TWI809888B - Communication system, computer readable memory medium and communication control method - Google Patents

Communication system, computer readable memory medium and communication control method Download PDF

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TWI809888B
TWI809888B TW111119091A TW111119091A TWI809888B TW I809888 B TWI809888 B TW I809888B TW 111119091 A TW111119091 A TW 111119091A TW 111119091 A TW111119091 A TW 111119091A TW I809888 B TWI809888 B TW I809888B
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information
communication terminal
slice
network
identification information
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TW202301838A (en
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松嶋聰
堀場勝廣
横田大輔
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日商軟銀股份有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/76Routing in software-defined topologies, e.g. routing between virtual machines

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)

Abstract

提供一種通信系統,該系統具備有:一資訊取得部,用以取得:於行動網路中與通信終端相關聯之切片識別資訊;通信終端的終端識別資訊;通信終端所在基站(base station)的基站識別資訊;及IP網路中的路徑資訊,一導入部,將資訊取得部取得的資訊導入到在行動網路和IP網路之間進行中繼的路由器中與切片識別資訊對應的路由表中;及一傳輸控制部,在路由器中利用段路由(Segment Routing)控制根據路徑資訊來傳輸通信終端的封包(package)。 A communication system is provided, the system is provided with: an information obtaining unit, used to obtain: slice identification information associated with a communication terminal in a mobile network; terminal identification information of the communication terminal; information of a base station where the communication terminal is located Base station identification information; and path information in the IP network, an importing part, which imports the information obtained by the information obtaining part into a routing table corresponding to the slice identification information in a router relaying between the mobile network and the IP network wherein; and a transmission control unit, which uses segment routing (Segment Routing) control in the router to transmit the packet of the communication terminal according to the path information.

Description

通信系統、電腦可讀記憶媒體和通信控制方法 Communication system, computer readable memory medium and communication control method

本發明係有關於一種通信系統、電腦可讀記憶媒體和通信控制方法。 The invention relates to a communication system, a computer-readable memory medium and a communication control method.

在行動網路的網路切片(Network slice)技術上,利用S-NSSAI(Single Network Slice Selection Assistance Information)對切片進行識別(如專利文獻1所示)。 In the network slice (Network slice) technology of mobile networks, S-NSSAI (Single Network Slice Selection Assistance Information) is used to identify slices (as shown in Patent Document 1).

[先前技術文獻] [Prior Art Literature]

專利文獻1:日本專利特開2021-022889號公報 Patent Document 1: Japanese Patent Laid-Open No. 2021-022889

根據本發明的一實施例,提供了一種通信系統。通信系統可以具備有一資訊取得部,其係用以取得:於行動網路中與通信終端相關聯之切片識別資訊;通信終端的終端識別資訊;通信終端所在的基站的基站識別資訊;及IP網路中的路徑資訊。通信系統可以具備有一導入部,將資訊取得部取得的資訊導入到在行動網路和IP網路之間進行中繼的路由器中與切片識別資訊對應的路由表中。通信系統可以具備有一傳輸控制部,在路由器中利用段路由控制根據路徑資訊來傳輸通信終端的封包。 According to an embodiment of the present invention, a communication system is provided. The communication system may have an information obtaining unit for obtaining: slice identification information associated with the communication terminal in the mobile network; terminal identification information of the communication terminal; base station identification information of the base station where the communication terminal is located; and IP network Route information on the road. The communication system may include an importing unit that imports the information obtained by the information obtaining unit into a routing table corresponding to the slice identification information in a router that relays between the mobile network and the IP network. The communication system may have a transmission control unit, which uses segment routing control in the router to transmit the packet of the communication terminal according to the path information.

上述傳輸控制部在上述路由器中,可以利用SRv6(Segment Routing IPv6)控制根據上述路徑資訊來傳輸上述通信終端的封包。上述傳輸控制部,在上述路由器中,於上述通信終端的封包中可以賦 予包含複數個目的地的IPv6位址形式的報頭,該複數個目的地係根據在定位域(locator field)中與上述切片識別資訊對應的上述路徑資訊。上述導入部可以將上述資訊取得部取得的資訊作為與上述行動網路和網際網路進行中繼的上述路由器中與上述切片識別資訊對應的路由表,導入到與SRv6資訊相關連的VRF(Virtual routing and forwarding)的路由表中。上述資訊取得部可以取得對應於與上述通信終端相關聯的S-NSSAI的網路實例作為上述切片識別資訊。上述通信系統可以具備:特定上述通信終端的用戶所希望的服務的服務特定部;及根據上述服務特定部所特定的服務,來決定上述行動網路中的切片和上述IP網路中的路徑資訊的決定部,且上述資訊取得部可以取得由上述決定部所決定的切片的上述切片識別資訊和上述路徑資訊。 The transmission control unit may use SRv6 (Segment Routing IPv6) in the router to control the transmission of the packet of the communication terminal based on the route information. In the above-mentioned router, the above-mentioned transmission control unit may assign A header in the form of IPv6 addresses containing a plurality of destinations based on the path information corresponding to the slice identification information in a locator field. The importing unit may import the information acquired by the information acquiring unit as a routing table corresponding to the slice identification information in the router relaying the mobile network and the Internet, and import it into a VRF (Virtual Virtual Reality Network) associated with the SRv6 information. routing and forwarding) routing table. The information acquisition unit may acquire a network instance corresponding to the S-NSSAI associated with the communication terminal as the slice identification information. The communication system may include: a service specifying unit that specifies a service desired by a user of the communication terminal; and determining slices in the mobile network and path information in the IP network based on the service specified by the service specifying unit. The determination unit, and the information acquisition unit may acquire the slice identification information and the path information of the slice determined by the determination unit.

