CN109995671B - Resource allocation method of virtualized content distribution network and network service equipment - Google Patents
Resource allocation method of virtualized content distribution network and network service equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5003—Managing SLA; Interaction between SLA and QoS
- H04L41/5019—Ensuring fulfilment of SLA
- H04L41/5025—Ensuring fulfilment of SLA by proactively reacting to service quality change, e.g. by reconfiguration after service quality degradation or upgrade
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5041—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the time relationship between creation and deployment of a service
- H04L41/5054—Automatic deployment of services triggered by the service manager, e.g. service implementation by automatic configuration of network components
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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
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The invention provides a resource allocation method of a virtualized content distribution network and network service equipment. The method is applied to an operation management system OMS of a virtualized content delivery network vCDN, and comprises the following steps: sending a resource configuration adjustment request to a Virtual Network Function Manager (VNFM) of a telecom cloud TIC node, wherein the resource configuration adjustment request is an expansion request or a newly-built configuration request. In the method, the OMS can actively send a resource configuration adjustment request to the VNFM so as to respond to the predicted capacity change of the edge service node SNS of the client, change the CDN service capability and adapt to the future operation requirement of the edge service node SNS of the client.
Description
Technical Field
The present invention relates to the field of core network technologies, and in particular, to a resource allocation method and a network service device for a virtualized content distribution network.
Background
A virtualized Content Delivery Network (vnn for short), that is, virtualization technologies such as Network Function Virtualization (NFV for short) are used to deploy components of a conventional Content Delivery Network CDN, such as an edge service node, a Content center, a scheduling control center, and the like, in a virtualized VNF form in a novel telecommunication cloud computer room. The vCDN can dynamically adjust service capacity according to load change conditions, increase capacity expansion/capacity reduction flexibility, enable edge nodes to be remotely controlled, and be simple and convenient to install, greatly shorten service online time, achieve rapid and near-real-time service capacity elastic expansion, and achieve guarantee and optimization of network services.
The novel telecommunication Cloud takes an NFV/Software Defined Network (SDN) as two core technology bases, and novel telecommunication Cloud (TIC) nodes are connected through a novel Network formed by the SDN, so that complicated and various traditional computer rooms are developed into a unified data center, distributed novel telecommunication Cloud infrastructure is formed, a traditional Network management system is developed into an automatic management and arrangement system, and automatic arrangement and intelligent management of the Network are realized.
As shown in fig. 1, the peripheral systems and network elements accessed by the virtualized content delivery network vndn include: network Function Virtualization Orchestrators (NFVO), (virtual Network Function managers, VNFM for short), virtualization Infrastructure managers (VIM for short), element Management systems (Element Management systems, EMS for short), network Function virtualization infrastructures (NFVI for short), and shared cloud storage systems.
According to the overall architecture diagram of the CDN System shown in fig. 2, generally, based on analysis in a service scenario and a functional requirement, an Operation Management System (OMS) and a scheduling control System TCS of a vndn scheduling delivery layer may be deployed based on existing service software and an X86 universal hardware server, and are not necessarily implemented in a virtualized NFV manner.
The most necessary one is an edge Service Node (SNS) of the edge service layer, and when the CDN node service traffic of the CP customer dynamically changes, the edge service node based on the virtualization technology can adjust the virtual machine resource allocation of the VNF of the vnd at any time according to the change in traffic, to implement dynamic capacity expansion or capacity reduction, thereby satisfying the new traffic demand or releasing the idle virtual machine resources.
At present, the capacity of an edge service node VNF for implementing a vndn in the industry is adjusted to a passive mode, that is, two trigger values are set for a CPU load or a portal traffic load of the VNF, one is an expansion trigger value, and the other is a contraction trigger value. And when the related load of the VNF in actual operation is increased and reaches the capacity expansion trigger value, if the CPU load exceeds 80%, starting the VNF capacity expansion operation and applying more virtual machine resources to the VIM. And when the CPU load is lower than 20%, starting the VNF capacity reduction operation, and releasing a part of virtual machine resources to the VIM.
Therefore, in the prior art, service capability expansion or capacity reduction of the vdnp edge service node is based on a load condition of the vdnp VNF, and is passively implemented by monitoring through the VNFM according to preset configuration parameters. However, for an actual service scenario of the CDN, there are a lot of operation requirements that the service capability of the vndn edge node needs to be proactively allocated before an actual access pressure change occurs. Currently, no scheme or key technology for actively and cooperatively providing service guarantee by the CDN and the TIC is provided in the industry for a vCDN scene.
Disclosure of Invention
The technical scheme of the invention aims to provide a resource configuration method and network service equipment of a virtualized content delivery network, and solve the problem that in the prior art, the service capacity adjustment of a vCDN edge service node is based on a passive mode and cannot meet a large number of operation requirements in advance.
The embodiment of the invention provides a resource configuration method of a virtualized content delivery network, which is applied to an Operation Management System (OMS) of a virtualized content delivery network (vCDN), wherein the resource configuration method comprises the following steps:
sending a resource configuration adjustment request to a Virtual Network Function Manager (VNFM) of a telecom cloud TIC node; the resource allocation adjustment request is a capacity expansion request or a newly-built configuration request.
