CN109150577B - Service management method and network management system - Google Patents
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Abstract
The invention provides a service management method and a network management system, wherein the method comprises the following steps: creating a virtual channel according to the channel type or modifying the channel type of the virtual channel according to the channel type, wherein the channel type comprises a customer attribute and a service type attribute; determining a physical link having a mapping relation with the virtual channel; and managing the service carried on the physical link according to the mapping relation. The invention solves the problems that the planning mode of the topology resources is single and the customization aiming at different services and customers is not supported in the related technology, and supports the adjustment of the topology resource configuration according to the customers and the different service types.
Description
Technical Field
The present invention relates to the field of data network communication, and in particular, to a service management method and a network management system.
Background
Before 4G mobile networks appeared, only voice services and simple packet services existed in optical transport networks, and basic communication operators' requirements for configuration management of network topology and network management capabilities were mainly on basic functions of calculating service routing accessibility, mutual separation of work protection, and the like. However, with the popularization of mobile 4G networks, the rapid development of internet of things and the accelerated commercialization of future 5G networks, the types of services in the networks are more and more abundant, and they have different requirements on the bandwidth, delay and protection level of the networks, and put a higher demand on the management capability of the networks. For example, a virtual operator requires to rent a national network, whereas a group customer's professional L3VPN service only needs to rent networks between certain cities; the video conference provider needs to rent a link with a larger bandwidth, and the original voice service needs a link resource with a lower time delay and a higher protection level, etc. With the development of the internet of things and various new network services emerging as innovations in various business models, basic communication operators are forced to urgently need a programmable and customizable topology resource management device, which can conveniently plan corresponding link resources for various business types of various customers and analyze the service conditions of the link resources.
Aiming at the problems that the planning mode of topological resources in the related technology is single and customization aiming at different services and customers is not supported, the prior art does not provide an effective solution.
Disclosure of Invention
The invention provides a service management method and a network management system, which solve the problems that the planning mode of topology resources in the related technology is single and customization aiming at different services and clients is not supported.
According to an aspect of the present invention, there is provided a service management method, including: creating a virtual channel according to the channel type or modifying the channel type of the virtual channel according to the channel type, wherein the channel type comprises a customer attribute and a service type attribute; determining a physical link having a mapping relation with the virtual channel; and managing the service carried on the physical link according to the mapping relation.
Further, one of the physical links has a mapping relationship with at least one of the virtual channels.
Further, the modifying the channel type of the virtual channel according to the channel type includes: under the condition that a virtual channel meeting the service type attribute condition exists and the virtual channel supports multi-client sharing, adding client information in a client attribute list of the virtual channel to modify the client attribute of the virtual channel; the creating of the virtual channel according to the channel type includes: and under the condition that a virtual channel meeting the service type attribute condition does not exist and/or the virtual channel meeting the service type attribute condition does not support multi-client sharing, creating a virtual channel according to the client attribute and the service type attribute.
Further, the channel type further includes a protection attribute, the protection attribute is used for indicating a preset protection level of the first specified client in the first specified service type, and the modifying the channel type of the virtual channel according to the channel type includes: under the condition that a virtual channel meeting the service type attribute condition exists and the virtual channel supports multi-client sharing, judging whether the protection level of the virtual channel meets the preset protection level or not; and if the judgment result is yes, adding first specified client information into the client attribute list of the virtual channel.
Further, in the case that the judgment result is negative, the preset protection level is reduced, or the virtual channel which does not meet the preset protection level is deleted.
Further, the channel type further includes a bandwidth attribute for indicating a committed bandwidth value of a second specified customer in a second specified traffic type, and the modifying the channel type of the virtual channel according to the channel type includes: under the condition that a virtual channel meeting the service type attribute condition exists and the virtual channel supports multi-client sharing, judging whether the maximum bandwidth threshold of the virtual channel is larger than or equal to the committed bandwidth value; if the determination result is yes, second specified client information is added to the client attribute list of the virtual channel.
Further, if the determination result is negative, the committed bandwidth value is reduced, and the virtual channel that does not satisfy the committed bandwidth value is deleted.