根據本發明的一實施例,提供了用於使電腦作為上述通信系統的程式。 According to one embodiment of the present invention, there is provided a program for making a computer function as the above-mentioned communication system.

根據本發明的一實施例,提供了一種用電腦來執行的通信控制方法。通信控制方法可以具備有資訊取得階段,其用以取得:於行動網路中與通信終端相關聯之切片識別資訊;通信終端的終端識別資訊;通信終端所在基站的基站識別資訊;及IP網路中的路徑資訊。通信控制方法可以具備有導入階段,將於資訊取得階段中取得的資訊導入到在行動網路和IP網路之間進行中繼的路由器中與切片識別資訊對應的路由表中。通信控制方法可以具備有傳輸控制階段,在路由器中利用段路由控制根據路徑資訊來傳輸通信終端的封包。 According to an embodiment of the present invention, a communication control method executed by a computer is provided. The communication control method may have an information obtaining stage, which is used to obtain: slice identification information associated with the communication terminal in the mobile network; terminal identification information of the communication terminal; base station identification information of the base station where the communication terminal is located; and IP network Path information in . The communication control method may include an import stage of importing information acquired in the information acquisition stage into a routing table corresponding to the slice identification information in a router relaying between the mobile network and the IP network. The communication control method may have a transmission control stage, in which the segment routing control is used in the router to transmit the packet of the communication terminal according to the path information.

上述發明的概要並未列舉本發明的所有必要特徵。此外,此等特徵群的子組合也可以成是發明。 The above summary of the invention does not list all essential features of the invention. In addition, subcombinations of these feature groups may also constitute inventions.

10:系統 10: System

20:聚集通訊大樓 20: Gather Communications Building

22:通訊大樓 22: Communication Building

100:核心網路 100: core network

102、104、106:網路切片 102, 104, 106: Network slicing

110:路由器 110: router

112、114、116:VRF 112, 114, 116: VRF

120:UPF 120:UPF

130:AMF 130:AMF

140:SMF 140:SMF

150:NSSF 150:NSSF

160:AUSF 160:AUSF

170:UDM 170:UDM

200:AN 200:AN

210:無線基站 210: wireless base station

220:路由器 220: router

300:DN 300:DN

310:網際網路 310:Internet

311:節點 311: node

312、314、316:伺服器 312, 314, 316: server

320:雲端/MEC 320: Cloud/MEC

332、334、336:通訊路徑 332, 334, 336: communication path

342、344、346:網路切片構造 342, 344, 346: Network slicing structure

400:N4伺服器 400: N4 server

402:資訊取得部 402: Information Acquisition Department

404:導入部 404: Import department

406:傳輸控制部 406: Transmission Control Department

408:服務特定部 408: Service Specific Department

410:決定部 410: Decision Department

500、502、504、506:通信終端 500, 502, 504, 506: communication terminals

1200:電腦 1200: computer

1210:主機控制器 1210: host controller

1212:CPU 1212:CPU

1214:RAM 1214: RAM

1216:圖形控制器 1216: Graphics controller

1218:顯示裝置 1218: display device

1220:輸入/輸出控制器 1220: Input/Output Controller

1222:通訊介面 1222: communication interface

1224:記憶裝置 1224: memory device

1230:ROM 1230:ROM

1240:輸入/輸出晶片 1240: Input/Output Chip

第1圖為表示系統10的構造一示例之示意圖。 FIG. 1 is a schematic diagram showing an example of the construction of the system 10 .

第2圖為表示系統10的邏輯構造一示例之示意圖。 FIG. 2 is a schematic diagram showing an example of the logical configuration of system 10 .

第3圖為表示網路切片構造一示例之示意圖。 FIG. 3 is a schematic diagram showing an example of network slicing structure.

第4圖為表示網路切片構造一示例之示意圖。 FIG. 4 is a schematic diagram showing an example of a network slicing structure.

第5圖為表示N4伺服器400的功能構造一示例之示意圖。 FIG. 5 is a schematic diagram showing an example of the functional structure of the N4 server 400 .

