CN114567907A - Resource management method, device and system for cross-domain network - Google Patents
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0284—Traffic management, e.g. flow control or congestion control detecting congestion or overload during communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
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Abstract
The invention discloses a resource management method, a device and a system of a cross-domain network. The resource management device comprises a data acquisition unit, a calculation judgment unit and a link allocation unit. The resource management system comprises terminal equipment, a resource management module and a data storage module. By calculating the link blocking rate of the virtual network link of the first terminal device and reallocating different virtual network links to the first terminal device when judging that the virtual network link is blocked according to the link blocking rate, the resource management method, the resource management device and the resource management system improve the network resource utilization rate of the cross-domain network; furthermore, the resource management method, device and system of the cross-domain network provided by the invention also reduce the data loss rate by setting the temporary cache region in the node of the data acquisition network.
Description
Technical Field
The invention relates to the field of resource management of cross-domain networks, in particular to a method, a device and a system for resource management of a cross-domain network.
Background
In a power distribution and utilization communication network, a wireless private network cannot effectively cover all services, so that the algorithm can only solve the services transmitted in the wireless private network, the effectiveness and the reliability are key indexes in network virtualization, the prior art mostly establishes different optimization targets and constraint conditions for network mapping aiming at a single service, on one hand, the difference of services in different scenes on the reliability requirement is not considered, on the other hand, when the services are initially mapped, the services are occupied according to the upper limit of the service on the network resource requirement, the service life cycle is not considered, most of the services are aiming at a static network, and the network mapping area is only limited to virtual network mapping in the domain. In a real environment, a cross-domain network mapping requirement exists, and therefore, research on a cross-domain virtual network mapping problem is necessary.
In the prior art, a virtual resource management algorithm under a power wireless private network is provided, and the algorithm integrates the constraints of physical network cost, service isolation constraint, service quality constraint, profit and the like, and establishes a virtual resource management optimization model.
However, the prior art still has the following defects: the management efficiency is low, the overall utilization rate of network resources is low, and automatic upgrading cannot be performed; and data monitoring is not comprehensive, and the problem of data damage and loss can occur in data monitoring due to the fact that a special data monitoring network is not available, and effective data support cannot be obtained when the problems occur in the follow-up process that data needs to be deeply mined.
Therefore, there is a need for a method, an apparatus and a system for resource management in a cross-domain network, so as to overcome the above-mentioned drawbacks in the prior art.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a method, an apparatus and a system for managing resources of a cross-domain network, so as to improve the network resource utilization of the cross-domain network.
The invention provides a resource management method of a cross-domain network, which comprises the following steps: acquiring a virtual network link and equipment data information corresponding to first terminal equipment; the virtual network link is a preset link which is currently allocated to the first terminal equipment by the virtual network; calculating the link blocking rate of the virtual network link according to the equipment data information, and judging the current network communication condition according to the link blocking rate; and when the virtual network link is judged to be blocked, allocating a first virtual network link different from the virtual network link to the first terminal equipment.
In an embodiment, before obtaining the virtual network link and the device data information corresponding to the first terminal device, the resource management method further includes: acquiring equipment data information of the first terminal equipment at preset time intervals through a preset data acquisition network; the data acquisition network comprises a plurality of nodes, and each node corresponds to each terminal device in the cross-domain network one by one and is in communication connection with each terminal device in the cross-domain network, so that active acquisition or passive acquisition of data information is performed; each node is provided with a temporary cache region; the first terminal device is one or more terminal devices to be subjected to resource management in all terminal devices of the cross-domain network.
In one embodiment, after calculating a link blocking rate of the virtual network link according to the device data information and determining a communication condition of the virtual network link according to the link blocking rate, the resource management method further includes: when judging that the terminal equipment is in fault, sending alarm information to a user; the alarm information includes device data information and the link blocking rate.
In one embodiment, after sending alarm information to a user when it is determined that the terminal device is considered to be faulty, the resource management method further includes: and recording and storing the alarm information into a fault information database.