Preferably, the resource configuration method of the virtualized content distribution network further includes:
sending a resource application query request to a VNFM of a telecom cloud TIC node;
receiving resource application feedback information sent by the VNFM after resource query is carried out on a Network Function Virtualization Orchestrator (NFVO) according to the resource application query request;
and sending the resource configuration adjustment request to a VNFM of the corresponding TIC node according to the resource application feedback information.
Preferably, the resource allocation method of the virtualized content distribution network further includes:
acquiring the capacity requirement of SNS (social network site) of edge service nodes of all signed content provider CP (content provider) customers in a future specific time period;
and sending the resource application query request to a VNFM of the TIC node according to the capacity requirement.
Preferably, the resource configuration method of the virtualized content distribution network, wherein the step of sending the resource configuration adjustment request to the VNFM of the corresponding TIC node according to the resource application feedback information includes:
counting resource application feedback information sent by the VNFM of a plurality of TIC nodes;
according to the capacity requirement and resource application feedback information sent by the VNFM of the plurality of TIC nodes, determining corresponding TIC nodes capable of meeting the resource application query request, and calculating resource configuration adjustment amount of the corresponding TIC nodes;
and sending a resource configuration adjustment request to the corresponding TIC node according to the resource configuration adjustment amount.
Preferably, the resource configuration method of the virtualized content distribution network, wherein when the resource configuration adjustment request is a new configuration request, the method further includes:
receiving the VNFM feedback and newly-created network function virtualization SNS _ VNF instance information of the edge service node;
and completing configuration of service operation parameters on the SNS _ VNF.
Preferably, the resource configuration method of the virtualized content distribution network, wherein when the resource configuration adjustment request is a capacity expansion request, the method further includes:
and receiving the VNFM feedback and the expanded network function virtualization SNS _ VNF instance information of the edge service node.
The embodiment of the present invention further provides another resource configuration method for a virtualized content distribution network, which is applied to a virtual network function manager VNFM of a telecommunications cloud TIC node, where the resource configuration method includes:
receiving a resource configuration adjustment request sent by an Operation Management System (OMS) of a virtualized content delivery network (vCDN); wherein the resource configuration adjustment request is a capacity expansion request or a newly-built configuration request;
and executing a corresponding resource allocation adjusting process according to the resource allocation adjusting request.
Preferably, the resource allocation method of the virtualized content distribution network further includes:
receiving a resource application query request sent by the OMS;
according to the resource application query request, performing resource query on a network function virtualization orchestrator NFVO;
and sending resource application feedback information to the OMS according to the resource query result.
Preferably, the resource configuration method of the virtualized content distribution network, wherein, when the resource configuration adjustment request is a capacity expansion request, the step of executing the corresponding resource configuration adjustment process according to the resource configuration adjustment request includes:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending a virtual machine capacity expansion operation request to a Virtual Infrastructure Manager (VIM);
receiving capacity expansion virtual machine information fed back by the VIM after capacity expansion according to the virtual machine capacity expansion operation request;
and feeding back and expanding network function virtualization (SNS _ VNF) instance information of the edge service node after the OMS is subjected to capacity expansion.
Preferably, the resource allocation method of the virtualized content distribution network, wherein, when the resource allocation adjustment request is a new configuration request, the step of executing the corresponding resource allocation adjustment process according to the resource allocation adjustment request includes:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending an instance creation request to a virtualization infrastructure manager, VIM;
receiving virtual machine information created by the VIM;
installing SNS application software of an edge service node on a virtual machine corresponding to the virtual machine information;
receiving installation and operation information fed back by network function virtualization (SNS _ VNF) of the installed edge service node;
and feeding back the instance information of the SNS _ VNF to the OMS.
The embodiment of the present invention further provides a network service device, which is applied to an operation management system OMS of a virtualized content delivery network (vCDN), wherein the network service device includes:
the transceiver is used for sending a resource configuration adjustment request to a VNFM of a virtual network function manager of the telecom cloud TIC node; the resource allocation adjustment request is a capacity expansion request or a newly-built configuration request.
Preferably, the network service device, wherein the transceiver is further configured to:
sending a resource application query request to a VNFM of a telecom cloud TIC node;
receiving resource application feedback information sent by the VNFM after resource query is carried out on a Network Function Virtualization Orchestrator (NFVO) according to the resource application query request;
and sending the resource configuration adjustment request to a VNFM of the corresponding TIC node according to the resource application feedback information.
Preferably, the network service device, wherein the transceiver is further configured to:
acquiring the capacity requirement of SNS (social network site) of edge service nodes of all signed content provider CP (content provider) customers in a future specific time period;
and sending the resource application query request to the VNFM of the TIC node according to the capacity requirement.
Preferably, the network service device, when the transceiver sends the resource configuration adjustment request to the VNFM of the TIC node according to the resource application feedback information, specifically:
counting resource application feedback information sent by the VNFM of each TIC node;
according to the capacity requirement and resource application feedback information sent by the VNFM of each TIC node, determining a corresponding TIC node capable of meeting the resource application query request, and calculating a resource configuration adjustment amount of the corresponding TIC node;
and sending a resource configuration adjustment request to the corresponding TIC node according to the resource configuration adjustment amount.