第6圖為表示作為N4伺服器400、UPF 120、或者SMF 140而發揮作用的電腦1200的硬體構造一例之示意圖。 FIG. 6 is a schematic diagram showing an example of the hardware structure of a computer 1200 functioning as the N4 server 400 , the UPF 120 , or the SMF 140 .

雖然在行動網路中來識別網路切片的技術為習知技術,但在行動網路中為封閉的。希望提供包含IP網路在內的網路切片的管理技術。例如,在行動網路、IP網路以及MEC(Multi-access Edge Computing)中,希望實現一次性貫通每個網路切片的網路切片構造。在3GPP TR29.892中,記載了網路實例可以利用UPF(User Plane Function)的本地配置(local configuration)與5G(5th Generation)核心以外的網路的標識符(包含VLAN(Virtual Local Area Network)、MPLS(Multi-Protocol Label Switching)和SRv6)來對應,雖沒有記載明確的方法,但對應點僅限於UPF,而無法與UPF以外的任何東西相關聯,故難以實現一次性貫通網路切片構造。另外,在IETF草案VTN(Virtual Transport Network)中,記載了將SRv6等作為VTN進行處理的概要,但沒有使VTN與5G等其他切片相對應的方法,要實現一次性貫通網路切片構造是困難的。在本實施例的系統10中,提供了有助於實現此種構造的技術。 Although the technology for identifying network slices in mobile networks is known, it is closed in mobile networks. It is hoped to provide management technology for network slicing including IP network. For example, in mobile networks, IP networks, and MEC (Multi-access Edge Computing), it is hoped to realize a network slice structure that penetrates each network slice at one time. In 3GPP TR29.892, it is recorded that the network instance can use the local configuration (local configuration) of UPF (User Plane Function) and the identifier of the network other than the 5G (5th Generation) core (including VLAN (Virtual Local Area Network) , MPLS (Multi-Protocol Label Switching) and SRv6), although there is no clear method recorded, but the corresponding point is limited to UPF, and cannot be associated with anything other than UPF, so it is difficult to realize a one-time through network slice structure . In addition, in the IETF draft VTN (Virtual Transport Network), the outline of handling SRv6 etc. as a VTN is described, but there is no way to make VTN correspond to other slices such as 5G, and it is difficult to realize a one-time through-network slice structure of. In the system 10 of the present embodiment, techniques are provided that facilitate the realization of such a configuration.

以下透過本發明實施例對本發明進行說明,但以下的實施例並不限定與專利申請範圍相關的發明。另外,在實施例中說明的所有特徵組合不一定為本發明的解決手段所必須的。 The present invention is described below through the embodiments of the present invention, but the following embodiments do not limit the inventions related to the scope of the patent application. In addition, all combinations of features described in the embodiments are not necessarily essential to the solution means of the present invention.

第1圖為表示系統10的構造一示例之示意圖。系統10構成行動網路。在本實施例中,主要係以系統10構成基於5G的行動網路的情況為例子進行說明,但並不限於此。系統10可以構成基於LTE(Long Term Evolution)、4G(4th Generation)的行動網路。系統10可以構成基於6G(6th Generation)的行動網路。 FIG. 1 is a schematic diagram showing an example of the construction of the system 10 . System 10 constitutes a mobile network. In this embodiment, the case where the system 10 constitutes a 5G-based mobile network is mainly used as an example for illustration, but it is not limited thereto. The system 10 can constitute a mobile network based on LTE (Long Term Evolution) and 4G (4th Generation). The system 10 can constitute a mobile network based on 6G (6th Generation).

系統10具備有核心網路100。核心網路100可以是5GC(5G核心網路)。系統10可以包含路由器110。系統10可以包含複數個路由器220。複數個路由器220分別收容在例如通信大樓22中,連接一個或複數個無線基站210。複數個路由器220連接到核心網路100。 The system 10 includes a core network 100 . The core network 100 may be a 5GC (5G core network). System 10 may include router 110 . System 10 may include a plurality of routers 220 . A plurality of routers 220 are housed in, for example, a communication building 22 , and are connected to one or a plurality of wireless base stations 210 . A plurality of routers 220 are connected to the core network 100 .

無線基站210可以是gNB(gNodeB)。無線基站210對通信終端500的通信進行中繼。通信終端500可以是智能手機等的行動電話。通信終端500也可以是平板終端。通信終端500也可以是PC(Personal Computer)。通信終端500也可以是穿戴式終端。通信終端500也可以是IoT(Internet of Thing)終端。通信終端500可以包含符合IoE(Internet of Everything)的所有東西。 The radio base station 210 may be a gNB (gNodeB). Radio base station 210 relays communication of communication terminal 500 . Communication terminal 500 may be a mobile phone such as a smartphone. Communication terminal 500 may also be a tablet terminal. Communication terminal 500 may also be a PC (Personal Computer). Communication terminal 500 may also be a wearable terminal. Communication terminal 500 may also be an IoT (Internet of Thing) terminal. Communication terminal 500 can include everything conforming to IoE (Internet of Everything).

