TWI773523B - Management system and management method of network service chain - Google Patents

Management system and management method of network service chain Download PDF

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TWI773523B
TWI773523B TW110133571A TW110133571A TWI773523B TW I773523 B TWI773523 B TW I773523B TW 110133571 A TW110133571 A TW 110133571A TW 110133571 A TW110133571 A TW 110133571A TW I773523 B TWI773523 B TW I773523B
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network
network resource
service chain
resource
module
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TW202312752A (en
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王鴻源
謝志煒
李建樺
簡士哲
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中華電信股份有限公司
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Abstract

A management system and a management method of a network service chain are provided. The management method includes: receiving subscription information; selecting a network resource from a network resource pool according to the subscription information, wherein the network resource includes a core network (CN) switch and a software-defined network (SDN) switch; generating a network resource configuration according to the network resource; and configuring the CN switch and the SDN switch according to the network resource configuration so as to instantiate the network service chain.

Description

網路服務鏈的管理系統和管理方法Network service chain management system and management method

本發明是有關於一種網路服務鏈的管理系統和管理方法。The present invention relates to a network service chain management system and management method.

隨著雲端技術的進步，越來越多的電信業者開始提供客戶電信雲異地服務鏈（telecom cloud remote service chaining）。客戶可向電信業者提出針對特定網路服務的訂閱。電信業者可根據客戶的訂閱客製化地為客戶的終端裝置配置網路資源。然而，現有的技術需仰賴於具有高度專業的技術人員設定各個網路元件的參數以進行網路資源的配置。在異地服務業務不斷擴展的情況下，電信業者所需花費的人力資源也顯著地成長。因此，如何提出一種自動化管理網路資源的方法，是本領域的重要課題之一。With the advancement of cloud technology, more and more telecom operators have begun to provide customers with telecom cloud remote service chaining. Customers can subscribe to specific network services from the carrier. Telecom operators can customize the configuration of network resources for customers' terminal devices according to customers' subscriptions. However, the prior art relies on highly specialized technical personnel to set parameters of various network elements to configure network resources. With the continuous expansion of off-site service business, the human resources required by telecom operators have also grown significantly. Therefore, how to propose a method for automatically managing network resources is one of the important topics in this field.

本發明提供一種網路服務鏈的管理系統和管理方法，可根據客戶的需求自動地供裝相應的網路服務鏈。The invention provides a network service chain management system and management method, which can automatically supply and install the corresponding network service chain according to the needs of customers.

本發明的一種網路服務鏈的管理系統，包含處理器、儲存媒體以及收發器。收發器通訊連接至網路資源池。儲存媒體儲存多個模組。處理器耦接儲存媒體以及收發器，並且存取和執行多個模組，其中多個模組包含網路服務鏈操作與呈現模組、網路資源管理模組、網路服務鏈生成模組、軟體定義網路管理模組以及虛擬服務鏈管理模組。網路服務鏈操作與呈現模組通過收發器接收訂單資訊。網路資源管理模組根據訂單資訊從網路資源池中選出網路資源，其中網路資源包含核心網路交換器以及軟體定義網路交換器。網路服務鏈生成模組根據網路資源產生網路資源配置。軟體定義網路管理模組根據網路資源配置來配置核心網路交換器以實例化網路服務鏈。虛擬服務鏈管理模組根據網路資源配置來配置軟體定義網路交換器以實例化網路服務鏈。A network service chain management system of the present invention includes a processor, a storage medium and a transceiver. Transceiver communication is connected to the network resource pool. The storage medium stores multiple modules. The processor is coupled to the storage medium and the transceiver, and accesses and executes a plurality of modules, wherein the plurality of modules include a network service chain operation and presentation module, a network resource management module, and a network service chain generation module , software-defined network management modules and virtual service chain management modules. The web service chain operation and presentation module receives order information through the transceiver. The network resource management module selects network resources from the network resource pool according to the order information, wherein the network resources include core network switches and software-defined network switches. The network service chain generation module generates network resource configuration according to network resources. The software-defined network management module configures the core network switch to instantiate the network service chain according to the network resource configuration. The virtual service chain management module configures the software-defined network switch to instantiate the network service chain according to the network resource configuration.

在本發明的一實施例中，上述的網路資源管理模組自網路服務鏈生成模組接收訊息，其中網路資源管理模組響應於訊息包含初始化指令而通過收發器存取網路資源池以取得網路資源池中的所有網路資源的網路資源狀態，其中多個模組更包含網路資源資料庫以及網路資源操作模組。網路資源操作模組將網路資源狀態寫入網路資源資料庫。In an embodiment of the present invention, the above-mentioned network resource management module receives a message from the network service chain generation module, wherein the network resource management module accesses network resources through the transceiver in response to the message including an initialization command The network resource pool is used to obtain the network resource status of all network resources in the network resource pool, and the multiple modules further include a network resource database and a network resource operation module. The network resource operation module writes the network resource status into the network resource database.

在本發明的一實施例中，上述的多個模組更包含決策網路資源模組，其中網路資源管理模組響應於訊息包含訂單資訊而啟動決策網路資源模組，其中決策網路資源模組存取網路資源資料庫以取得網路資源狀態，並且根據網路資源狀態判斷網路資源池中的可用網路資源是否滿足訂單資訊，其中決策網路資源模組響應於可用網路資源滿足訂單資訊而從可用網路資源中選出網路資源，並且向網路資源管理模組回報所選的網路資源。In an embodiment of the present invention, the above-mentioned modules further include a decision-making network resource module, wherein the network resource management module activates the decision-making network resource module in response to the message including order information, wherein the decision-making network The resource module accesses the network resource database to obtain the network resource status, and judges whether the available network resources in the network resource pool satisfy the order information according to the network resource status, wherein the decision network resource module responds to the available network resources. The road resource satisfies the order information, selects the network resource from the available network resources, and reports the selected network resource to the network resource management module.

在本發明的一實施例中，上述的決策網路資源模組響應於可用網路資源未滿足訂單資訊而通過收發器輸出告警訊息。In an embodiment of the present invention, the above-mentioned decision network resource module outputs an alarm message through the transceiver in response to the available network resources not meeting the order information.