Preferably, the network service device further comprises a first processor, and the first processor is configured to:
when the resource configuration adjustment request is a newly-built configuration request, receiving the VNFM feedback and newly-built SNS _ VNF instance information of the network function virtualization of the edge service node;
and completing configuration of service operation parameters on the SNS _ VNF.
Preferably, the network service device further comprises a second processor, and the second processor is configured to:
and when the resource configuration adjustment request is an expansion request, receiving the VNFM feedback and the network function virtualization SNS _ VNF instance information of the edge service node after expansion.
The embodiment of the present invention further provides another network service device, which is applied to a virtual network function manager VNFM of a telecommunication cloud TIC node, where the network service device includes:
the system comprises a first transceiver and a second transceiver, wherein the first transceiver is used for receiving a resource configuration adjustment request sent by an Operation Management System (OMS) of a virtualized content delivery network (vCDN); wherein the resource allocation adjustment request is a capacity expansion request or a newly-built configuration request;
and the processor is used for executing a corresponding resource configuration adjusting process according to the resource configuration adjusting request.
Preferably, the network service device further includes a second transceiver, configured to:
receiving a resource application query request sent by the OMS;
according to the resource application query request, performing resource query on a network function virtualization orchestrator NFVO;
and sending resource application feedback information to the OMS according to the resource query result.
Preferably, in the network service device, when the resource configuration adjustment request is a capacity expansion request, the processor is specifically configured to:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending a virtual machine capacity expansion operation request to a Virtual Infrastructure Manager (VIM);
receiving capacity expansion virtual machine information fed back by the VIM after capacity expansion according to the virtual machine capacity expansion operation request;
and feeding back and expanding network function virtualization (SNS _ VNF) instance information of the edge service node after the OMS is subjected to capacity expansion.
Preferably, in the network service device, when the resource configuration adjustment request is a new configuration request, the processor is specifically configured to:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending an instance creation request to a virtualization infrastructure manager, VIM;
receiving virtual machine information created by the VIM;
installing SNS application software on the virtual machine corresponding to the virtual machine information;
receiving installation and operation information fed back by network function virtualization (SNS _ VNF) of the installed edge service node;
and feeding back the instance information of the SNS _ VNF to the OMS.
The embodiment of the invention also provides network service equipment, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor; wherein the processor executes the program to perform the resource allocation method of the virtualized content distribution network as described in any one of the above.
An embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in the resource configuration method for a virtualized content distribution network according to any one of the above.
At least one of the above technical solutions of the present invention has the following beneficial effects:
according to the resource configuration method, the OMS can actively send the resource configuration adjustment request to the VNFM so as to respond to the expected capacity change of the SNS of the edge service node of the client, change the CDN service capacity and adapt to the future operation requirement of the SNS of the edge service node of the client.
Drawings
Fig. 1 is a schematic structural diagram of a peripheral system and a network element accessed by a virtualized content delivery network (vndn) in the prior art;
fig. 2 is a schematic structural diagram of a virtualized content delivery network vndn in the prior art;
fig. 3 is a schematic flowchart of a resource allocation method for a virtualized content distribution network according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of a resource allocation method for a virtualized content distribution network according to a second embodiment of the present invention;
fig. 5 is a detailed flowchart of step S430 in fig. 4;
fig. 6 is a schematic flowchart of a resource allocation method of a virtualized content distribution network according to a third embodiment of the present invention;
fig. 7 is a schematic flowchart of a resource allocation method of a virtualized content distribution network according to a fourth embodiment of the present invention;
figure 8 is a schematic diagram of a process for implementing a new VNF instance by using the method according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a process for performing the extension of the VNF instance by using the method according to the embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Aiming at the problem that the service capacity adjustment of the existing vCDN edge service node is based on a passive mode and cannot meet a large number of operation requirements in advance, the invention provides a resource allocation method of a virtualized content delivery network.
Specifically, according to fig. 3, a resource configuration method for a virtualized content delivery network according to an embodiment of the present invention is applied to an operation management system OMS of a virtualized content delivery network vpns, and includes:
s310, sending a resource configuration adjustment request to a Virtual Network Function Manager (VNFM) of the telecommunication cloud TIC node; the resource configuration adjustment request is a capacity expansion request or a newly-built configuration request.
The resource configuration method of the virtualized content delivery network vCDN provided by the embodiment of the invention can actively provide resource configuration adjustment in advance to deal with the expected capacity change of the edge service node SNS of the client so as to change the service capability of the CDN and adapt to the future operation requirement of the edge service node SNS of the client.
Based on the resource allocation method of the embodiment, with reference to fig. 1 and fig. 2, an interface needs to be newly added in the CDN operation management system OMS and the VNFM in the novel telecom cloud TIC node to complete the above steps.
The present invention further provides a resource allocation method for a virtualized content delivery network according to the second embodiment, where the method is applied to an operation management system OMS of a virtualized content delivery network vpns, and as shown in fig. 4, the method includes:
s410, sending a resource application query request to a VNFM of a TIC node of the telecommunication cloud;
s420, receiving resource application feedback information sent by the VNFM after resource query is performed on a network function virtualization orchestrator NFVO according to the resource application query request;
s430, according to the resource application feedback information, sending the resource configuration adjustment request to the VNFM of the corresponding TIC node.