路由器110例如收納在聚集通訊大樓20中,與核心網路100、作為IP網路的互聯網310以及雲端/MEC320連接。路由器110在行動網路和IP網路之間進行中繼。核心網路100可以收納在聚集通訊大樓20中,也可以配置在聚集通訊大樓外面。 The router 110 is housed in, for example, the centralized communication building 20 and is connected to the core network 100 , the Internet 310 which is an IP network, and the cloud/MEC 320 . The router 110 relays between the mobile network and the IP network. The core network 100 may be accommodated in the aggregated communication building 20, or may be arranged outside the aggregated communication building.

第2圖為表示系統10的邏輯構造一示例之示意圖。AN200包含無線基站210及路由器220等。核心網路100具備有:UPF 120、AMF(Access and Mobility Management Function)130、SMF(Session Management Function)140、NSSF(Network Slice Selection Function)150、AUSF(Authentication Server Function)160、UDM(Unified Data Funciton)170、以及N4伺服器400。 FIG. 2 is a schematic diagram showing an example of the logical configuration of system 10 . AN200 includes a wireless base station 210, a router 220, and the like. The core network 100 includes: UPF 120, AMF (Access and Mobility Management Function) 130, SMF (Session Management Function) 140, NSSF (Network Slice Selection Function) 150, AUSF (Authentication Server Function) 160, UDM (Unified Data Function) ) 170, and N4 server 400.

UPF 120係執行用戶封包的路由與傳輸。UPF 120除了具有到DN(Data Network)300的連接點功能外,還執行切換時的定錨點(Anchor Point)功 能、策略控制的實施功能以及流量使用量的監視功能等。UPF 120透過路由器110連接到DN 300。DN 300可以為IP網路。DN 300包括網際網路310。DN 300可以包含雲端/MEC 320。 The UPF 120 performs routing and transmission of user packets. In addition to the connection point function to DN (Data Network) 300, UPF 120 also performs the function of anchor point (Anchor Point) when switching. function, the implementation function of policy control, and the monitoring function of traffic usage. UPF 120 is connected to DN 300 through router 110 . DN 300 may be an IP network. DN 300 includes Internet 310 . DN 300 may contain cloud/MEC 320 .

AMF 130負責登記者管理、連接管理及移動管理等之功能。SMF 140負責對話管理(session management)的功能,負責對通信終端500的IP位址分配管理、UPF 120的選擇與控制等。NSSF 150負責選擇為通信終端500提供服務的網路切片的實例。AUSF 160負責通信終端500的認證功能。UDM 170保存訂戶合同資訊及認證資訊。 AMF 130 is responsible for functions such as registrant management, connection management, and mobility management. The SMF 140 is responsible for the session management function, responsible for the allocation and management of the IP address of the communication terminal 500, the selection and control of the UPF 120, and the like. The NSSF 150 is responsible for selecting an instance of the network slice that provides services for the communication terminal 500 . AUSF 160 is responsible for the authentication function of communication terminal 500 . UDM 170 holds subscriber contract information and authentication information.

核心網路100除了此等以外,也可以包含有NEF(Nerwork Exposure Function)、NRF(NF Repository Function)、PCF(Policy Control Function)。另外,核心網路100也可以包含有NWDAF(Network Data Analytics Function)及OCS(Online Charging Function)等。 In addition to these, the core network 100 may also include NEF (Nerwork Exposure Function), NRF (NF Repository Function), and PCF (Policy Control Function). In addition, the core network 100 may also include NWDAF (Network Data Analytics Function), OCS (Online Charging Function), and the like.

NEF負責向外部應用程式公開行動網路內的資訊,以及從外部應用程式接收到的資訊。NRF保持行動網路中網路功能實例的設定檔,並負責發現並通知查詢的網路功能實例及其提供的網路功能服務。NWDAF負責提供網路狀態的分析資訊。而OCS為負責在線的計費處理。 NEF is responsible for exposing information within the mobile network to external applications, as well as information received from external applications. The NRF maintains configuration files of NFIs in the mobile network, and is responsible for discovering and notifying queried NFIs and the NIF services they provide. NWDAF is responsible for providing analysis information of network status. The OCS is responsible for online billing processing.