The invention also provides a resource management device of the cross-domain network, which comprises a data acquisition unit, a calculation judgment unit and a link allocation unit, wherein the data acquisition unit is used for acquiring the virtual network link and the equipment data information corresponding to the first terminal equipment; the virtual network link is a preset link which is currently allocated to the first terminal equipment by the virtual network; the calculation and judgment unit is used for calculating the link blocking rate of the virtual network link according to the equipment data information and judging the current network communication condition according to the link blocking rate; the link allocation unit is configured to allocate a first virtual network link different from the virtual network link to the first terminal device when it is determined that the virtual network link is blocked.
In one embodiment, the resource management apparatus further includes an information acquisition unit, where the information acquisition unit is configured to acquire device data information of the first terminal device at preset time intervals through a preset data acquisition network; the data acquisition network comprises a plurality of nodes, and each node corresponds to and is in communication connection with each terminal device in the cross-domain network one by one; each node is provided with a temporary cache region; the first terminal device is one or more terminal devices to be subjected to resource management in all terminal devices of the cross-domain network.
In one embodiment, the resource management apparatus further includes a failure alarm unit, configured to send alarm information to a user when it is determined that the terminal device is failed; the alarm information includes device data information and the link blocking rate.
The invention also provides a resource management system of the cross-domain network, which comprises terminal equipment, a resource management module and a data storage module, wherein the resource management module is respectively in communication connection with the terminal equipment and the data storage module, the data storage module is used for storing all data, and the resource management module is used for executing the resource management method of the cross-domain network according to all data stored by the data storage module.
In one embodiment, the resource management system further comprises a user interaction module, and the resource management module interacts with the user through the user interaction module.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
the invention provides a resource management method, a device and a system of a cross-domain network, which improve the network resource utilization rate of the cross-domain network by calculating the link blocking rate of a virtual network link of a first terminal device and reallocating different virtual network links to the first terminal device when judging that the virtual network link is blocked according to the link blocking rate.
Furthermore, the resource management method, device and system of the cross-domain network provided by the invention also reduce the data loss rate by setting the temporary cache region in the node of the data acquisition network.
Drawings
The invention will be further described with reference to the accompanying drawings, in which:
FIG. 1 illustrates a flow diagram of one embodiment of a method for resource management across a domain network in accordance with the present invention;
FIG. 2 illustrates a flow diagram of another embodiment of a method of resource management across a domain network in accordance with the present invention;
FIG. 3 is a block diagram illustrating one embodiment of a resource management apparatus for a cross-domain network in accordance with the present invention;
FIG. 4 is a block diagram illustrating one embodiment of a resource management system for a cross-domain network in accordance with the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Detailed description of the preferred embodiment
The embodiment of the invention first describes a resource management method of a cross-domain network. Fig. 1 shows a flow chart of an embodiment of a resource management method of a cross-domain network according to the present invention.
As shown in fig. 1, the method comprises the steps of:
and S1, acquiring the virtual network link and the device data information corresponding to the first terminal device.
The virtual network link is a link currently allocated to the first terminal device by a preset virtual network, and the device data information includes a first link which is mapped successfully and a second link which is mapped unsuccessfully in all the virtual network links.
And S2, calculating the link blocking rate of the virtual network link according to the equipment data information, and judging the current network communication condition according to the link blocking rate.
In order to improve the network resource utilization rate of the cross-domain network, for the first terminal device, the embodiment of the invention firstly calculates to judge whether the virtual network link corresponding to the first terminal device is blocked, and further judges the current network communication condition, thereby determining whether the link needs to be replaced.
Specifically, in one embodiment, this step includes: calculating the ratio of the first link and the second link, and taking the ratio as the link blocking rate; when the link blocking rate is greater than or equal to 2.4%, judging that the current network communication condition is virtual network link blocking; and when the link blocking rate is more than or equal to 6%, judging that the current network communication condition is a terminal equipment fault.
And S3, when the virtual network link is judged to be blocked, allocating a first virtual network link different from the virtual network link to the first terminal equipment.