By adopting the resource configuration method of the virtualized content delivery network according to the second embodiment, the OMS sends the resource application query request to the TIC node, obtains the resource application feedback information sent by the VNFM after performing resource query to the network function virtualization orchestrator NFVO according to the resource application query request, so as to obtain the service capability of the existing TIC node, and sends the resource configuration adjustment request to the VNFM of the corresponding TIC node according to the service capability fed back in the resource application feedback information of the corresponding TIC node, so that the TIC node performs VIM resource adjustment, thereby ensuring that the client actively allocates the service capability of the edge node of the vdns in advance before generating a large access pressure change.
Preferably, in the method for resource allocation according to the second embodiment in fig. 4, the method further includes:
acquiring the capacity requirement of an edge service node SNS of all signed content provider CP customers of the CDN in a future specific time period;
and sending the resource application query request to a VNFM of the TIC node according to the capacity requirement.
With the above steps in the second embodiment, in order to meet the predicted capacity change of the edge service node SNS of the client, the OMS obtains the capacity requirement of the edge service node SNS of the client in advance, and starts to send the resource application query request to the VNFM of the TIC node according to the capacity requirement.
In the second embodiment of the present invention, according to fig. 5, in step S430, the step of sending the resource configuration adjustment request to the VNFM of the corresponding TIC node according to the resource application feedback information specifically includes:
s431, counting resource application feedback information sent by the VNFM of the plurality of TIC nodes;
s432, according to the capacity requirement and resource application feedback information sent by the VNFM of the plurality of TIC nodes, determining corresponding TIC nodes capable of meeting the resource application query request, and calculating resource configuration adjustment amount of the corresponding TIC nodes;
and S433, sending a resource configuration adjustment request to the corresponding TIC node according to the resource configuration adjustment amount.
Through the above steps, the OMS determines, according to the capacity requirement of the client, preferably the capacity requirement of multiple clients for the same time period, the TIC nodes capable of satisfying the resource application query request according to the service capabilities fed back by the resource application feedback information of each TIC at present, and calculates the resource configuration adjustment amount of the corresponding TIC nodes respectively, so as to serve as a basis for sending the resource configuration adjustment request to the TIC nodes.
In the embodiment of the present invention, in step S430, in sending the resource configuration adjustment request to the corresponding TIC node, the resource configuration adjustment request is an expansion request or a newly-built configuration request.
Preferably, in step S433, when the resource configuration adjustment request is an expansion request, the resource configuration adjustment request includes an expansion value that the VNF in the corresponding TIC node needs to be expanded; and when the resource configuration adjustment request is a new configuration request, the resource configuration adjustment request comprises a capacity value of a newly-built VNF required in a corresponding TIC node. In another aspect of the embodiment of the present invention, when the resource configuration adjustment request is a new configuration request, the method further includes:
receiving the VNFM feedback and newly-created network function virtualization SNS _ VNF instance information of the edge service node;
and completing configuration of service operation parameters on the SNS _ VNF.
When the resource configuration adjustment request is a capacity expansion request, the method further includes:
and receiving the VNFM feedback and the expanded network function virtualization SNS _ VNF instance information of the edge service node.
Specifically, the received SNS _ VNF instance information may include an IP, a port number, a VNF address, and the like.
According to the resource configuration method provided by the embodiment of the invention, the OMS can be used for counting and combining future simultaneous service capacity requirements provided by a plurality of CPs, and calculating and converting the future simultaneous service capacity requirements into capacity expansion of VNFs in a plurality of TIC nodes of an edge service layer or newly-built VNF instance requirements according to the service capacity of the existing TIC nodes. And sending the capacity expansion or new building requirement of the VNF in each TIC to the VNFM by the OMS, inquiring the availability condition of the virtual machine resources from the network function virtualization orchestrator by the VNFM, applying for the virtual machine resources from the VIM if the resources are available, and executing the capacity expansion or new building of the SNS _ VNF instance.
Specifically, in the TIC node, a specific process of performing the expansion or new creation of the SNS _ VNF instance will be described in detail in the following.
By adopting the resource allocation method provided by the embodiment of the invention, the following functions are completed by adding an interface in the VNFM in the CDN operation management system OMS and the novel telecom cloud TIC node:
the OMS sends a resource application query request to a VNFM of the telecommunication cloud TIC node; the VNFM sends resource application feedback information after carrying out resource query to a network function virtualization orchestrator NFVO according to the resource application query request;
the OMS determines corresponding TIC nodes capable of meeting the resource application query request according to resource application feedback information sent by the VNFM of each TIC node, and calculates resource configuration adjustment quantity of the corresponding TIC nodes; sending a resource configuration adjustment request to a corresponding TIC node according to the resource configuration adjustment amount; the resource allocation adjustment request is a capacity expansion request or a newly-built configuration request;
the VNFM feeds back expanded or newly-built VNF embodiment information to the OMS;
and the OMS sends a service configuration instruction to the expanded or newly-built SNS _ VNF, and the expanded or newly-built SNS _ VNF after configuration is formally online so as to provide service for the user.