在本發明的一實施例中，上述的決策網路資源模組響應於選出網路資源而更新網路資源狀態。In an embodiment of the present invention, the above-mentioned decision network resource module updates the network resource state in response to the selected network resource.

在本發明的一實施例中，上述的決策網路資源模組根據網路資源狀態將使用中網路資源自網路資源池過濾以取得未使用網路資源的數量，其中決策網路資源模組響應於數量滿足訂單資訊而判斷可用網路資源滿足訂單資訊，並且響應於數量未滿足訂單資訊而判斷可用網路資源未滿足訂單資訊。In an embodiment of the present invention, the above-mentioned decision network resource module filters the network resources in use from the network resource pool according to the network resource status to obtain the number of unused network resources, wherein the decision network resource module The group determines that the available network resources satisfy the order information in response to the quantity satisfying the order information, and determines that the available network resources do not satisfy the order information in response to the quantity not meeting the order information.

在本發明的一實施例中，上述的訂單資訊包含虛擬網路功能描述檔，其中網路服務鏈生成模組根據網路資源以及虛擬網路功能描述檔產生網路資源配置。In an embodiment of the present invention, the above-mentioned order information includes a virtual network function description file, wherein the network service chain generation module generates the network resource configuration according to the network resources and the virtual network function description file.

在本發明的一實施例中，上述的多個模組更包含實體網路通道資料庫以及虛擬服務鏈資料庫。實體網路通道資料庫儲存實體網路通道資訊。虛擬服務鏈資料庫儲存虛擬服務鏈資訊，其中網路服務鏈生成模組響應於網路服務鏈的實例化成功而更新對應於網路服務鏈的實體網路通道資訊以及虛擬服務鏈資訊，其中網路服務鏈生成模組響應於網路服務鏈的實例化失敗而傳送通知訊息至網路資源操作模組，其中網路資源操作模組根據通知訊息釋放網路資源。In an embodiment of the present invention, the above-mentioned modules further include a physical network channel database and a virtual service chain database. The physical network channel database stores physical network channel information. The virtual service chain database stores virtual service chain information, wherein the network service chain generation module updates the physical network channel information and virtual service chain information corresponding to the network service chain in response to the successful instantiation of the network service chain, wherein The network service chain generation module sends a notification message to the network resource operation module in response to the failure of the instantiation of the network service chain, wherein the network resource operation module releases network resources according to the notification message.

在本發明的一實施例中，上述的網路資源管理模組根據訂單資訊為終端裝置配置虛擬區域網路識別碼，其中虛擬服務鏈管理模組根據虛擬區域網路識別碼實例化對應於終端裝置的網路服務鏈。In an embodiment of the present invention, the above-mentioned network resource management module configures a virtual local area network identification code for the terminal device according to the order information, wherein the virtual service chain management module is instantiated according to the virtual local area network identification code corresponding to the terminal The device's web service chain.

本發明的一種網路服務鏈的管理方法，包含：接收訂單資訊；根據訂單資訊從網路資源池中選出網路資源，其中網路資源包含核心網路交換器以及軟體定義網路交換器；根據網路資源產生網路資源配置；以及根據網路資源配置來配置核心網路交換器以及軟體定義網路交換器以實例化網路服務鏈。A method for managing a network service chain of the present invention includes: receiving order information; selecting network resources from a network resource pool according to the order information, wherein the network resources include a core network switch and a software-defined network switch; generating a network resource configuration according to the network resources; and configuring the core network switch and the software-defined network switch according to the network resource configuration to instantiate the network service chain.

基於上述，本發明可在異質性電信資料數據中心的架構下，自動地實例化一個網路服務鏈。透過本發明，使用者可建立異質性網路資料中心下網路服務之間的資料傳輸通道。本發明可利用虛擬化連接的管理以及網路資源的管理控制將資料傳輸通道進行實例化。本發明的網路資源配發機制可高效地使用網路資源並可提高網路資源的使用率，藉此提供彈性包裝虛擬網路服務鏈與搭配實體網路設備的資料來建置傳輸通道。本發明可串接任何虛擬網路之服務，搭配網路服務產品快速上架功能，未來新網路服務上線可以透過此流程縮短上線時間。Based on the above, the present invention can automatically instantiate a network service chain under the framework of a heterogeneous telecommunication data center. Through the present invention, a user can establish a data transmission channel between network services under a heterogeneous network data center. The present invention can utilize the management of virtualized connections and the management and control of network resources to instantiate data transmission channels. The network resource allocation mechanism of the present invention can efficiently use network resources and improve the utilization rate of network resources, thereby providing flexible packaging of virtual network service chains and matching data of physical network devices to build transmission channels. The present invention can be connected to any virtual network service in series, and is matched with the rapid launch function of network service products. In the future, new network services can be launched through this process to shorten the launch time.

為了使本發明之內容可以被更容易明瞭，以下特舉實施例作為本發明確實能夠據以實施的範例。另外，凡可能之處，在圖式及實施方式中使用相同標號的元件/構件/步驟，係代表相同或類似部件。In order to make the content of the present invention more comprehensible, the following specific embodiments are given as examples according to which the present invention can indeed be implemented. Additionally, where possible, elements/components/steps using the same reference numerals in the drawings and embodiments represent the same or similar parts.

圖1根據本發明的一實施例繪示一種網路服務鏈的管理系統10的示意圖。管理系統10可包含處理器100、儲存媒體200以及收發器300。FIG. 1 is a schematic diagram of a network service chain management system 10 according to an embodiment of the present invention. The management system 10 may include a processor 100 , a storage medium 200 and a transceiver 300 .