The embodiment of the invention discloses a resource management method of a cross-domain network, which improves the network resource utilization rate of the cross-domain network by calculating the link blocking rate of a virtual network link of a first terminal device and reallocating different virtual network links to the first terminal device when judging that the virtual network link is blocked according to the link blocking rate.
Detailed description of the invention
Furthermore, the embodiment of the invention also describes a resource management method of the cross-domain network. Fig. 2 shows a flowchart of another embodiment of a resource management method for a cross-domain network according to the present invention.
As shown in fig. 2, the method comprises the steps of:
and A1, acquiring the device data information of the first terminal device at preset time intervals through a preset data acquisition network.
The data acquisition network comprises a plurality of nodes, and each node corresponds to each terminal device in the cross-domain network one by one and is in communication connection with each terminal device in the cross-domain network, so that active acquisition or passive acquisition of data information is performed; each node is provided with a temporary buffer area. And through the temporary buffer area, the packet loss rate is periodically and circularly detected (the time for circularly detecting the packet loss rate is 0.06S), and the buffer area automatically covers data in the next cycle time, so that the data loss rate is reduced. The first terminal device is one or more terminal devices to be subjected to resource management in all the terminal devices of the cross-domain network.
A2, acquiring the virtual network link and the device data information corresponding to the first terminal device.
The virtual network link is a link currently allocated to the first terminal device by a preset virtual network, and the device data information includes a first link which is mapped successfully and a second link which is mapped unsuccessfully in all the virtual network links.
A3, calculating the link blocking rate of the virtual network link according to the device data information, and judging the current network communication situation according to the link blocking rate.
In order to improve the network resource utilization rate of the cross-domain network, for the first terminal device, the embodiment of the invention firstly calculates to judge whether the virtual network link corresponding to the first terminal device is blocked, and further judges the current network communication condition, thereby determining whether the link needs to be replaced.
Specifically, in one embodiment, this step includes: calculating the ratio of the first link and the second link, and taking the ratio as the link blocking rate; when the link blocking rate is greater than or equal to 2.4%, judging that the current network communication condition is virtual network link blocking; and when the link blocking rate is more than or equal to 6%, judging that the current network communication condition is a terminal equipment fault.
A41, when the virtual network link is judged to be blocked, allocating a first virtual network link different from the virtual network link to the first terminal device.
A42, when judging that the terminal equipment is in failure, sending alarm information to a user.
When the link blocking rate is more than or equal to 6%, the terminal equipment is represented to have a request error or an equipment layer fault, and at the moment, an alarm is sent out and node information is called to inform personnel to carry out manual inspection and maintenance. The alarm information includes device data information and the link blocking rate.
A52: and recording and storing the alarm information into a fault information database.
When the link blocking rate is frequently over-high in numerical value, the corresponding terminal equipment may be failed or needs to be upgraded, therefore, in order to record the terminal equipment failure, after alarm information is sent to a user, the alarm information is recorded and stored in a failure information database, an alarm is sent when the link is blocked due to the same problem, whether the link is a avoidable failure or not is judged manually, if yes, system processing, maintenance and upgrading are carried out, and if not, whether the hardware system needs to be upgraded and modified is judged.
The embodiment of the invention describes a resource management method of a cross-domain network, which improves the network resource utilization rate of the cross-domain network by calculating the link blocking rate of a virtual network link of a first terminal device and reallocating different virtual network links to the first terminal device when judging that the virtual network link is blocked according to the link blocking rate; further, the resource management method for the cross-domain network described in the embodiment of the present invention further reduces the data loss rate by setting the temporary cache region in the node of the data acquisition network.
Detailed description of the preferred embodiment
Besides the above method, the embodiment of the present invention also describes a resource management device for a cross-domain network. Fig. 3 is a block diagram illustrating an embodiment of a resource management apparatus of a cross-domain network according to the present invention.
As shown in the figure, the resource management apparatus includes a data acquisition unit 11, a calculation judgment unit 12, and a link allocation unit 13.
The data obtaining unit 11 is configured to obtain a virtual network link and device data information corresponding to a first terminal device; the virtual network link is a link which is preset and currently allocated to the first terminal device by the virtual network.