According to the resource configuration method for the virtualized content distribution network, in order to deal with the predicted capacity change of the edge service node SNS of the client, the OMS obtains the capacity requirement of the edge service node SNS of the client in advance, calculates and converts the capacity expansion of the VNF or the new VNF instance requirement in the multiple TIC nodes of the edge service layer into a capacity expansion request or a resource new creation request according to the service capacity of the existing TIC node, and actively sends the capacity expansion request or the resource new creation request to the corresponding TIC node to perform resource adjustment of the VIM, thereby ensuring that the service capacity of the edge node of the vnd is actively deployed in advance before a large access pressure change occurs.
The present invention further provides a resource allocation method of a virtualized content distribution network according to a third embodiment, where the resource allocation method is applied to a virtual network function manager VNFM of a telecommunication cloud TIC node, as shown in fig. 6, the resource allocation method includes:
s610, receiving a resource configuration adjustment request sent by an operation management system OMS of a virtualized content delivery network vCDN; wherein the resource configuration adjustment request is a capacity expansion request or a newly-built configuration request;
s620, according to the resource allocation adjustment request, executing a corresponding resource allocation adjustment process.
By adopting the resource configuration method provided by the embodiment of the invention, the VNFM can adjust the resources of the VIM according to the resource configuration adjustment request sent by the OMS, and the service capability of the vCDN edge node is actively allocated in advance before large access pressure change is generated.
Further, the present invention provides a resource configuration method for a virtualized content distribution network according to a fourth embodiment, where the method is applied to a virtual network function manager VNFM of a telecommunication cloud TIC node, as shown in fig. 7, and the method includes:
s710, receiving a resource application query request sent by an OMS;
s720, according to the resource application query request, carrying out resource query to the network function virtualization orchestrator NFVO;
s730, sending resource application feedback information to the OMS according to the resource query result;
s740, receiving a resource configuration adjustment request sent by an operation management system OMS of a virtualized content delivery network vndn;
s750, according to the resource allocation adjustment request, executing a corresponding resource allocation adjustment process.
Specifically, the resource configuration adjustment request is an expansion request or a new configuration request.
By adopting the resource configuration adjustment request of the embodiment, the VNFM receives the resource application query request sent by the OMS, and performs resource query on the NFVO to send resource application feedback information to the OMS, so that the OMS obtains the service capability of the existing TIC node, and sends the resource configuration adjustment request to the VNFM of the corresponding TIC node according to the service capability fed back in the resource application feedback information of the corresponding TIC node, so that the TIC node performs VIM resource adjustment, and it is ensured that the client actively allocates the service capability of the edge node of the vncdn in advance before a large access pressure change occurs.
Specifically, in step S750, in the step of executing the corresponding resource configuration adjustment process according to the resource configuration adjustment request, when the resource configuration adjustment request is an expansion request, the step specifically includes:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending a virtual machine capacity expansion operation request to a Virtual Infrastructure Manager (VIM);
receiving capacity expansion virtual machine information fed back by the VIM after capacity expansion according to the virtual machine capacity expansion operation request;
and feeding back and expanding network function virtualization (SNS _ VNF) instance information of the edge service node after the OMS is subjected to capacity expansion.
Step S750, in the step of executing the corresponding resource allocation adjustment process according to the resource allocation adjustment request, when the resource allocation adjustment request is a new configuration request, the step specifically includes:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending an instance creation request to a virtualization infrastructure manager, VIM;
receiving virtual machine information created by the VIM;
installing SNS application software on the virtual machine corresponding to the virtual machine information;
receiving installation and operation information fed back by the network function virtualization SNS _ VNF of the installed edge service node;
and feeding back the instance information of the SNS _ VNF to the OMS.
According to fig. 8, the process of executing the new creation of the VNF instance by using the resource configuration method according to the specific embodiment of the present invention specifically includes:
s810, the OMS sends a resource application query request to a VNFM of the TIC node according to the capacity requirement of the client;
s820, the VNFM carries out resource query on the NFVO;
s830, the NFVO feeds back resource available information to the VNFM;
s840, the VNFM feeds back resource available information to the OMS;
s850, the OMS comprehensively analyzes the resource application feedback information returned by each TIC node;
s860, the OMS determines corresponding TIC nodes capable of meeting the resource application query request, and calculates new capacity values of the inner VNFs of the corresponding TIC nodes;
s870, the OMS initiates an instantiation request for the corresponding TIC to the VNFM;
s880, the VNFM initiates resource authorization to the NFVO;
s890, the NFVO authorizes resources to the VNFM;
s8901, the VNFM initiates instance creation to the VIM;
s8902, the VIM completes instance creation according to the instantiation parameter information;
s8903, the VIM feeds back the created virtual machine information to the VNFM;
s8904, installing SNS application software on the created virtual machine by the VNFM;
s8905, feeding back installation and operation information to the VNFM by the SNS _ VNF;
s8906, feeding SNS _ VNF instance information back to the OMS by the VNFM;
s8907, the OMS completes service operation parameter configuration on the SNS _ VNF;
s8908, the SNS _ VNF feeds back the online notification to the OMS.