處理器100例如是中央處理單元（central processing unit，CPU），或是其他可程式化之一般用途或特殊用途的微控制單元（micro control unit，MCU）、微處理器（microprocessor）、數位信號處理器（digital signal processor，DSP）、可程式化控制器、特殊應用積體電路（application specific integrated circuit，ASIC）、圖形處理器（graphics processing unit，GPU）、影像訊號處理器（image signal processor，ISP）、影像處理單元（image processing unit，IPU）、算數邏輯單元（arithmetic logic unit，ALU）、複雜可程式邏輯裝置（complex programmable logic device，CPLD）、現場可程式化邏輯閘陣列（field programmable gate array，FPGA）或其他類似元件或上述元件的組合。處理器100可耦接至儲存媒體200以及收發器300，並且存取和執行儲存於儲存媒體200中的多個模組和各種應用程式。The processor 100 is, for example, a central processing unit (CPU), or other programmable general-purpose or special-purpose micro control unit (micro control unit, MCU), microprocessor (microprocessor), digital signal processing digital signal processor (DSP), programmable controller, application specific integrated circuit (ASIC), graphics processor (graphics processing unit, GPU), image signal processor (image signal processor, ISP) ), image processing unit (IPU), arithmetic logic unit (ALU), complex programmable logic device (CPLD), field programmable gate array (field programmable gate array) , FPGA) or other similar elements or a combination of the above. The processor 100 may be coupled to the storage medium 200 and the transceiver 300 , and access and execute a plurality of modules and various application programs stored in the storage medium 200 .

儲存媒體200例如是任何型態的固定式或可移動式的隨機存取記憶體（random access memory，RAM）、唯讀記憶體（read-only memory，ROM）、快閃記憶體（flash memory）、硬碟（hard disk drive，HDD）、固態硬碟（solid state drive，SSD）或類似元件或上述元件的組合，而用於儲存可由處理器100執行的多個模組或各種應用程式。在本實施例中，儲存媒體200可儲存包含網路服務鏈操作與呈現模組111、網路資源管理模組112、決策網路資源模組113、網路資源操作模組114、網路資源資料庫115、網路服務鏈生成模組116、軟體定義網路管理模組117、實體網路通道資料庫118、虛擬服務鏈管理模組119以及虛擬服務鏈資料庫120等多個模組，其功能將於後續說明。儲存媒體200中的各個模組可通過應用程式介面（application programming interface，API）與彼此通訊。The storage medium 200 is, for example, any type of fixed or removable random access memory (random access memory, RAM), read-only memory (ROM), and flash memory (flash memory). , a hard disk drive (HDD), a solid state drive (SSD) or similar components or a combination of the above components for storing a plurality of modules or various application programs executable by the processor 100 . In this embodiment, the storage medium 200 can store a network service chain operation and presentation module 111 , a network resource management module 112 , a decision network resource module 113 , a network resource operation module 114 , and network resources. Database 115, network service chain generation module 116, software-defined network management module 117, physical network channel database 118, virtual service chain management module 119 and virtual service chain database 120 and other modules, Its function will be explained later. Each module in the storage medium 200 can communicate with each other through an application programming interface (API).

收發器300以無線或有線的方式傳送及接收訊號。收發器300還可以執行例如低噪聲放大、阻抗匹配、混頻、向上或向下頻率轉換、濾波、放大以及類似的操作。管理系統10可通過收發器300通訊連接至網路資源池，其中網路資源池可包含多個可作為網路資源的網路元件，諸如核心網路交換器、軟體定義網路（software-defined network，SDN）交換器或資料實體伺服器等。The transceiver 300 transmits and receives signals in a wireless or wired manner. Transceiver 300 may also perform operations such as low noise amplification, impedance matching, frequency mixing, up or down frequency conversion, filtering, amplification, and the like. The management system 10 can be communicatively connected to a network resource pool through the transceiver 300, wherein the network resource pool can include a plurality of network elements that can be used as network resources, such as a core network switch, a software-defined network (software-defined network) network, SDN) switch or data entity server, etc.

圖2根據本發明的一實施例繪示一種網路服務鏈的管理方法的流程圖，其中所述管理方法可由如圖1所示的管理系統10實施。FIG. 2 is a flowchart illustrating a management method of a network service chain according to an embodiment of the present invention, wherein the management method can be implemented by the management system 10 shown in FIG. 1 .

在步驟S100中，網路服務鏈操作與呈現模組111可通過收發器300接收關聯於網路服務鏈的訂單資訊。具體來說，當客戶向電信業者申請特定網路服務時，電信業者可操作終端裝置傳送與客戶的訂單相對應的訂單資訊給管理系統10，其中訂單資訊可包含對應於特定之網路服務鏈的供裝資料，其中供裝資料可包含虛擬網路功能描述檔（virtual network function descriptor，VNFD）。In step S100 , the network service chain operation and presentation module 111 may receive order information associated with the network service chain through the transceiver 300 . Specifically, when a customer applies for a specific network service from a telecommunications company, the telecommunications company can operate the terminal device to transmit order information corresponding to the customer's order to the management system 10, wherein the order information may include a chain corresponding to a specific network service. The provisioning data of , wherein the provisioning data may include a virtual network function descriptor (VNFD).

在一實施例中，網路服務鏈操作與呈現模組111可通過收發器300接收輸入資料或發送輸出資料。網路服務鏈操作與呈現模組111還可通過收發器300輸出圖形使用者介面（graphical user interface，GUI），以藉由圖形使用者介面顯示網路服務鏈的相關資訊供使用者參考。In one embodiment, the network service chaining operation and presentation module 111 may receive input data or send output data through the transceiver 300 . The network service chain operation and presentation module 111 can also output a graphical user interface (GUI) through the transceiver 300, so as to display the relevant information of the network service chain through the GUI for the user's reference.

在步驟S200中，網路資源管理模組112可根據訂單資訊從網路資源池中選出用於網路服務鏈的網路資源。網路資源可包含諸如核心網路交換器、軟體定義網路交換器或資料實體伺服器等。在選出網路資源後，網路資源管理模組112可向網路服務鏈生成模組116回報所選擇的網路資源。In step S200, the network resource management module 112 may select network resources for the network service chain from the network resource pool according to the order information. Network resources may include core network switches, software-defined network switches, or data entity servers, for example. After the network resource is selected, the network resource management module 112 can report the selected network resource to the network service chain generation module 116 .