Further, managing the service carried on the physical link according to the mapping relationship includes: acquiring the sum of the promised bandwidth values of a third appointed client in different service types; and determining the bandwidth occupancy rate of the third designated client according to the sum of the committed bandwidth values and the corresponding total bandwidth of the physical link.
Further, the managing the service carried on the physical link according to the mapping relationship includes: acquiring the sum of the promised bandwidth values of different clients borne on a third appointed service; and determining the bandwidth occupancy rate of the third appointed service according to the sum of the committed bandwidth values and the corresponding total bandwidth of the physical link.
According to an aspect of the invention, there is provided a network management system comprising a processor and a memory, the processor being configured to execute program instructions in the memory, which when read and executed by the processor perform the following: creating a virtual channel according to the channel type or modifying the channel type of the virtual channel according to the channel type, wherein the channel type comprises a customer attribute and a service type attribute; determining a physical link having a mapping relation with the virtual channel; and managing the service carried on the physical link according to the mapping relation.
According to the invention, by adopting the technical scheme of introducing the channel type configuration management layer which can be defined by the user between the existing physical topology and the application using the topology resources, the problems that the topology resource planning mode is single and the customization aiming at different services and clients is not supported are solved, and the adjustment of the topology resource configuration according to the client and the service type is supported.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flow diagram of a method of traffic management according to an embodiment of the present invention;
fig. 2 is a block diagram of a network management system according to an embodiment of the present invention;
fig. 3 is a flowchart of a service provisioning method according to an embodiment of the present invention;
FIG. 4 is a flow chart of a virtual channel creation method according to an embodiment of the present invention;
fig. 5 is a flowchart of a virtual channel creation method according to a preferred embodiment of the present invention;
fig. 6 is a first flowchart of a service provisioning method according to a preferred embodiment of the present invention;
FIG. 7 is a first flowchart of a topology planning method according to a preferred embodiment of the present invention;
FIG. 8 is a flowchart II of a topology planning method in accordance with a preferred embodiment of the present invention;
fig. 9 is a flowchart of a service management method according to a preferred embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In this embodiment, a service management method and a network management system are provided, fig. 1 is a first flowchart of a service management method according to an embodiment of the present invention, and as shown in fig. 1, the process includes the following steps:
step S102, creating a virtual channel according to the channel type or modifying the channel type of the virtual channel according to the channel type, wherein the channel type comprises a customer attribute and a service type attribute;
step S104, determining a physical link which has a mapping relation with the virtual channel;
it is worth mentioning that a mapping relationship exists between one physical link and at least one virtual channel.
Preferably, in the case that a virtual channel satisfying the service type attribute condition exists and the virtual channel supports multi-client sharing, the client information is added to the client attribute list of the virtual channel to modify the client attribute of the virtual channel. The condition that the service type attribute is satisfied means that the service type of the service to be created or the service to be adjusted is the same as the service type of the virtual channel.
Preferably, in the case that there is no virtual channel satisfying the service type attribute condition and/or the virtual channel satisfying the service type attribute condition does not support multi-client sharing, a virtual channel is created according to the client attribute and the service type attribute.
Optionally, the channel type may further include a protection attribute, where the protection attribute is used to indicate a preset protection level of the first specified client in the first specified service type. And under the condition that a virtual channel meeting the service type attribute condition exists and the virtual channel supports multi-client sharing, judging whether the protection level of the virtual channel meets the preset protection level. And if the judgment result is yes, adding first specified client information into the client attribute list of the virtual channel. And if the judgment result is negative, reducing the preset protection level, or deleting the virtual channel which does not meet the preset protection level.
Optionally, the channel type may further include a bandwidth attribute for indicating a committed bandwidth value of the second specified client in the second specified traffic type. Under the condition that a virtual channel meeting the service type attribute condition exists and the virtual channel supports multi-client sharing, judging whether the maximum bandwidth threshold of the virtual channel is larger than or equal to the committed bandwidth value; if the determination result is yes, second specified client information is added to the client attribute list of the virtual channel. And if the judgment result is negative, reducing the committed bandwidth value, and deleting the virtual channel which does not meet the committed bandwidth value.
And step S106, managing the service carried on the physical link according to the mapping relation. The service management includes, but is not limited to, service provisioning and traffic statistics.