According to fig. 9, the process of executing the VNF instance expansion by using the resource configuration method according to the embodiment of the present invention specifically includes:
s910, the OMS sends a resource application query request to a VNFM of the TIC node according to the capacity requirement of the client;
s920, the VNFM carries out resource query on the NFVO;
s930, the NFVO feeds back resource available information to the VNFM;
s940, the VNFM feeds back resource available information to the OMS;
s950, the OMS comprehensively analyzes the resource application feedback information returned by each TIC node, determines corresponding TIC nodes capable of meeting the resource application query request, and calculates the capacity expansion capacity value of the VNF in the corresponding TIC nodes for capacity expansion;
s960, the OMS initiates an expansion request of the SNS _ VNF aiming at the corresponding TIC to the VNFM;
s970, the VNFM initiates resource authorization to the NFVO;
s980, the NFVO authorizes resources to the VNFM;
s990, initiating a virtual machine capacity expansion operation to the VIM by the VNFM;
s991, completing capacity expansion by the VIM according to the example capacity expansion parameter information;
s992, the VIM feeds back the expanded virtual machine information to the VNFM;
and S993, feeding back the expanded SNS _ VNF information to the OMS by the VNFM.
According to the resource configuration method provided by the embodiment of the invention, the OMS can actively send the resource configuration adjustment request to the VNFM to complete the capacity expansion or new establishment of the VNF so as to cope with the expected capacity change of the SNS of the edge service node of the client.
A fifth embodiment of the present invention provides a network service device, which is applied to an operation management system OMS of a virtualized content delivery network (vndn), where the network service device includes:
the transceiver is used for sending a resource configuration adjustment request to a Virtual Network Function Manager (VNFM) of the telecom cloud TIC node, wherein the resource configuration adjustment request is a capacity expansion request or a new configuration request.
The network service equipment provided by the embodiment of the invention can actively send the resource configuration adjustment request to the corresponding TIC node to adjust the VIM resources, so that the vCDN edge node service capability is actively allocated in advance before large access pressure change is generated.
In one aspect of the embodiment of the present invention, in the network service device, the transceiver is further configured to:
sending a resource application query request to a VNFM of a TIC node of a telecommunication cloud;
receiving resource application feedback information sent by the VNFM after resource query is carried out on a Network Function Virtualization Orchestrator (NFVO) according to the resource application query request;
and sending the resource configuration adjustment request to a VNFM of the corresponding TIC node according to the resource application feedback information.
Additionally, the transceiver is further configured to:
acquiring the capacity requirement of an edge service node SNS of all signed content provider CP customers of the CDN in a future specific time period;
and sending the resource application query request to a VNFM of the TIC node according to the capacity requirement.
In a specific embodiment of the present invention, when the transceiver sends the resource configuration adjustment request to the VNFM of the TIC node according to the resource application feedback information, the method specifically includes:
counting resource application feedback information sent by the VNFM of each TIC node;
according to the capacity requirement and resource application feedback information sent by the VNFM of each TIC node, determining a corresponding TIC node capable of meeting the resource application query request, and calculating a resource configuration adjustment amount of the corresponding TIC node;
and sending a resource configuration adjustment request to the corresponding TIC node according to the resource configuration adjustment amount.
In the network service device according to the specific embodiment of the present invention, the network service device further includes a first processor, where the first processor is configured to:
when the resource configuration adjustment request is a newly-built configuration request, receiving the VNFM feedback and newly-built SNS _ VNF instance information of the network function virtualization of the edge service node;
and completing configuration of service operation parameters on the SNS _ VNF.
Further, in an embodiment of the present invention, the network service device further includes a second processor, where the second processor is configured to:
and when the resource configuration adjustment request is an expansion request, receiving the VNFM feedback and the expanded SNS _ VNF instance information of the network function virtualization of the edge service node.
The sixth embodiment of the present invention provides another network service device, which is applied to a virtual network function manager VNFM of a telecommunication cloud TIC node, where the network service device includes:
the system comprises a first transceiver and a second transceiver, wherein the first transceiver is used for receiving a resource configuration adjustment request sent by an Operation Management System (OMS) of a virtualized content delivery network (vCDN); wherein the resource configuration adjustment request is a capacity expansion request or a newly-built configuration request;
and the processor is used for executing a corresponding resource configuration adjusting process according to the resource configuration adjusting request.
In the network service device of the embodiment of the invention, the VNFM can perform resource adjustment of the VIM according to the resource configuration adjustment request sent by the OMS, and ensure that the service capability of the vdns edge node is actively allocated in advance before a large access pressure change is generated.
Specifically, in the network service device according to the sixth embodiment of the present invention, the network service device further includes a second transceiver, configured to:
receiving a resource application query request sent by the OMS;
according to the resource application query request, performing resource query on a network function virtualization orchestrator NFVO;
and sending resource application feedback information to the OMS according to the resource query result.
In this embodiment of the present invention, when the resource configuration adjustment request is a capacity expansion request, the processor is specifically configured to:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending a virtual machine capacity expansion operation request to a Virtual Infrastructure Manager (VIM);
receiving the capacity expansion virtual machine information fed back after the capacity expansion is carried out by the VIM according to the capacity expansion operation request of the virtual machine;
and feeding back and expanding the SNS _ VNF instance information of the network function virtualization SNS _ VNF of the edge service node after the OMS is expanded.