在步驟S300中，網路服務鏈生成模組116可根據網路資源產生網路資源配置。網路資源配置可包含各個模組（例如：軟體定義網路模組117或虛擬服務鏈管理模組119）為了滿足訂單所需要的訊息或範本。在一實施例中，訂單資訊可包含虛擬網路功能描述檔。網路服務鏈生成模組116可根據網路資源以及虛擬網路功能描述檔產生網路資源配置。In step S300, the network service chain generation module 116 may generate a network resource configuration according to the network resources. The network resource configuration may include messages or templates required by various modules (eg, the software-defined network module 117 or the virtual service chain management module 119 ) to fulfill the order. In one embodiment, the order information may include a virtual network function description file. The network service chain generation module 116 can generate the network resource configuration according to the network resources and the virtual network function description file.

在步驟S400中，軟體定義網路管理模組117可根據網路資源配置來配置核心網路交換器以實例化網路服務鏈，並且虛擬服務鏈管理模組119可根據網路資源配置來配置軟體定義網路交換器以實例化網路服務鏈。In step S400, the software-defined network management module 117 can configure the core network switch to instantiate the network service chain according to the network resource configuration, and the virtual service chain management module 119 can be configured according to the network resource configuration Software-defined network switches to instantiate network service chains.

圖3根據本發明的一實施例繪示步驟S200的詳細流程圖。在步驟S210中，網路資源管理模組112可自網路服務鏈生成模組116接收訊息。所述訊息可由網路服務鏈生成模組116週期性地產生，或可由事件觸發網路服務鏈生成模組116產生。舉例來說，使用者可操作終端裝置傳送操作指令至系統10。網路服務鏈操作與呈現模組111可通過收發器300接收操作指令。網路服務鏈生成模組116可根據操作指令的觸發產生所述訊息。FIG. 3 is a detailed flowchart of step S200 according to an embodiment of the present invention. In step S210 , the network resource management module 112 may receive a message from the network service chain generation module 116 . The message may be generated by the network service chain generation module 116 periodically, or may be generated by an event-triggered network service chain generation module 116 . For example, the user can operate the terminal device to transmit the operation command to the system 10 . The network service chain operation and presentation module 111 can receive operation instructions through the transceiver 300 . The network service chain generation module 116 can generate the message according to the trigger of the operation instruction.

在步驟S220中，網路資源管理模組112可判斷訊息包含初始化指令或訂單資訊。若訊息包含初始化指令，則進入步驟S230。若訊息包含訂單資訊，則進入步驟S240。In step S220, the network resource management module 112 may determine that the message includes an initialization command or order information. If the message contains an initialization command, go to step S230. If the message contains order information, go to step S240.

在步驟S230中，網路資源管理模組112可存取網路資訊池中的所有網路資源的網路資源狀態，其中所述網路資源狀態可包含各個網路資源及其使用狀態。使用狀態可指示網路資源正被使用中或未被使用。網路資源操作模組114可將網路資源狀態寫入網路資源資料庫115以供查詢。在一實施例中，網路資源操作模組114可為每一個網路資源分配網路資源識別碼，並且基於預設的排序方式而根據網路資源識別碼排序各個網路資源。舉例來說，網路資源操作模組114可根據網路資源識別碼由小到大的排序網路資源。網路資源操作模組114也可根據網路資源識別碼由大到小的排序網路資源。In step S230, the network resource management module 112 can access the network resource status of all network resources in the network information pool, wherein the network resource status may include each network resource and its usage status. The usage status may indicate that the network resource is being used or not being used. The network resource operation module 114 can write the network resource status into the network resource database 115 for query. In one embodiment, the network resource operation module 114 can assign a network resource identifier to each network resource, and sort each network resource according to the network resource identifier based on a preset sorting method. For example, the network resource operation module 114 can sort the network resources from small to large according to the network resource identifiers. The network resource operation module 114 can also sort the network resources from large to small according to the network resource identifiers.

在步驟S240中，網路資源管理模組112可啟動決策網路資源模組113。決策網路資源模組113可存取網路資源資料庫115以取得網路資源狀態。In step S240 , the network resource management module 112 can activate the decision network resource module 113 . The decision network resource module 113 can access the network resource database 115 to obtain the network resource status.

在步驟S250中，決策網路資源模組113可根據網路資源狀態判斷網路資源池中的可用網路資源是否滿足訂單資訊。若可用網路資源滿足訂單資訊，則進入步驟S270。若可用網路資源未滿足訂單資訊，則進入步驟S260。In step S250, the decision network resource module 113 may determine whether the available network resources in the network resource pool satisfy the order information according to the network resource status. If the available network resources satisfy the order information, go to step S270. If the available network resources do not satisfy the order information, then go to step S260.

在步驟S260中，決策網路資源模組113可通過收發器300輸出告警訊息，藉以提示管理系統10的使用者現有的網路資源無法滿足客戶訂單的需求。具體來說，決策網路資源模組113可響應於可用網路資源未滿足訂單資訊而傳送通知訊息至網路服務鏈操作與呈現模組111。網路服務鏈操作與呈現模組111可通過收發器300輸出（例如：通過圖形使用者介面）對應於通知訊息的告警訊息。In step S260, the decision-making network resource module 113 can output an alarm message through the transceiver 300, so as to remind the user of the management system 10 that the existing network resources cannot meet the demand of the customer's order. Specifically, the decision network resource module 113 may send a notification message to the network service chain operation and presentation module 111 in response to the available network resources not meeting the order information. The web service chaining operation and presentation module 111 can output (eg, through a GUI) an alert message corresponding to the notification message through the transceiver 300 .

在步驟S270中，決策網路資源模組113可從可用網路資源中選出網路資源，並且向網路資源管理模組112回報所選的網路資源。在一實施例中，決策網路資源模組113可響應於選出網路資源而更新網路資源資料庫115中的網路資源狀態。舉例來說，決策網路資源模組113可將所選的網路資源的使用狀態改為使用中。In step S270 , the network resource decision module 113 may select a network resource from the available network resources, and report the selected network resource to the network resource management module 112 . In one embodiment, the decision network resource module 113 may update the network resource status in the network resource database 115 in response to the selected network resource. For example, the decision network resource module 113 can change the usage status of the selected network resource to in use.