The calculation and judgment unit 12 is configured to calculate a link blocking rate of the virtual network link according to the device data information, and judge a current network communication condition according to the link blocking rate.
The link allocating unit 13 is configured to allocate a first virtual network link different from the virtual network link to the first terminal device when it is determined that the virtual network link is blocked.
In one embodiment, the resource management apparatus further includes an information acquisition unit, where the information acquisition unit is configured to acquire device data information of the first terminal device at preset time intervals through a preset data acquisition network; the data acquisition network comprises a plurality of nodes, and each node corresponds to and is in communication connection with each terminal device in the cross-domain network one by one; each node is provided with a temporary buffer area.
In one embodiment, the resource management apparatus further comprises a failure alarm unit, wherein the failure alarm unit is configured to send alarm information to a user when it is determined that the terminal device is failed; the alarm information includes device data information and the link blocking rate.
The embodiment of the invention describes a resource management device of a cross-domain network, which improves the network resource utilization rate of the cross-domain network by calculating the link blocking rate of a virtual network link of a first terminal device and reallocating different virtual network links to the first terminal device when judging that the virtual network link is blocked according to the link blocking rate; further, the resource management device of the cross-domain network described in the embodiment of the present invention further reduces the data loss rate by setting the temporary cache region in the node of the data acquisition network.
Detailed description of the invention
In addition to the above method and apparatus, the present invention also describes a resource management system of a cross-domain network. FIG. 4 is a block diagram illustrating one embodiment of a resource management system for a cross-domain network in accordance with the present invention.
As shown in the figure, the resource management system includes a terminal device 2, a resource management module 1 and a data storage module 3, where the resource management module 1 is respectively in communication connection with the terminal device 2 and the data storage module 3, the data storage module 3 is configured to store all data, and the resource management module 1 is configured to execute the resource management method of the cross-domain network according to all data stored by the data storage module 3.
In one embodiment, the resource management system further comprises a user interaction module, and the resource management module interacts with the user through the user interaction module.
In order to implement the above process, the resource management system provides hardware support for the resource management method of the cross-domain network through the resource management module 1 and the user interaction module. In particular, resourcesThe management module comprises a data acquisition network, a data sharing network, a virtual network providing layer and a virtual network service layer; the data acquisition network comprises an access network and a power backbone network, wherein the access network is mainly used for establishing a link network between various terminal equipment of a user and the backbone network, so that a data acquisition device and a data acquisition program need to be arranged at each terminal equipment, each node of the access network and each collection point of the backbone network; the data sharing network (wireless-optical fiber transmission network) is composed of a wireless transmission system, a base station and an optical fiber system, and the data acquisition network is merged into the data sharing network, so that the information acquired by each acquisition device of the data acquisition network realizes data sharing through the wireless-optical fiber transmission network; the virtual network providing layer is used for providing adaptive virtual network links for devices with different bandwidth requirements; the resource request is made through the infrastructure layer when required by one or some terminal devices in the infrastructure layer, wherein the set of virtual service requests is I, each virtual service request in the set is I, and the virtual request uses the undirected weighted graph Gv＝(Nv,Ev) Where Nv denotes the set of nodes in the virtual request, Ev denotes the set of links in the virtual request, and the link weight is the bandwidth request of each virtual link, where for each virtual link E in the virtual request service Iv,x∈{0-|EVL, the requested bandwidth of the link is
At the same time, the request service time t of the virtual servicev(ii) a Likewise, the virtual network provisioning layer uses undirected weighted graph Gs＝(Ns,Es) Is represented by the formula, wherein NSRepresenting a set of nodes of a virtual network offering layer, EsRepresenting a set of links in a virtual network offering layer, for each virtual link L in the virtual network offering layers∈EsThe total bandwidth size of which is Bmax(Ls) Expressed, the remaining bandwidth is expressed as Bs(ls) Link bandwidth utilization is then expressed as a percentage of the total bandwidth minus the remaining bandwidth.
