynamic socket, and transport layer also is not established to the connection of far-end for this dynamic socket.Then, packet layer equipment reports explorer 35 with the type of dynamic socket sign, dynamic socket (as gigabit Ethernet etc.), physical connection situation (for example: be connected on which platform transmission equipment) and other related datas.
As shown in Figure 5, the flow chart for the distribution method embodiment one of Internet resources of the present invention specifically comprises:
Step S501 monitors the flow on first path.
When the flow of monitoring on first path, can be by traffic engineering tunnel, be specifically as follows: between a pair of router of needs monitoring flow, set up traffic engineering tunnel, such as setting up traffic engineering tunnel 31-33-32 between router-A in Fig. 4 31 and the router B32, the flow on the monitoring traffic engineering tunnel.Flow monitoring can be undertaken by router-A 31; Also can monitor by server centered, such as by explorer 35, perhaps PCE34, perhaps other server is monitored the flow on all paths.
Step S502 judges whether the flow on first path surpasses default first flow threshold value.If the flow on this first path surpasses default first flow threshold value, execution in step S503～step S507; If the flow on this first path is lower than default first flow threshold value, return execution in step S501, continue the flow on monitoring first path.
Step S503, PCE34 calculate second path, and send resource request message to explorer 35, ask the resource in second path, and this resource request message carries the requirement to institute's request resource, for example: the bandwidth of institute's request resource, resource type etc.
Wherein, second path that PCE34 calculates can be a tie link between router-A 31 and the router B32, and without other routers, this second path also can comprise the multi-hop intermediate router.When PCE34 asks the resource in second path to explorer 35, can be that new route limit application resource is calculated on the limit, also can be again to explorer 35 unified application resources after entire path is calculated.
Step S504, explorer 35 carry out resource matched and distribute.Be specifically as follows: the dynamic socket of in the dynamic socket resource pool of the router in second path, selecting the physics type matching.If PCE34 and explorer 35 integrate, PCE34 can calculate limit, second path application resource in the limit so.
Step S505, second path that PCE34 will calculate and the related resource of distribution notice router-A 31.
Step S506, router-A 31 connects along the second path allocation resource.
The packet layer change in topology that second path causes can be by the unified configuration of explorer 35, perhaps packet layer equipment, and for example router-A 31 uses second path by link layer functionality, the change in topology of shielding packet layer.
Step S507 switches to the flow in first path on second path, perhaps carries out load balancing between first path and second path.Flow switches and load balancing can be finished by packet layer equipment, also can be finished by link layer device.
Step S508 monitors the flow on second path.
Step S509 judges whether the flow on second path is lower than the second default Stream threshold value.When the flow on second path is lower than the second default Stream threshold value, execution in step S510; If the flow on second path is greater than or equal to the second default Stream threshold value, then return execution in step S508, continue the flow on monitoring second path.
Step S510 removes second path, and notice explorer 35 discharges the resource that second path takies.
As long as if explorer 35 has state, promptly explorer 35 has been preserved the resource occupation information in second path, so all related resources that notice explorer 35 discharges on second path.If explorer 35 is stateless, be the resource occupation information that explorer 35 is not preserved second path and second path, can discharge resource by hop-by-hop so, be that every network equipment discharges resource to explorer 35 these nodes of announcement separately when removing the path, perhaps directly upgrade current occupation condition.
The distribution method of above-mentioned Internet resources, 35 pairs of Internet resources of explorer are concentrated Classification Management, are beneficial to the consistency of the view that keeps whole net available resources.And with the Internet resources dynamic assignment, resource-sharing, whole net cost is low, and network is strong to the adaptability of changes in flow rate.The resource of all dynamic assignment all is distributed on the optimal path, and the flow transmission that can not detour reaches optimum, the network service quality height to the using method of resource.And resource is divided into static the use and dynamic assignment two parts, and can specify some path static state to monopolize some resource, strengthened the stability and the service quality in these paths.
As shown in Figure 6, the structure chart for the distribution system of embodiment of the invention Internet resources comprises path-calculating element 61, packet layer equipment 62 and explorer 63,
Path-calculating element 61 is used for calculating path;
The distribution system of these Internet resources can also comprise: transport layer equipment 64, and be used to packet layer equipment 62 that transmission link is provided, the resource of transport layer equipment 64 is by explorer 63 management.Path-calculating element 61 also calculates the path of the transmission link that transport layer equipment 64 provided when calculating path.