In this embodiment of the present invention, when the resource configuration adjustment request is a newly-created configuration request, the processor is specifically configured to:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending an instance creation request to a virtualization infrastructure manager, VIM;
receiving virtual machine information created by the VIM;
installing SNS application software on the virtual machine corresponding to the virtual machine information;
receiving installation and operation information fed back by the network function virtualization SNS _ VNF of the installed edge service node;
and feeding back the instance information of the SNS _ VNF to the OMS.
In another aspect, an embodiment of the present invention further provides a network service device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor; wherein the processor, when executing the program, performs the resource allocation method of the virtualized content distribution network as described in any one of the above descriptions.
In particular, the network service device may be applied to an operation management system OMS of a virtualized content delivery network vndn, or to a virtual network function manager VNFM applied to a telecommunication cloud TIC node.
Embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, where the program, when executed by a processor, implements the steps in the resource configuration method for a virtualized content distribution network according to any of the above.
In particular, the computer-readable storage medium may be applied to an operation management system OMS of a virtualized content delivery network, vndn, or to a virtual network function manager, VNFM, applied to a telecommunication cloud, TIC, node.
Based on the above detailed description, those skilled in the art should understand the specific structure of the network service device and the computer readable storage medium using the resource allocation method according to the embodiment of the present invention, and will not be described here.
By adopting the resource configuration method, the network service equipment and the computer readable storage medium of the virtualized content delivery network according to the specific embodiment of the present invention, a CDN operator or a CP customer who signs a contract with the CDN operator can actively submit a service capability requirement of a CDN to a telecom cloud TIC system through a CDN operation management system, so that a TIC node performs VIM resource adjustment, and ensure that a client actively allocates a service capability of a CDN edge node in advance before generating a large access pressure change, thereby cooperatively realizing dynamic service control and guarantee of the virtualized content delivery network.
While the foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the invention as set forth in the appended claims.
Claims (18)
1. A resource allocation method of a virtualized content delivery network is applied to an Operation Management System (OMS) of a virtualized content delivery network (vCDN), and is characterized by comprising the following steps:
sending a resource configuration adjustment request to a Virtual Network Function Manager (VNFM) of a telecom cloud TIC node; wherein the resource allocation adjustment request is a capacity expansion request or a newly-built configuration request;
the sending of the resource configuration adjustment request to the Virtual Network Function Manager (VNFM) of the telecom cloud TIC node comprises:
sending a resource application query request to a VNFM of a telecom cloud TIC node;
receiving resource application feedback information sent by the VNFM after resource query is carried out on a Network Function Virtualization Orchestrator (NFVO) according to the resource application query request;
and sending the resource configuration adjustment request to the VNFM of the TIC node according to the resource application feedback information.
2. The method of claim 1, wherein the sending a resource application query request to a VNFM of a telco TIC node comprises:
acquiring the capacity requirement of an edge service node SNS of all signed content provider CP customers of the CDN in a future specific time period;
and sending the resource application query request to a VNFM of the TIC node according to the capacity requirement.
3. The method of claim 2, wherein the step of sending the resource configuration adjustment request to the VNFM of the corresponding TIC node according to the resource application feedback information comprises:
counting resource application feedback information sent by the VNFM of a plurality of TIC nodes;
according to the capacity requirement and resource application feedback information sent by the VNFM of the plurality of TIC nodes, determining corresponding TIC nodes capable of meeting the resource application query request, and calculating resource configuration adjustment amount of the corresponding TIC nodes;
and sending a resource configuration adjustment request to the corresponding TIC node according to the resource configuration adjustment amount.
4. The method of claim 1, wherein when the resource allocation adjustment request is a new configuration request, the method further comprises:
receiving the VNFM feedback and newly-created network function virtualization SNS _ VNF instance information of the edge service node;
and completing configuration of service operation parameters on the SNS _ VNF.
5. The method for resource allocation of a virtualized content distribution network according to claim 1, wherein when the resource allocation adjustment request is a capacity expansion request, the method further comprises:
and receiving the VNFM feedback and the expanded network function virtualization SNS _ VNF instance information of the edge service node.
6. A resource configuration method of a virtualized content distribution network is applied to a Virtual Network Function Manager (VNFM) of a telecom cloud TIC node, and is characterized by comprising the following steps:
receiving a resource configuration adjustment request sent by an Operation Management System (OMS) of a virtualized content delivery network (vCDN); wherein the resource configuration adjustment request is a capacity expansion request or a newly-built configuration request;
executing a corresponding resource allocation adjustment process according to the resource allocation adjustment request;
the receiving of the resource configuration adjustment request sent by the operation management system OMS of the virtualized content delivery network vpns includes:
receiving a resource application query request sent by the OMS;
according to the resource application query request, performing resource query on a network function virtualization orchestrator NFVO;
and sending resource application feedback information to the OMS according to the resource query result.
7. The method according to claim 6, wherein when the resource configuration adjustment request is a capacity expansion request, the step of executing the corresponding resource configuration adjustment process according to the resource configuration adjustment request includes:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending a virtual machine capacity expansion operation request to a Virtual Infrastructure Manager (VIM);
receiving capacity expansion virtual machine information fed back by the VIM after capacity expansion according to the virtual machine capacity expansion operation request;
and feeding back and expanding network function virtualization (SNS _ VNF) instance information of the edge service node after the OMS is subjected to capacity expansion.