圖4根據本發明的一實施例繪示步驟S250的詳細流程圖。在步驟S251中，決策網路資源模組113可存取網路資源資料庫115以讀取依照網路資源識別碼排序的各個網路資源的相關資訊。FIG. 4 is a detailed flowchart of step S250 according to an embodiment of the present invention. In step S251, the decision network resource module 113 may access the network resource database 115 to read the relevant information of each network resource sorted according to the network resource identifiers.

在步驟S252中，決策網路資源模組113可根據網路資源狀態將使用中網路資源自網路資源池過濾以取得未使用網路資源的數量。具體來說，決策網路資源模組113可將使用狀態為使用中的網路資源從網路資源資料庫115中過濾掉，而保留下使用狀態為未使用的未使用網路資源。決策網路資源模組113可根據各個未使用網路資源的網路資源識別碼為未使用網路資源進行排序，並且根據網路資源的排序依序地為對應於訂單資訊的網路服務鏈選擇可用網路資源。In step S252, the network resource decision module 113 may filter the network resources in use from the network resource pool according to the network resource status to obtain the quantity of unused network resources. Specifically, the network resource decision module 113 can filter out the network resources whose usage status is in use from the network resource database 115 , and keep unused network resources whose usage status is unused. The decision-making network resource module 113 can sort the unused network resources according to the network resource identifiers of the unused network resources, and sequentially order the network service chains corresponding to the order information according to the ordering of the network resources Select available network resources.

在步驟S253中，決策網路資源模組113可判斷可用網路資源的數量是否能滿足訂單資訊。若可用網路資源的數量滿足訂單資訊（即：可用資源的數量大於或等於訂單所需的網路資源），則進入步驟S254。若可用網路資源的數量未滿足訂單資訊（即：可用資源的數量小於訂單所需的網路資源），則進入步驟S255。In step S253, the decision network resource module 113 may determine whether the quantity of available network resources can satisfy the order information. If the quantity of available network resources satisfies the order information (ie: the quantity of available resources is greater than or equal to the network resources required by the order), then go to step S254. If the quantity of available network resources does not satisfy the order information (that is, the quantity of available resources is less than the network resources required by the order), step S255 is entered.

在步驟S254中，決策網路資源模組113可判斷可用網路資源滿足訂單資訊。In step S254, the decision network resource module 113 may determine that the available network resources satisfy the order information.

在步驟S255中，決策網路資源模組113可判斷網路資源資料庫115是否已被更新。若網路資源資料庫115已被更新，則進入步驟S257。若網路資源資料庫115未被更新，則進入步驟S256。在一實施例中，決策網路資源模組113可根據網路資源資料庫115的最後更新時間來判斷網路資源資料庫115是否已被更新。若網路資源資料庫115的最後更新時間與當前時間的差距大於預設時間，則判斷網路資源資料庫115尚未被更新。若網路資源資料庫115的最後更新時間與當前時間的差距小於或等於預設時間，則判斷網路資源資料庫115已被更新。In step S255, the decision network resource module 113 may determine whether the network resource database 115 has been updated. If the network resource database 115 has been updated, go to step S257. If the network resource database 115 has not been updated, go to step S256. In one embodiment, the decision network resource module 113 may determine whether the network resource database 115 has been updated according to the last update time of the network resource database 115 . If the difference between the last update time of the network resource database 115 and the current time is greater than the preset time, it is determined that the network resource database 115 has not been updated. If the difference between the last update time of the network resource database 115 and the current time is less than or equal to the preset time, it is determined that the network resource database 115 has been updated.

在步驟S256中，網路資源操作模組114可更新網路資源資料庫115。具體來說，網路資源管理模組112可存取網路資訊池中的所有網路資源的網路資源狀態。網路資源操作模組114可將網路資源狀態寫入網路資源資料庫115。In step S256, the network resource operation module 114 may update the network resource database 115. Specifically, the network resource management module 112 can access the network resource status of all network resources in the network information pool. The network resource operation module 114 can write the network resource status into the network resource database 115 .

在步驟S257中，決策網路資源模組113可判斷可用網路資源未滿足訂單資訊。In step S257, the decision network resource module 113 may determine that the available network resources do not satisfy the order information.

圖5根據本發明的一實施例繪示步驟S400的詳細流程圖。在步驟S410中，網路服務鏈生成模組116可對虛擬網路功能描述檔進行格式檢查。FIG. 5 is a detailed flowchart of step S400 according to an embodiment of the present invention. In step S410, the network service chain generation module 116 may perform a format check on the virtual network function description file.

在步驟S420中，虛擬服務鏈管理模組119可根據虛擬網路功能描述檔供裝網路服務鏈。具體來說，虛擬服務鏈管理模組119可響應於虛擬網路功能描述檔的格式正確而根據虛擬網路功能描述檔配置用於實例化網路服務鏈的軟體定義網路交換器，藉以進行虛擬服務鏈的建置，從而完成網路服務鏈的供裝。In step S420, the virtual service chain management module 119 can provide and install the network service chain according to the virtual network function description file. Specifically, the virtual service chain management module 119 can configure the software-defined network switch for instantiating the network service chain according to the virtual network function description file in response to the correct format of the virtual network function description file, so as to perform The establishment of virtual service chain to complete the supply and installation of network service chain.

在步驟S430中，軟體定義網路管理模組117可根據虛擬網路功能描述檔供裝網路服務鏈。具體來說，虛擬服務鏈管理模組119可響應於虛擬網路功能描述檔的格式正確而根據虛擬網路功能描述檔配置用於實例化網路服務鏈的核心網路交換器，藉以進行虛擬網路服務與實體網路通道之間的服務鏈的連接，從而完成網路服務鏈的供裝。In step S430, the software-defined network management module 117 can provide the network service chain according to the virtual network function description file. Specifically, the virtual service chain management module 119 can configure the core network switch for instantiating the network service chain according to the virtual network function description file in response to the correct format of the virtual network function description file, so as to perform virtual The connection of the service chain between the network service and the physical network channel, so as to complete the supply and installation of the network service chain.