Preferably, when the bandwidth occupancy of a certain client needs to be counted, the following method can be used: acquiring the sum of the promised bandwidth values of a third appointed client in different service types; and determining the bandwidth occupancy rate of the third designated client according to the sum of the committed bandwidth values and the corresponding total bandwidth of the physical link.
Preferably, when the bandwidth occupancy of a certain service needs to be counted, the following method can be used: acquiring the sum of the promised bandwidth values of different clients borne on a third appointed service; and determining the bandwidth occupancy rate of the third appointed service according to the sum of the committed bandwidth values and the corresponding total bandwidth of the physical link.
Fig. 2 is a block diagram of a network management system according to an embodiment of the present invention, and as shown in fig. 2, the apparatus includes: a processor 22 and a memory 24, the processor configured to execute program instructions in the memory, the program instructions when read and executed by the processor performing the following: creating a virtual channel according to the channel type or modifying the channel type of the virtual channel according to the channel type, wherein the channel type comprises a customer attribute and a service type attribute; determining a physical link having a mapping relation with the virtual channel; and managing the service carried on the physical link according to the mapping relation.
The present invention is further illustrated by the following specific examples.
The embodiment of the invention aims to provide a topology resource configuration management device, which introduces a channel type configuration management layer between the existing physical topology and an application using topology resources, so that the physical topology can have programmable attributes such as customer types, service types, bandwidths, protection levels and the like, an operator can rapidly and accurately open new services, the operation and maintenance of a network are facilitated, and new service requirements of new customers which are continuously emerging are met.
Specifically, the embodiment of the invention provides a device for SDN-transforming the existing physical topology links in the network, and mapping the physical links into virtual channel(s) according to the customized channel type with programmable attribute configured by a client, wherein the virtual channel(s) conform to the channel type specification. One channel type corresponds to a mapping rule for mapping a physical link to a virtual channel, and adding a new channel type is equivalent to newly defining a mapping rule. It is worth mentioning that the above channel types are modifiable, and the modification of the channel types is equivalent to the modification of the mapping rules. The device solves the problem that the topological link does not have the client/service attribute or the attribute can not be expanded in the prior network management technology, realizes the virtualization and the programmability of the topological link, and improves the efficiency and the convenience of network planning, service management and operation analysis.
The Software Defined Network (SDN) is a novel Network innovation architecture and a concept and technology, and its essence is to abstract and Software functions, so that users/applications can use the Network as Software programming, and the Network can be adjusted easily and quickly to meet various internal and external innovation requirements.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
1. the embodiment of the invention can conveniently and rapidly add new clients and service types or adjust the resource configuration attribute of the clients and the service types through the programmable channel type;
2. the embodiment of the invention achieves the effect that the link has different customer attributes by introducing the channel type configuration management layer, and only the topology resources which can be used by a customer are filtered when a new service is opened for the customer, thereby improving the service management efficiency and reducing the service mismatching probability;
3. the invention achieves the effect that the link has different service attributes by introducing the virtual channel layer, and provides a convenient means for analyzing the service condition of each service resource in the network or on a certain section of link;
4. the invention makes the topological link and the corresponding application modules of route calculation, bandwidth utilization rate analysis and the like keep the service logic processing unchanged through the mapping of the link and the virtual channel, thereby achieving the purpose of smooth upgrading.
In a scenario of opening a new service for a client, taking an example that a new client a needs to newly open an ELine (ethernet private line), as shown in fig. 3, the service opening method includes:
step S302, a channel type is newly established and a virtual channel is established according to the channel type;
step S304, filtering the physical link through the virtual channel according to the channel type, and performing path calculation on the filtered result to create a tunnel service;
step S306, an ethernet service is created on the newly created tunnel service.
In an alternative embodiment, step S302 may include the following steps, as shown in fig. 4:
step S402, acquiring a new channel type name defined by a user as ELine _ A;
step S404, adding a channel attribute 1 for ELine _ A, wherein the name of the attribute 1 is a client attribute, and the value of the attribute 1 is a client A;
step S406, adding a channel attribute 2 to the ELine _ A, wherein the name of the attribute 2 is a service type, and the value of the attribute 2 is ELine;
step S408, storing the configuration data of the channel type ELine _ A into a database;
step S410, planning topology resources for ELine _ A, selecting a link, and creating a virtual channel.