N4伺服器400執行使行動網路內的切片與DN 300內的切片一次性貫通的處理。N4伺服器400例如取得由NSSF 150分配給通信終端500的切片標識符、通信終端500的終端識別資訊、通信終端500所在的無線基站210的基站識別資訊、DN 300的路徑資訊。切片標識符例如為S-NSSAI。作為終端識別資訊的例子,可以列舉IMEI(International Mobile Equipment Identifier)及IMSI(international mobile subscriber Identity),但不限於此等,只要能夠識別通信終端500者,任何資訊都可以。作為基地站識別資訊的例子,可以列舉gNBID及PCI(Physical Cell ID),但不限於此等,只要能夠識別無線基站210,任何資訊皆可。 DN 300中的路徑資訊對應於通信終端500的片標識符,表示適合通信終端500的用戶所希望的服務之路徑。 The N4 server 400 executes the process of connecting the slices in the mobile network and the slices in the DN 300 at one time. N4 server 400 obtains, for example, the slice identifier assigned to communication terminal 500 by NSSF 150 , terminal identification information of communication terminal 500 , base station identification information of wireless base station 210 where communication terminal 500 is located, and route information of DN 300 . The slice identifier is, for example, S-NSSAI. Examples of terminal identification information include IMEI (International Mobile Equipment Identifier) and IMSI (international mobile subscriber Identity), but are not limited thereto, and any information may be used as long as communication terminal 500 can be identified. Examples of base station identification information include gNBID and PCI (Physical Cell ID), but are not limited thereto, and any information may be used as long as the wireless base station 210 can be identified. The route information in DN 300 corresponds to the chip identifier of communication terminal 500 and indicates a route suitable for a service desired by the user of communication terminal 500 .

N4伺服器400取得例如由管理核心網路100的通信運營商所指定的路徑資訊。N4伺服器400也可以透過NEF等取得從外部通知的路徑資訊。N4伺服器400也可以自動地判定適合通信終端500的用戶所希望的服務的路徑,而生成路徑資訊。 The N4 server 400 obtains, for example, route information specified by the communication carrier that manages the core network 100 . The N4 server 400 can also acquire route information notified from the outside through NEF or the like. The N4 server 400 may automatically determine a route suitable for a service desired by the user of the communication terminal 500, and generate route information.

N4伺服器400可以生成與分配給通信終端500的切片標識符對應的VRF。N4伺服器400可以在路由器110中生成VRF實例,並將取得的資訊導入到路由表。然後,N4伺服器400可以在路由器110中進行控制,使得利用段路由並根據取得的路徑資訊來傳輸通信終端500的封包。N4伺服器400控制路由器110,例如,利用SRv6並根據該路徑資訊來傳輸通信終端的封包。根據本實施例的系統10,僅將行動網路中的通信終端500的資訊以及通信終端500的切片的資訊複製到路由器110的VRF中,就可以提供一種能夠簡單地交叉串接在行動網路的切片和IP網路的切片之間的環境。 The N4 server 400 may generate a VRF corresponding to the slice identifier assigned to the communication terminal 500 . The N4 server 400 can generate a VRF instance in the router 110 and import the obtained information into the routing table. Then, the N4 server 400 can control the router 110 so that the packet of the communication terminal 500 is transmitted by segment routing and according to the acquired path information. The N4 server 400 controls the router 110, for example, uses SRv6 to transmit the packet of the communication terminal according to the path information. According to the system 10 of this embodiment, only the information of the communication terminal 500 in the mobile network and the information of the slice of the communication terminal 500 are copied to the VRF of the router 110, so that a simple cross-connection in the mobile network can be provided. The environment between slices and IP network slices.

第3圖與第4圖為表示網路切片構造一示例之示意圖。在本實施例中,在行動網路(有時記載為MN。)中,網路切片102被分配給通信終端502,網路切片104被分配給通信終端504,網路切片106被分配給通信終端506。於此,係以通信終端502的用戶所希望的服務由伺服器312提供、通信終端504的用戶所希望的服務由DN的伺服器314提供、通信終端506的用戶所希望的服務由DN的伺服器316提供的情況為例子進行說明。 FIG. 3 and FIG. 4 are schematic diagrams showing an example of a network slicing structure. In this embodiment, in a mobile network (sometimes described as MN.), the network slice 102 is allocated to the communication terminal 502, the network slice 104 is allocated to the communication terminal 504, and the network slice 106 is allocated to the communication terminal 504. Terminal 506. Here, the service desired by the user of the communication terminal 502 is provided by the server 312, the service desired by the user of the communication terminal 504 is provided by the server 314 of the DN, and the service desired by the user of the communication terminal 506 is provided by the server of the DN. The situation provided by the device 316 is described as an example.

N4伺服器400為通信終端502取得:通信終端502的終端識別資訊、通信終端502所在的無線基站210的基站識別資訊、網路切片102的識別資訊、及與網路切片102的識別資訊對應的通信終端502的用戶所希望的服務對應的DN中的路徑資訊。 The N4 server 400 obtains for the communication terminal 502: the terminal identification information of the communication terminal 502, the base station identification information of the wireless base station 210 where the communication terminal 502 is located, the identification information of the network slice 102, and the information corresponding to the identification information of the network slice 102 Route information in the DN corresponding to the service desired by the user of the communication terminal 502 .

路徑資訊表示最終目的地和經過到最終目的地的節點311。路徑可以基於提供通信終端502的用戶所希望的服務的應用的位置、是否需要高速通信、是否需要高可靠通信、是否需要低延遲通信等來決定。 The route information indicates the final destination and the nodes 311 passed to the final destination. The path can be determined based on the location of an application providing a service desired by the user of communication terminal 502, whether high-speed communication is required, whether high-reliability communication is required, whether low-delay communication is required, or the like.