在步驟S440中，網路服務鏈生成模組116可判斷網路服務鏈的實例化是否成功。若網路服務鏈的實例化成功，則進入步驟S460。若網路服務鏈的實例化失敗，則進入步驟S450。In step S440, the network service chain generation module 116 may determine whether the instantiation of the network service chain is successful. If the instantiation of the network service chain is successful, go to step S460. If the instantiation of the network service chain fails, go to step S450.

在步驟S450中，網路服務鏈生成模組116可通過收發器300輸出告警訊息。具體來說，網路服務鏈生成模組116可傳送通知訊息至網路服務鏈操作與呈現模組111。網路服務鏈操作與呈現模組111可通過收發器300輸出（例如：通過圖形使用者介面）對應於通知訊息的告警訊息。另一方面，網路服務鏈生成模組116可傳送初始化指令至網路資源管理模組112以指示網路資源管理模組112初始化網路資源資料庫115。In step S450 , the network service chain generation module 116 can output an alarm message through the transceiver 300 . Specifically, the web service chain generation module 116 can send a notification message to the web service chain operation and presentation module 111 . The web service chaining operation and presentation module 111 can output (eg, through a GUI) an alert message corresponding to the notification message through the transceiver 300 . On the other hand, the network service chain generation module 116 may send an initialization command to the network resource management module 112 to instruct the network resource management module 112 to initialize the network resource database 115 .

在一實施例中，網路服務鏈生成模組116可響應於網路服務鏈的實例化失敗而傳送通知訊息至網路資源操作模組114。網路資源操作模組114可根據通知訊息釋放配置給網路服務鏈的網路資源。In one embodiment, the network service chain generation module 116 may send a notification message to the network resource operation module 114 in response to the failure of the instantiation of the network service chain. The network resource operation module 114 can release the network resources allocated to the network service chain according to the notification message.

在步驟S460中，網路服務鏈生成模組116可更新對應於網路服務鏈的實體網路通道資訊以及虛擬服務鏈資訊。具體來說，實體網路通道資料庫118可儲存實體網路通道資訊。虛擬服務鏈資料庫120可儲存虛擬服務鏈資訊。網路服務鏈生成模組116可響應於網路服務鏈已經被成功地實例化而更新實體網路通道資料庫118或虛擬服務鏈資料庫120中儲存的與網路服務鏈相關的實體網路通道資訊以及虛擬服務鏈資訊。In step S460, the network service chain generation module 116 may update the physical network channel information and virtual service chain information corresponding to the network service chain. Specifically, the physical network channel database 118 may store physical network channel information. The virtual service chain database 120 can store virtual service chain information. The network service chain generation module 116 may update the physical network associated with the network service chain stored in the physical network channel database 118 or the virtual service chain database 120 in response to the network service chain having been successfully instantiated Channel information and virtual service chain information.

圖6根據本發明的一實施例繪示電信網路的示意圖。電信網路可包含實體層以及管理層等兩個層級。管理層可包含管理系統10的網路資源管理模組112、網路服務鏈生成模組116、軟體定義網路管理模組117以及虛擬服務鏈管理模組119。實體層可包含核心網路610中的一或多個核心網路交換器611、一或多個資料實體伺服器620、軟體定義網路630中的一或多個軟體定義網路交換器631以及客戶所持有的一或多個終端裝置640。FIG. 6 is a schematic diagram illustrating a telecommunication network according to an embodiment of the present invention. A telecommunication network can contain two layers, the physical layer and the management layer. The management layer may include a network resource management module 112 , a network service chain generation module 116 , a software-defined network management module 117 and a virtual service chain management module 119 of the management system 10 . The physical layer may include one or more core network switches 611 in the core network 610, one or more data physical servers 620, one or more software-defined network switches 631 in the software-defined network 630, and One or more terminal devices 640 held by the customer.

網路服務鏈生成模組116可根據訂單資訊產生網路資源配置，其中網路資源配置可包含管理層中的各個模組所需要的訊息或範本。網路資源管理模組112可根據訂單資訊為終端裝置640配置虛擬區域網路（virtual local area network，VLAN）識別碼（ID）。虛擬服務鏈管理模組119可根據終端裝置的VLAN ID配置軟體定義網路交換器631以實例化對應於終端裝置的網路服務鏈。軟體定義網路管理模組117可根據網路資源配置來配置核心網路交換器611以實例化網路服務鏈。The network service chain generation module 116 can generate a network resource configuration according to the order information, wherein the network resource configuration can include information or templates required by each module in the management layer. The network resource management module 112 can configure a virtual local area network (VLAN) identifier (ID) for the terminal device 640 according to the order information. The virtual service chain management module 119 can configure the software-defined network switch 631 according to the VLAN ID of the end device to instantiate the network service chain corresponding to the end device. The software-defined network management module 117 can configure the core network switch 611 to instantiate the network service chain according to the network resource configuration.