Wherein, packet layer equipment 62 is specifically as follows: router, switch or PTN (Packet TransportNetwork, Packet Transport Network) equipment etc.
The distribution system of above-mentioned Internet resources, 63 pairs of Internet resources of explorer are concentrated Classification Management, after the resource request message that receives packet layer equipment 62, the second path allocation dynamic network resource for path-calculating element 61 calculating, realized the Internet resources dynamic assignment to optimal path end to end, improved utilization rate of network resource, improved the adaptive capacity of network, reduced the whole cost and the operation cost of network changes in flow rate.
As shown in Figure 7, the structure chart for embodiment of the invention packet layer equipment comprises:
Monitoring modular 621 is used to monitor the flow on first path;
Calculate indicating module 623, be used for when the flow on judge module 622 definite first paths surpasses default first flow threshold value, indication path-calculating element 61 calculates second path;
Request sending module 624 is used for sending resource request message to explorer 63;
In the embodiment of the invention, monitoring modular 621 also can be used for monitoring the flow on second path, and judge module 622 can be used for also judging whether the flow on second path of monitoring modular 621 monitorings is lower than the second default Stream threshold value;
Above-mentioned packet layer equipment, after flow on first path of judge module 622 definite monitoring modular 621 monitorings surpasses default first flow threshold value, calculate indicating module 623 indication path-calculating elements 61 and calculate second path, after the resource request message that explorer 63 sends according to request sending module 624 is the second path allocation dynamic network resource, flow processing module 625 switches to the flow on first path on second path, perhaps carries out load balancing between first path and second path.Thereby improved utilization rate of network resource, improved the adaptive capacity of network, reduced the whole cost and the operation cost of network changes in flow rate.
As shown in Figure 8, the structure chart for embodiment of the invention explorer comprises:
Wherein, explorer 63 can also comprise:
Indicating module 634 is used to the interface assignment dynamic socket sign of indicating packet layer equipment 62 to connect for the dynamic network resource.
Above-mentioned explorer, 631 pairs of Internet resources of resource management module are concentrated Classification Management, after request receiver module 632 receives the resource request message of packet layer equipment 62, resource distribution module 633 is the second path allocation dynamic network resource that path-calculating element 61 calculates, realized the Internet resources dynamic assignment to optimal path end to end, improved utilization rate of network resource, improved the adaptive capacity of network, reduced the whole cost and the operation cost of network changes in flow rate.
The embodiment of the invention provides a kind of distribution method, device and system of Internet resources, and explorer is concentrated Classification Management to Internet resources, is beneficial to the consistency of the view that keeps whole net available resources.And the dynamic assignment Internet resources, resource-sharing, whole net cost is low, and network is strong to the adaptability of changes in flow rate.The resource of all dynamic assignment all is distributed on the optimal path, and the flow transmission that can not detour reaches optimum, the network service quality height to the using method of resource.And resource is divided into static the use and dynamic assignment two parts, and can specify some path static state to monopolize some resource, strengthened the stability and the service quality in these paths.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (12)
1. the distribution method of Internet resources is characterized in that, comprising:
Internet resources are divided into dynamic network resource and static network resource, and described Internet resources comprise bandwidth resources;
Flow on monitoring first path surpasses after the default Stream threshold value, receives the resource request message that packet layer equipment sends, and described resource request message request is the second path allocation Internet resources that path-calculating element calculates;
The resource type and the bandwidth of the Internet resources of asking that carry according to described resource request message are the described dynamic network resource of the described second path allocation respective bandwidth.
2. the distribution method of Internet resources according to claim 1 is characterized in that, also comprises: indicating described packet layer equipment is the interface assignment dynamic socket sign that described dynamic network resource connects.
3. as the distribution method of Internet resources as described in the claim 2, it is characterized in that, receive and preserve the physical connection information and the dynamic socket sign of the described dynamic network resource that described packet layer equipment reports.