N4伺服器400同樣地為通信終端504取得:通信終端504的終端識別資訊、通信終端504所在的無線基站210的基站識別資訊、網路切片104的識別資訊、及與網路切片104的識別資訊對應的通信終端504的用戶所希望的服務對應的DN中的路徑資訊。N4伺服器400同樣地為通信終端506,取得:通信終端506的終端識別資訊、通信終端506所在的無線基站210的基站識別資訊、網路切片106的識別資訊、及與網路切片106的識別資訊對應的通信終端506的用戶所希望的服務對應的DN中的路徑資訊。 N4 server 400 similarly obtains for communication terminal 504: terminal identification information of communication terminal 504, base station identification information of wireless base station 210 where communication terminal 504 is located, identification information of network slice 104, and identification information of network slice 104 Corresponding route information in the DN corresponding to the service desired by the user of the communication terminal 504 . The N4 server 400 is also the communication terminal 506, and obtains: the terminal identification information of the communication terminal 506, the base station identification information of the wireless base station 210 where the communication terminal 506 is located, the identification information of the network slice 106, and the identification with the network slice 106 The route information in the DN corresponding to the service desired by the user of the communication terminal 506 corresponding to the information.

N4伺服器400在路由器110中生成與分配給通信終端502的網路切片102的識別資訊對應的VRF 112,在VRF 112的路由表中導入網路切片102的識別資訊、通信終端502的終端識別資訊和通信終端502所在的無線基站的基站識別資訊。然後,N4伺服器400對路由器110進行設定,以便將包含在定位域的IPv6位址形式的報頭賦予通信終端502的封包,作為以包含在與網路切片102的識別資訊對應的路徑資訊所表示的通信路徑332中的節點311和伺服器312作為目的地。由此,可以實現將MN及DN一次性貫通的網路切片構造342。 The N4 server 400 generates a VRF 112 corresponding to the identification information of the network slice 102 assigned to the communication terminal 502 in the router 110, and imports the identification information of the network slice 102 and the terminal identification of the communication terminal 502 into the routing table of the VRF 112. Information and base station identification information of the wireless base station where the communication terminal 502 is located. Then, the N4 server 400 configures the router 110 so as to give the packet of the communication terminal 502 a header in the form of an IPv6 address included in the location domain, as represented by the path information included in the identification information corresponding to the network slice 102 The node 311 and the server 312 in the communication path 332 as the destination. In this way, the network slice structure 342 in which MNs and DNs are connected at one time can be realized.

另外,N4伺服器400在路由器110中生成與分配給通信終端504的網路切片104的識別資訊對應的VRF 114,在VRF 114的路由表中導入網路切片104的識別資訊、通信終端504的終端識別資訊和通信終端504所在的無線基站的基站識別資訊。然後,N4伺服器400對路由器110進行設定,以便將包含在定位域的IPv6位址形式的報頭賦予通信終端504的封包,作為以包含在與網路切片104的識別資訊對應的路徑資訊所表示的通信路徑334中的節點311和伺服器314作為目的地。由此,可以實現將MN及DN一次性貫通的網路切片構造344。 In addition, N4 server 400 generates VRF 114 corresponding to the identification information of network slice 104 assigned to communication terminal 504 in router 110, and imports the identification information of network slice 104 and the identification information of communication terminal 504 into the routing table of VRF 114. The terminal identification information and the base station identification information of the wireless base station where the communication terminal 504 is located. Then, the N4 server 400 configures the router 110 so as to give the packet of the communication terminal 504 a header in the form of an IPv6 address included in the location field, as indicated by the path information included in the identification information corresponding to the network slice 104 The node 311 and the server 314 in the communication path 334 as the destination. In this way, the network slice structure 344 in which MNs and DNs are connected at one time can be realized.

另外,N4伺服器400在路由器110中生成與分配給通信終端506的網路切片106的識別資訊對應的VRF 116,在VRF 116的路由表中導入網路切片106的識別資訊、通信終端506的終端識別資訊和通信終端506所在的無線基站的基站識別資訊。然後,N4伺服器400對路由器110進行設定,以便將包含在定位域的IPv6位址形式的報頭賦予通信終端506的封包,作為以包含在與網路切片106的識別資訊對應的路徑資訊所表示的通信路徑336中的節點311和伺服器316作為目的地。由此,可以實現將MN及DN一次性貫通的網路切片構造346。 In addition, N4 server 400 generates VRF 116 corresponding to the identification information of network slice 106 assigned to communication terminal 506 in router 110, and imports the identification information of network slice 106 and the identification information of communication terminal 506 into the routing table of VRF 116. The terminal identification information and the base station identification information of the wireless base station where the communication terminal 506 is located. Then, the N4 server 400 configures the router 110 so as to give the packet of the communication terminal 506 a header in the form of an IPv6 address included in the location field, as represented by the path information included in the identification information corresponding to the network slice 106 The node 311 and the server 316 in the communication path 336 as the destination. In this way, the network slice structure 346 in which MNs and DNs are connected at one time can be realized.