綜上所述，本發明具有以下的特點以及功效：（1）本發明可利用虛擬連接的管理以及網路資源的控制彈性建立異地資料中心之間的通道並將其實例化為網路服務。本發明的目的之一為提供更彈性的網路服務實例化與管理。此外，本發明還可提供人性化的顯示介面，將實例化結果清楚呈現。（2）本發明提供一個決策網路資源配發機制，此機制可使系統在建立虛擬網路通道時，決策該通道需使用的網路資源並進行該資源的配發，藉此能有效率的提高網路資源的使用率。（3）本發明可支援虛擬網路多通道連接的資源配發，使系統可提供一個高可用性通道連接技術，透過決策網路資源配發機制來決定配置的網路資源，可使虛擬網路服務達到動態串接單對多或多對多的網路通道，藉此可提升虛擬網路服務的傳輸速度且可避免在某個網路通道發生問題時尚有另一個網路通道可以使用，來確保網路服務品質。（4）搭配實體網路通道管控功能與本發明之決策網路資源配發機制、虛擬服務鏈生命週期管理功能以及虛擬網路服務鏈自動生成等功能，來達到節省人力和時間資源。To sum up, the present invention has the following features and effects: (1) The present invention can utilize the management of virtual connections and the control flexibility of network resources to establish channels between remote data centers and instantiate them as network services. One of the objectives of the present invention is to provide more flexible instantiation and management of network services. In addition, the present invention can also provide a user-friendly display interface to clearly present the instantiation results. (2) The present invention provides a decision-making network resource allocation mechanism, which enables the system to decide the network resources to be used by the channel and allocate the resources when establishing a virtual network channel, so as to efficiently increase the utilization of network resources. (3) The present invention can support the resource allocation of virtual network multi-channel connection, so that the system can provide a high-availability channel connection technology. The service achieves dynamic concatenation of single-to-many or many-to-many network channels, which can improve the transmission speed of virtual network services and avoid that another network channel can be used when a problem occurs in one network channel. Ensure the quality of network services. (4) Combine the physical network channel management and control functions with the decision-making network resource allocation mechanism of the present invention, the virtual service chain life cycle management function, and the automatic generation of virtual network service chains to save manpower and time resources.

10:管理系統 100:處理器 200:儲存媒體 111:網路服務鏈操作與呈現模組 112:網路資源管理模組 113:決策網路資源模組 114:網路資源操作模組 115:網路資源資料庫 116:網路服務鏈生成模組 117:軟體定義網路管理模組 118:實體網路通道資料庫 119:虛擬服務鏈管理模組 120:虛擬服務鏈資料庫 300:收發器 610:核心網路 611:核心網路交換器 620:資料實體伺服器 630:軟體定義網路 631:軟體定義網路交換器 640:終端裝置 S100、S200、S210、S220、S230、S240、S250、S251、S252、S253、S254、S255、S256、S257、S260、S270、S300、S400、S410、S420、S430、S440、S450、S460:步驟 10: Management System 100: Processor 200: Storage Media 111: Network service chain operation and presentation module 112: Network resource management module 113: Decision Network Resource Module 114: Network resource operation module 115: Internet Resource Database 116: Network service chain generation module 117: Software-defined network management module 118: Physical network channel database 119: Virtual service chain management module 120:Virtual Service Chain Database 300: Transceiver 610: Core Network 611: Core Network Switch 620:Data entity server 630: Software Defined Networking 631: Software Defined Network Switch 640: Terminal device Steps

圖1根據本發明的一實施例繪示一種網路服務鏈的管理系統的示意圖。 圖2根據本發明的一實施例繪示一種網路服務鏈的管理方法的流程圖。 圖3根據本發明的一實施例繪示步驟S200的詳細流程圖。 圖4根據本發明的一實施例繪示步驟S250的詳細流程圖。 圖5根據本發明的一實施例繪示步驟S400的詳細流程圖。 圖6根據本發明的一實施例繪示電信網路的示意圖。 FIG. 1 is a schematic diagram illustrating a management system of a network service chain according to an embodiment of the present invention. FIG. 2 is a flowchart illustrating a method for managing a network service chain according to an embodiment of the present invention. FIG. 3 is a detailed flowchart of step S200 according to an embodiment of the present invention. FIG. 4 is a detailed flowchart of step S250 according to an embodiment of the present invention. FIG. 5 is a detailed flowchart of step S400 according to an embodiment of the present invention. FIG. 6 is a schematic diagram illustrating a telecommunication network according to an embodiment of the present invention.

S100、S200、S300、S400:步驟 S100, S200, S300, S400: Steps

Claims (9)