4. the distribution method of Internet resources is characterized in that, comprising:
Monitor the flow on first path;
Judge whether the flow on described first path surpasses default first flow threshold value;
When the flow on described first path surpasses default first flow threshold value, the indication path-calculating element calculates second path, send resource request message to explorer, the resource type and the bandwidth of the Internet resources of asking that carry according to described resource request message at described explorer, after the dynamic network resource for the described second path allocation respective bandwidth, flow on described first path is switched on described second path, perhaps between described first path and second path, carry out load balancing.
5. as the distribution method of Internet resources as described in the claim 4, it is characterized in that, the flow on described first path switched on described second path described, perhaps between described first path and second path, carry out load balancing after, also comprise:
Monitor the flow on described second path;
Judge whether the flow on described second path is lower than the second default Stream threshold value;
When the flow on described second path is lower than the second default Stream threshold value, removes described second path, and notify described explorer to discharge the resource that described second path takies.
6. as the distribution method of Internet resources as described in claim 4 or 5, it is characterized in that, the packet layer change in topology that described second path causes is by the unified configuration of described explorer, and perhaps packet layer equipment uses described second path by link layer functionality, shields the change in topology of described packet layer.
7. a packet layer equipment is characterized in that, comprising:
Monitoring modular is used to monitor the flow on first path;
Judge module is used to judge whether the flow on first path of described monitoring module monitors surpasses default first flow threshold value;
Calculate indicating module, be used for when described judge module determines that flow on described first path surpasses default first flow threshold value, indicating path-calculating element to calculate second path;
Request sending module is used for sending resource request message to explorer;
The flow processing module, the resource type and the bandwidth that are used for the Internet resources of asking that carry according to described resource request message at described explorer, after the dynamic network resource for the described second path allocation respective bandwidth, flow on described first path is switched on described second path, perhaps between described first path and second path, carry out load balancing.
8. as packet layer equipment as described in the claim 7, it is characterized in that described monitoring modular also is used to monitor the flow on described second path, described judge module is used to also judge whether the flow on described second path is lower than the second default Stream threshold value;
Described packet layer equipment also comprises:
Module is removed in the path, is used for removing described second path, and notifying described explorer to discharge the resource that described second path takies when described judge module determines that flow on described second path is lower than the second default Stream threshold value.
9. an explorer is characterized in that, comprising:
Resource management module is used for Internet resources are carried out Classification Management, and described Internet resources are divided into dynamic network resource and static network resource;
The request receiver module, the flow that is used on monitoring first path surpasses after the default Stream threshold value, receive the resource request message that packet layer equipment sends, described resource request message request is the second path allocation Internet resources that path-calculating element calculates;
Resource distribution module is used for the resource type and the bandwidth of the Internet resources of asking that carry according to the resource request message that the described request receiver module receives, and is the described dynamic network resource of the described second path allocation respective bandwidth.
10. as explorer as described in the claim 9, it is characterized in that, also comprise:
Indicating module, being used to indicate described packet layer equipment is the interface assignment dynamic socket sign that described dynamic network resource connects.
11. the distribution system of Internet resources is characterized in that, comprises path-calculating element, packet layer equipment and explorer,
Described path-calculating element is used for calculating path;
Described packet layer equipment, be used to monitor the flow on first path, when the flow on determining described first path surpasses default first flow threshold value, indicate described path-calculating element to calculate second path, and to described explorer transmission resource request message, after described explorer according to described resource request message is the described second path allocation dynamic network resource, flow on described first path is switched on described second path, perhaps between described first path and second path, carry out load balancing;
Described explorer, be used for Internet resources are carried out Classification Management, described Internet resources are divided into dynamic network resource and static network resource, receive the resource request message that described packet layer equipment sends, and the resource type and the bandwidth of the Internet resources of asking that carry according to described resource request message, be the described dynamic network resource of the described second path allocation respective bandwidth.
12. the distribution system as Internet resources as described in the claim 11 is characterized in that, also comprises:
Transport layer equipment is used to described packet layer equipment that transmission link is provided, and the resource of described transport layer equipment is by described resource management management.
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| US8683480B2 (en) * | 2011-06-01 | 2014-03-25 | International Business Machines Corporation | Resource allocation for a plurality of resources for a dual activity system |
| CN102355399B (en) * | 2011-07-14 | 2014-03-12 | 中国联合网络通信集团有限公司 | Method and system for resource synergy between Internet protocol (IP) bearing layer and optical transport layer |
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