第5圖為表示N4伺服器400的功能構造一示例之示意圖。N4伺服器400具備有資訊取得部402、導入部404、傳輸控制部406、服務特定部408以及決定部410。N4伺服器400不一定必須具備上述所有功能。 FIG. 5 is a schematic diagram showing an example of the functional structure of the N4 server 400 . The N4 server 400 includes an information obtaining unit 402 , an importing unit 404 , a transmission control unit 406 , a service specifying unit 408 , and a determining unit 410 . The N4 server 400 does not necessarily have to have all the above-mentioned functions.

資訊取得部402取得各種資訊。資訊取得部402取得關於通信終端500的相關資訊,該通信終端500作為實現一次性貫通行動網路及IP網路的網路切片構造的對象。 The information acquisition unit 402 acquires various information. The information acquisition unit 402 acquires relevant information on the communication terminal 500 that is the object of realizing the network slice structure that penetrates the mobile network and the IP network at one time.

資訊取得部402,例如取得通信終端500的終端識別資訊。資訊取得部402,例如取得由通信終端500所發送的終端識別資訊。資訊取得部402,例如從UPF 120或SMF 140接收通信終端500的終端識別資訊。 The information acquisition unit 402 acquires terminal identification information of the communication terminal 500, for example. The information obtaining unit 402 obtains, for example, terminal identification information transmitted from the communication terminal 500 . The information acquisition unit 402 receives terminal identification information of the communication terminal 500 from the UPF 120 or the SMF 140, for example.

資訊取得部402,例如取得通信終端500所在的無線基站210的基站識別資訊。資訊取得部402,例如從通信終端500所在的無線基站210取得基站資訊。資訊取得部402,例如從UPF 120或SMF 140接收無線基站210的基站識別資訊。 The information obtaining unit 402 obtains, for example, base station identification information of the wireless base station 210 where the communication terminal 500 is located. The information obtaining unit 402 obtains base station information from, for example, the wireless base station 210 where the communication terminal 500 is located. The information obtaining unit 402 receives, for example, the base station identification information of the wireless base station 210 from the UPF 120 or the SMF 140 .

資訊取得部402,取得與通信終端500相關連的切片的切片識別資訊。資訊取得部402,以取得對應於與通信終端500相關連的S-NSSAI的網路實例作為片識別資訊。資訊取得部402,從例如UPF 120接收該網路實例。 The information obtaining unit 402 obtains slice identification information of a slice associated with the communication terminal 500 . The information obtaining unit 402 obtains the network instance corresponding to the S-NSSAI associated with the communication terminal 500 as the chip identification information. The information obtaining unit 402 receives the network instance from the UPF 120, for example.

資訊取得部402,例如取得與通信終端500的切片識別資訊對應的 IP網路中的路徑資訊。例如,資訊取得部402,取得與通信終端500的用戶所希望的服務相對應的路徑資訊。資訊取得部402,取得例如由管理核心網路100的通信運營商所設定的路徑資訊。 The information obtaining unit 402 obtains, for example, the slice identification information corresponding to the communication terminal 500 Path information in an IP network. For example, information acquisition unit 402 acquires route information corresponding to a service desired by the user of communication terminal 500 . The information obtaining unit 402 obtains, for example, route information set by a communication carrier that manages the core network 100 .

導入部404可以在N4伺服器400中生成與通信終端500的切片識別資訊對應的VRF。例如,導入部404生成與通信終端500的切片識別資訊對應的VRF實例。導入部404將資訊取得部402取得的資訊導入到與通信終端500的切片識別資訊對應的VRF的路由表。作為與切片識別資訊對應的路由表,導入部404可以將資訊取得部402取得的資訊導入到與SRv6資訊相關聯的VRF的路由表中。導入部404可以導入與通信終端500對應的片識別資訊、終端識別資訊和所在的無線基站210的基站識別資訊。導入部404可以導入與通信終端500的切片識別資訊對應的路徑資訊。 The import unit 404 can generate a VRF corresponding to the slice identification information of the communication terminal 500 in the N4 server 400 . For example, the importing unit 404 generates a VRF instance corresponding to the slice identification information of the communication terminal 500 . The importing unit 404 imports the information acquired by the information acquiring unit 402 into the routing table of the VRF corresponding to the slice identification information of the communication terminal 500 . As a routing table corresponding to the slice identification information, the importing unit 404 may import the information obtained by the information obtaining unit 402 into the routing table of the VRF associated with the SRv6 information. The importing unit 404 can import chip identification information corresponding to the communication terminal 500, terminal identification information, and base station identification information of the wireless base station 210 where it is located. The importing unit 404 may import route information corresponding to the slice identification information of the communication terminal 500 .