Optionally, step S410 further includes the following steps, as shown in fig. 5:
step S502, selecting a physical Link1 with a mapping relation for a virtual channel to be created;
step S504, according to the selection result, checks whether Link1+ Vlan100 has a mapping with a virtual channel: if the Link does not exist, a new virtual channel Link1_ Vlan100 is established, the Vlan100 under the Link1 is bound, the service attribute is set to ELine, the client attribute is set to a, and the client exclusive attribute is set to false; if yes, checking whether the service attribute of the channel is ELine, if yes, further checking whether the exclusive attribute of the client is false, and if so, adding a client attribute A to Link1_ Vlan100, wherein the exclusive attribute of the user is false, which indicates that the virtual channel can bear a plurality of client services;
step S506, stores the newly created virtual channel Link1_ Vlan100, or updates the existing client attribute list of Link1_ Vlan100, and adds client a to the client attributes.
In another alternative embodiment, step S304 may include the following steps, as shown in fig. 6:
step S602, determining the channel type of the service to be opened as ELine _ A;
step S604, inquiring that the service attribute is ELine, and the client attribute comprises all virtual channels of A so as to filter out other irrelevant physical links;
step S606, converting the virtual channel into an actual topological link and a virtual lan thereof as the input of the existing routing algorithm;
step S608, the routing algorithm module calculates the routing according to the original logic;
step S610, creates a tunnel service according to the calculated route.
Taking the added channel type elin _ a as an example, in a scenario where a protection attribute is added to the added channel type elin _ a, as shown in fig. 7, the topology planning method includes:
step S702, selecting a channel type ELine _ A, editing a user-defined attribute list of the ELine _ A to add an attribute 4, wherein the name of the attribute 4 is a protection level, and the value of the attribute is port level protection;
step S704, inquiring the existing virtual channel belonging to the channel type ELine _ A, and checking whether the protection level of each inquired virtual channel meets the requirement;
step S706, if the protection level of the virtual channel does not meet the requirement, prompting the user to reduce the protection level of the virtual channel, or deleting the virtual channel which does not meet the requirement of the protection level;
step S708, updating the attribute 4 of the ELine _ A and the deleted virtual channel change data into a database;
step S710, planning new topology resources for ELine _ A.
Taking the added channel type elin _ a as an example, in a scenario where a bandwidth attribute is added to the added channel type elin _ a, as shown in fig. 8, the topology planning method includes:
step S802, selecting a channel type ELine _ A, editing a user-defined attribute list of the ELine _ A to add an attribute 3, wherein the name of the attribute 3 is a committed bandwidth (CIR), and the value of the attribute is 10M;
step S804, inquiring the existing virtual channel belonging to the channel type ELine _ A, and checking whether each inquired virtual channel meets the requirement of committed bandwidth;
step S806, if there is a virtual channel meeting the requirement of the committed bandwidth, that is, the maximum bandwidth of the virtual channel is less than 10M, prompting the user to reduce the bandwidth attribute value, or deleting the virtual channel not meeting the bandwidth attribute;
step S808, updating the attribute 3 of the ELine _ A and the deleted virtual channel change data into a database;
step S810, planning new topology resources for ELine _ A.