一種網路服務鏈的管理系統，包括：收發器，通訊連接至網路資源池；儲存媒體，儲存多個模組；以及處理器，耦接所述儲存媒體以及所述收發器，並且存取和執行所述多個模組，其中所述多個模組包括：網路服務鏈操作與呈現模組，通過所述收發器接收訂單資訊；網路資源管理模組，根據所述訂單資訊從所述網路資源池中選出網路資源，並且存取所述網路資源的網路資源狀態，其中所述網路資源包括核心網路交換器以及軟體定義網路交換器，其中所述網路資源狀態包括用以指示所述網路資源是否被使用中的使用狀態；網路服務鏈生成模組，根據所述網路資源產生網路資源配置，其中所述網路資源管理模組自所述網路服務鏈生成模組接收訊息，其中所述網路資源管理模組響應於所述訊息包括初始化指令而通過所述收發器存取所述網路資源池以取得所述網路資源池中的所有網路資源的網路資源狀態，其中所述多個模組更包括：網路資源資料庫；以及網路資源操作模組，將所述網路資源狀態寫入所述網路資源資料庫，並且為所述網路資源分配網路資源識別碼， 其中所述網路資源操作模組根據所述網路資源識別碼排序所述網路資源池中的網路資源；軟體定義網路管理模組，根據所述網路資源配置來配置所述核心網路交換器以實例化所述網路服務鏈；以及虛擬服務鏈管理模組，根據所述網路資源配置來配置所述軟體定義網路交換器以實例化所述網路服務鏈。 A network service chain management system, comprising: a transceiver, communicatively connected to a network resource pool; a storage medium, storing a plurality of modules; and a processor, coupled to the storage medium and the transceiver, and accessing and executing the plurality of modules, wherein the plurality of modules include: a network service chain operation and presentation module, receiving order information through the transceiver; a network resource management module, according to the order information from A network resource is selected from the network resource pool, and the network resource status of the network resource is accessed, wherein the network resource includes a core network switch and a software-defined network switch, wherein the network The road resource status includes a use status to indicate whether the network resource is in use; the network service chain generation module generates network resource configuration according to the network resource, wherein the network resource management module automatically The network service chain generation module receives a message, wherein the network resource management module accesses the network resource pool through the transceiver to obtain the network resource in response to the message including an initialization instruction The network resource status of all network resources in the pool, wherein the multiple modules further include: a network resource database; and a network resource operation module, which writes the network resource status into the network a resource database, and assigns a network resource identifier to the network resource, Wherein, the network resource operation module sorts the network resources in the network resource pool according to the network resource identifier; a software-defined network management module configures the core according to the network resource configuration a network switch to instantiate the network service chain; and a virtual service chain management module to configure the software-defined network switch to instantiate the network service chain according to the network resource configuration. 如請求項1所述的管理系統，其中所述多個模組更包括：決策網路資源模組，其中所述網路資源管理模組響應於所述訊息包括所述訂單資訊而啟動所述決策網路資源模組，其中所述決策網路資源模組存取所述網路資源資料庫以取得所述網路資源狀態，並且根據所述網路資源狀態判斷所述網路資源池中的可用網路資源是否滿足所述訂單資訊，其中所述決策網路資源模組響應於所述可用網路資源滿足所述訂單資訊而從所述可用網路資源中選出所述網路資源，並且向所述網路資源管理模組回報所選的所述網路資源。 The management system of claim 1, wherein the plurality of modules further comprises: a decision-making network resource module, wherein the network resource management module activates the order information in response to the message including the order information A decision-making network resource module, wherein the decision-making network resource module accesses the network resource database to obtain the network resource status, and determines whether the network resource pool is in the network resource pool according to the network resource status whether the available network resources satisfy the order information, wherein the decision network resource module selects the network resources from the available network resources in response to the available network resources meeting the order information, And the selected network resource is reported to the network resource management module. 如請求項2所述的管理系統，其中所述決策網路資源模組響應於所述可用網路資源未滿足所述訂單資訊而通過所述收發器輸出告警訊息。 The management system of claim 2, wherein the decision-making network resource module outputs an alert message through the transceiver in response to the available network resource not meeting the order information. 如請求項2所述的管理系統，其中所述決策網路資源模組響應於選出所述網路資源而更新所述網路資源狀態。 The management system of claim 2, wherein the decision network resource module updates the network resource status in response to selecting the network resource. 如請求項2所述的管理系統，其中 所述決策網路資源模組根據所述網路資源狀態將使用中網路資源自所述網路資源池過濾以取得未使用網路資源的數量，其中所述決策網路資源模組響應於所述數量滿足所述訂單資訊而判斷所述可用網路資源滿足所述訂單資訊，並且響應於所述數量未滿足所述訂單資訊而判斷所述可用網路資源未滿足所述訂單資訊。 The management system of claim 2, wherein The decision network resource module filters the network resources in use from the network resource pool according to the network resource status to obtain the quantity of unused network resources, wherein the decision network resource module responds to It is determined that the available network resources satisfy the order information when the quantity satisfies the order information, and in response to the quantity that does not satisfy the order information, it is determined that the available network resources do not satisfy the order information. 如請求項1所述的管理系統，其中所述訂單資訊包括虛擬網路功能描述檔，其中所述網路服務鏈生成模組根據所述網路資源以及所述虛擬網路功能描述檔產生所述網路資源配置。 The management system according to claim 1, wherein the order information includes a virtual network function description file, wherein the network service chain generation module generates the generated data according to the network resources and the virtual network function description file. configuration of network resources. 如請求項1所述的管理系統，其中所述多個模組更包括：實體網路通道資料庫，儲存實體網路通道資訊；以及虛擬服務鏈資料庫，儲存虛擬服務鏈資訊，其中網路服務鏈生成模組響應於所述網路服務鏈的實例化成功而更新對應於所述網路服務鏈的所述實體網路通道資訊以及所述虛擬服務鏈資訊，其中所述網路服務鏈生成模組響應於所述網路服務鏈的所述實例化失敗而傳送通知訊息至所述網路資源操作模組，其中所述網路資源操作模組根據所述通知訊息釋放所述網路資源。 The management system of claim 1, wherein the plurality of modules further comprise: a physical network channel database, storing physical network channel information; and a virtual service chain database, storing virtual service chain information, wherein the network The service chain generation module updates the physical network channel information and the virtual service chain information corresponding to the network service chain in response to the successful instantiation of the network service chain, wherein the network service chain The generation module transmits a notification message to the network resource operation module in response to the failure of the instantiation of the network service chain, wherein the network resource operation module releases the network according to the notification message resource. 如請求項1所述的管理系統，其中所述網路資源管理模組根據所述訂單資訊為終端裝置配置虛擬區域網路識別碼，其 中所述虛擬服務鏈管理模組根據所述虛擬區域網路識別碼實例化對應於所述終端裝置的所述網路服務鏈。 The management system according to claim 1, wherein the network resource management module configures a virtual local area network identification code for the terminal device according to the order information, which The virtual service chain management module in , instantiates the network service chain corresponding to the terminal device according to the virtual area network identification code. 一種網路服務鏈的管理方法，包括：接收訂單資訊；根據所述訂單資訊從網路資源池中選出網路資源，並且存取所述網路資源的網路資源狀態，其中所述網路資源包括核心網路交換器以及軟體定義網路交換器，其中所述網路資源狀態包括用以指示所述網路資源是否被使用中的使用狀態；根據所述網路資源產生網路資源配置，響應於初始化指令而存取所述網路資源池以取得所述網路資源池中的所有網路資源的網路資源狀態，其中更包括：將所述網路資源狀態寫入所述網路資源資料庫，為所述網路資源分配網路資源識別碼，並且根據所述網路資源識別碼排序所述網路資源池中的網路資源；以及根據所述網路資源配置來配置所述核心網路交換器以及所述軟體定義網路交換器以實例化所述網路服務鏈。 A method for managing a network service chain, comprising: receiving order information; selecting network resources from a network resource pool according to the order information, and accessing network resource status of the network resources, wherein the network The resource includes a core network switch and a software-defined network switch, wherein the network resource status includes a use status to indicate whether the network resource is in use; a network resource configuration is generated according to the network resource , in response to an initialization instruction, accessing the network resource pool to obtain the network resource status of all network resources in the network resource pool, which further includes: writing the network resource status into the network a road resource database, assigning a network resource identifier to the network resource, and sorting network resources in the network resource pool according to the network resource identifier; and configuring according to the network resource configuration The core network switch and the software-defined network switch to instantiate the network service chain.
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