The embodiment of the invention describes a resource management system of a cross-domain network, which improves the network resource utilization rate of the cross-domain network by calculating the link blocking rate of a virtual network link of a first terminal device and reallocating different virtual network links to the first terminal device when judging that the virtual network link is blocked according to the link blocking rate; further, the resource management system of the cross-domain network described in the embodiment of the present invention further reduces the data loss rate by setting the temporary cache region in the node of the data acquisition network.
The above-mentioned embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, and it should be understood that the above-mentioned embodiments are only examples of the present invention and are not intended to limit the scope of the present invention. It should be understood that any modifications, equivalents, improvements and the like, which come within the spirit and principle of the invention, may occur to those skilled in the art and are intended to be included within the scope of the invention.
Claims (9)
1. A resource management method for a cross-domain network is characterized in that the resource management method comprises the following steps:
acquiring a virtual network link and equipment data information corresponding to first terminal equipment; the virtual network link is a preset link which is currently allocated to the first terminal equipment by the virtual network;
calculating the link blocking rate of the virtual network link according to the equipment data information, and judging the current network communication condition according to the link blocking rate;
and when the virtual network link is judged to be blocked, allocating a first virtual network link different from the virtual network link to the first terminal equipment.
2. The method for resource management of a cross-domain network according to claim 1, wherein before the obtaining of the virtual network link and the device data information corresponding to the first terminal device, the method for resource management further comprises:
acquiring equipment data information of the first terminal equipment at preset time intervals through a preset data acquisition network; the data acquisition network comprises a plurality of nodes, and each node corresponds to each terminal device in the cross-domain network one by one and is in communication connection with each terminal device in the cross-domain network, so that active acquisition or passive acquisition of data information is performed; each node is provided with a temporary cache region; the first terminal device is one or more terminal devices to be subjected to resource management in all terminal devices of the cross-domain network.
3. The method for resource management of a cross-domain network according to claim 1 or 2, wherein after calculating a link blocking rate of the virtual network link according to the device data information and determining a communication condition of the virtual network link according to the link blocking rate, the method for resource management further comprises:
when judging that the terminal equipment is in fault, sending alarm information to a user; the alarm information includes device data information and the link blocking rate.
4. The method for resource management of a cross-domain network according to claim 3, wherein after sending an alarm message to a user when it is determined that the terminal device is considered to be faulty, the method further comprises:
and recording and storing the alarm information into a fault information database.
5. A resource management device of a cross-domain network is characterized in that the resource management device comprises a data acquisition unit, a calculation judgment unit and a link allocation unit,
the data acquisition unit is used for acquiring a virtual network link and equipment data information corresponding to the first terminal equipment; the virtual network link is a preset link which is currently allocated to the first terminal equipment by the virtual network;
the calculation and judgment unit is used for calculating the link blocking rate of the virtual network link according to the equipment data information and judging the current network communication condition according to the link blocking rate;
the link allocation unit is configured to allocate a first virtual network link different from the virtual network link to the first terminal device when it is determined that the virtual network link is blocked.
6. The apparatus of claim 5, further comprising an information collecting unit, configured to collect device data information of the first terminal device at a preset time interval through a preset data collecting network; the data acquisition network comprises a plurality of nodes, and each node corresponds to and is in communication connection with each terminal device in the cross-domain network one by one; each node is provided with a temporary cache region; the first terminal device is one or more terminal devices to be subjected to resource management in all terminal devices of the cross-domain network.
7. The apparatus for resource management of a cross-domain network according to claim 6, further comprising a failure alarm unit, configured to send alarm information to a user when it is determined that the terminal device is failed; the alarm information includes device data information and the link blocking rate.
8. A resource management system of a cross-domain network is characterized by comprising a terminal device, a resource management module and a data storage module, wherein the resource management module is respectively in communication connection with the terminal device and the data storage module, the data storage module is used for storing all data, and the resource management module is used for executing the resource management method of the cross-domain network according to all the data stored by the data storage module.
9. The system of claim 8, further comprising a user interaction module, through which the resource management module interacts with a user.
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