Under the operation and maintenance scene, the operation and maintenance can be facilitated by analyzing the bandwidth resource use condition of the topology in the network. Assume that channel types a1, a2, B1, B2 have been established: where a1 and B1 are channel types for managing ethernet private line traffic of the client A, B, respectively, and both have bandwidth attributes with bandwidth attribute values of 10M and 15M, respectively. A2 and B2 are channel types that manage video conference traffic of the client A, B, respectively, and have bandwidth attributes whose bandwidth attribute values are 20M and 25M, respectively. The flow of the service management method is shown in fig. 9, and includes the following steps:
step S902, selecting a physical Link1 in an application module of the optical network management system, and inquiring the use condition of bandwidth resources of the optical fiber with Link1 as 100M bandwidth;
step S904, all virtual channels which are established with the Link1 in a mapping relationship are inquired, and Link1_ Vlan100 and Link1_ Vlan200 are supposed to be inquired;
step S906, inquiring the corresponding channel types of A1, A2, B1 and B2 according to the client attribute list and the service attribute of Link1_ Vlan100 and Link1_ Vlan 200;
step S908, querying the bandwidth occupancy rate from the client type perspective: link1 has a total bandwidth usage of 70%, where client a is 30% (ethernet traffic occupies 10M + video conference traffic 20M), and corresponding client B is 40%;
step S910, querying the bandwidth occupancy rate from the perspective of the service type: link1 has a total bandwidth usage of 70%, with 25% ethernet private line traffic (client a ethernet 10M + client B15M) and a corresponding video conference traffic of 45%.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for service management, comprising:
creating a virtual channel according to a channel type or modifying the channel type of the virtual channel according to the channel type, wherein the channel type comprises a customer attribute and a service type attribute, and the channel type is a mapping rule of a physical link to the virtual channel;
determining a physical link having a mapping relation with the virtual channel;
and managing the service carried on the physical link according to the mapping relation.
2. The method of claim 1, further comprising:
and one physical link has a mapping relation with at least one virtual channel.
3. The method of claim 2, wherein the modifying the channel type of the virtual channel according to the channel type comprises:
under the condition that a virtual channel meeting a service type attribute condition exists and the virtual channel supports multi-client sharing, adding client information in a client attribute list of the virtual channel to modify the client attribute of the virtual channel;
the creating of the virtual channel according to the channel type includes:
and under the condition that a virtual channel meeting the service type attribute condition does not exist and/or the virtual channel meeting the service type attribute condition does not support multi-client sharing, creating a virtual channel according to the client attribute and the service type attribute.
4. The method of claim 3, wherein the channel type further comprises a protection attribute, wherein the protection attribute is used for indicating a preset protection level of the first specific client in the first specific service type, and wherein modifying the channel type of the virtual channel according to the channel type comprises:
under the condition that a virtual channel meeting the service type attribute condition exists and the virtual channel supports multi-client sharing, judging whether the protection level of the virtual channel meets the preset protection level or not;
and if the judgment result is yes, adding first specified client information into the client attribute list of the virtual channel.
5. The method of claim 4, further comprising:
and if the judgment result is negative, reducing the preset protection level, or deleting the virtual channel which does not meet the preset protection level.
6. The method of claim 3, wherein the channel type further comprises a bandwidth attribute for indicating a committed bandwidth value of a second specified customer in a second specified traffic type, and wherein modifying the channel type of the virtual channel according to the channel type comprises:
under the condition that a virtual channel meeting the service type attribute condition exists and the virtual channel supports multi-client sharing, judging whether the maximum bandwidth threshold of the virtual channel is larger than or equal to the committed bandwidth value;
and if the judgment result is yes, adding second specified customer information into the customer attribute list of the virtual channel.
7. The method of claim 6, further comprising:
and if the judgment result is negative, reducing the committed bandwidth value, and deleting the virtual channels which do not meet the committed bandwidth value.
8. The method of claim 6, wherein managing the traffic carried over the physical link according to the mapping comprises:
acquiring the sum of the promised bandwidth values of a third appointed client in different service types;
and determining the bandwidth occupancy rate of the third designated client according to the sum of the committed bandwidth values and the corresponding total bandwidth of the physical link.
9. The method of claim 6, wherein the managing the traffic carried on the physical link according to the mapping relationship comprises:
acquiring the sum of the promised bandwidth values of different clients borne on a third appointed service;
and determining the bandwidth occupancy rate of the third appointed service according to the sum of the committed bandwidth values and the corresponding total bandwidth of the physical link.
10. A network management system comprising a processor and a memory, the processor configured to execute program instructions in the memory, which when read and executed by the processor, perform the following:
creating a virtual channel according to a channel type or modifying the channel type of the virtual channel according to the channel type, wherein the channel type comprises a customer attribute and a service type attribute, and the channel type is a mapping rule of a physical link to the virtual channel;
determining a physical link having a mapping relation with the virtual channel;
and managing the service borne on the physical link according to the mapping relation.
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