8. The method according to claim 6, wherein when the resource allocation adjustment request is a new configuration request, the step of executing the corresponding resource allocation adjustment process according to the resource allocation adjustment request includes:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending an instance creation request to a virtualization infrastructure manager, VIM;
receiving virtual machine information created by the VIM;
installing SNS application software on the virtual machine corresponding to the virtual machine information;
receiving installation and operation information fed back by network function virtualization (SNS _ VNF) of the installed edge service node;
and feeding back the instance information of the SNS _ VNF to the OMS.
9. A network service device applied to an Operation Management System (OMS) of a virtualized content delivery network (vCDN), the network service device comprising:
the device comprises a transceiver and a resource configuration adjusting module, wherein the transceiver is used for sending a resource configuration adjusting request to a Virtual Network Function Manager (VNFM) of a telecommunication cloud TIC node; wherein the resource allocation adjustment request is a capacity expansion request or a newly-built configuration request;
the sending a resource configuration adjustment request to a Virtual Network Function Manager (VNFM) of a telecom cloud TIC node comprises:
sending a resource application query request to a VNFM of a telecom cloud TIC node;
receiving resource application feedback information sent by the VNFM after resource query is carried out on a Network Function Virtualization Orchestrator (NFVO) according to the resource application query request;
and sending the resource configuration adjustment request to the VNFM of the TIC node according to the resource application feedback information.
10. The network service equipment of claim 9, wherein the sending a resource application query request to a VNFM of a telecommunication cloud TIC node comprises:
acquiring the capacity requirement of SNS (social network site) of edge service nodes of all signed content provider CP (content provider) customers in a future specific time period;
and sending the resource application query request to the VNFM of the TIC node according to the capacity requirement.
11. The network service equipment according to claim 10, wherein when the transceiver sends the resource configuration adjustment request to the VNFM of the corresponding TIC node according to the resource application feedback information, specifically:
counting resource application feedback information sent by the VNFM of each TIC node;
according to the capacity requirement and resource application feedback information sent by the VNFM of each TIC node, determining a corresponding TIC node capable of meeting the resource application query request, and calculating a resource configuration adjustment amount of the corresponding TIC node;
and sending a resource configuration adjustment request to the corresponding TIC node according to the resource configuration adjustment amount.
12. The network service device of claim 9, wherein the network service device further comprises a first processor configured to:
when the resource configuration adjustment request is a newly-built configuration request, receiving the VNFM feedback and newly-built SNS _ VNF instance information of the network function virtualization of the edge service node;
and completing configuration of service operation parameters on the SNS _ VNF.
13. The network service device of claim 9, further comprising a second processor configured to:
and when the resource configuration adjustment request is an expansion request, receiving the VNFM feedback and the expanded SNS _ VNF instance information of the network function virtualization of the edge service node.
14. A network service device applied to a Virtual Network Function Manager (VNFM) of a telecom cloud (TIC) node, the network service device comprising:
the system comprises a first transceiver and a second transceiver, wherein the first transceiver is used for receiving a resource configuration adjustment request sent by an Operation Management System (OMS) of a virtualized content delivery network (vCDN); wherein the resource allocation adjustment request is a capacity expansion request or a newly-built configuration request;
the processor is used for executing a corresponding resource allocation adjusting process according to the resource allocation adjusting request;
the receiving of the resource configuration adjustment request sent by the operation management system OMS of the virtualized content delivery network vpns includes:
receiving a resource application query request sent by the OMS;
according to the resource application query request, performing resource query on a network function virtualization orchestrator NFVO;
and sending resource application feedback information to the OMS according to the resource query result.
15. The network service device of claim 14, wherein when the resource configuration adjustment request is a capacity expansion request, the processor is specifically configured to:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending a virtual machine capacity expansion operation request to a Virtual Infrastructure Manager (VIM);
receiving capacity expansion virtual machine information fed back by the VIM after capacity expansion according to the virtual machine capacity expansion operation request;
and feeding back and expanding the SNS _ VNF instance information of the network function virtualization SNS _ VNF of the edge service node after the OMS is expanded.
16. The network service device of claim 14, wherein when the resource configuration adjustment request is a new configuration request, the processor is specifically configured to:
sending a resource authorization request to a network function virtualization orchestrator NFVO;
receiving authorized resources sent by the NFVO according to the resource authorization request;
sending an instance creation request to a virtualization infrastructure manager, VIM;
receiving virtual machine information created by the VIM;
installing SNS application software on the virtual machine corresponding to the virtual machine information;
receiving installation and operation information fed back by the network function virtualization SNS _ VNF of the installed edge service node;
and feeding back the instance information of the SNS _ VNF to the OMS.
17. A network service device comprising a memory, a processor and a computer program stored on the memory and executable on the processor; wherein the processor executes the program to perform the resource allocation method of the virtualized content distribution network according to any one of claims 1 to 5 or to perform the resource allocation method of the virtualized content distribution network according to any one of claims 6 to 8.
18. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the steps of the method for configuring resources of a virtualized content distribution network according to one of the claims 1 to 5 or the steps of the method for configuring resources of a virtualized content distribution network according to one of the claims 6 to 8.
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| WO2016095121A1 (en) * | 2014-12-17 | 2016-06-23 | 华为技术有限公司 | Method and system for automatically adjusting network service capability |
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