傳輸控制部406可以經由N4伺服器400的VRF,將與通信終端500的切片識別資訊對應的SRv6資訊相關聯的通信終端500的路徑資訊通告給路由器110,並將通信終端500的路徑資訊導入到路由器110的VRF的路由表中。傳輸控制部406可以使用路由目標(root target),控制導入對象的VRF。 The transmission control unit 406 can notify the router 110 of the route information of the communication terminal 500 associated with the SRv6 information corresponding to the slice identification information of the communication terminal 500 via the VRF of the N4 server 400, and import the route information of the communication terminal 500 to the router 110. In the routing table of the VRF of router 110. The transfer control unit 406 can use a routing target (root target) to control the VRF to be imported.

與通信終端500的切片識別資訊對應的通信終端500之路徑資訊的SRv6資訊可以是SID(Segment ID)。與通信終端500的切片識別資訊對應之表示通信終端500的路徑資訊的SRv6資訊的SID,例如可以利用SID的Locator來識別Flex-Algo生成的切片。 The SRv6 information of the path information of the communication terminal 500 corresponding to the slice identification information of the communication terminal 500 may be SID (Segment ID). The SID of the SRv6 information representing the path information of the communication terminal 500 corresponding to the slice identification information of the communication terminal 500 can use the Locator of the SID to identify the slice generated by Flex-Algo, for example.

與通信終端500的切片識別資訊對應的通信終端500的路徑資訊的SRv6資訊,可以根據BGP顏色屬性,間接地識別Flex-Algo或其他切片技術生成的切片。 The SRv6 information of the path information of the communication terminal 500 corresponding to the slice identification information of the communication terminal 500 can indirectly identify slices generated by Flex-Algo or other slicing techniques according to the BGP color attribute.

傳輸控制部406係控制路由器110中的通信終端500的封包的傳輸。例如,傳輸控制部406在路由器110中進行控制,使得利用段路由並根據與 通信終端500的切片識別資訊對應的路徑資訊來傳輸通信終端500的封包。 The transmission control unit 406 controls the transmission of the packet of the communication terminal 500 in the router 110 . For example, the transmission control unit 406 controls the router 110 so that segment routing is used and based on the The path information corresponding to the slice identification information of the communication terminal 500 is used to transmit the packet of the communication terminal 500 .

傳輸控制部406可以在路由器110中進行控制,使得利用SRv6並根據路徑資訊來傳送通信終端500的封包。傳輸控制部406例如特定對應於根據與切片識別資訊對應的路徑資訊的複數個目的地的複數個SID(Segment ID)。該複數個SID的各定位域分別表示該複數個目的地與該切片識別資訊對應的各路徑。然後,傳輸控制部406進行控制,使得於路由器110中將具有包含根據路徑的順序設定了該複數個SID的Segment list的SRH(Segment Rounting Header)的IPv6形式的報頭賦予給通信終端500的封包。由此,通信終端500的封包可以按照在Segment list中註冊的順序,亦即按照路徑資訊的路由順序來傳送。 The transmission control unit 406 can control the router 110 so that the packet of the communication terminal 500 is transmitted according to the path information using SRv6. The transfer control unit 406 specifies, for example, a plurality of SIDs (Segment IDs) corresponding to a plurality of destinations based on route information corresponding to slice identification information. Each location field of the plurality of SIDs respectively represents each path corresponding to the plurality of destinations and the slice identification information. Then, the transmission control unit 406 controls the router 110 to give the packet of the communication terminal 500 an IPv6-format header having an SRH (Segment Rounting Header) including the segment list in which the plurality of SIDs are set in the order of the path. Thus, the packets of the communication terminal 500 can be transmitted according to the sequence registered in the segment list, that is, according to the routing sequence of the path information.

服務特定部408特定通信終端500的用戶所希望的服務。例如,通信終端500的用戶透過核心網路100的NEF將所希望的服務的資訊發送到核心網路100內,服務特定部408利用接收該資訊來特定服務。 Service specifying unit 408 specifies a service desired by the user of communication terminal 500 . For example, the user of the communication terminal 500 transmits the information of the desired service to the core network 100 through the NEF of the core network 100, and the service specifying unit 408 specifies the service by receiving the information.

決定部410可以基於服務特定部408所特定的服務,來決定行動網路中的切片。決定部410例如利用選擇適合於服務特定部408所特定的服務的UPF 120、選擇AMF 130、選擇SMF 140、選擇數據大小、選擇利用頻帶等來決定切片。 The determining unit 410 can determine a slice in the mobile network based on the service specified by the service specifying unit 408 . The determining unit 410 determines a slice by, for example, selecting the UPF 120 suitable for the service specified by the service specifying unit 408 , selecting the AMF 130 , selecting the SMF 140 , selecting the data size, selecting the used frequency band, and the like.

決定部410可以基於服務特定部408所特定的服務,決定與通信終端500的切片識別資訊對應的IP網路中的路徑資訊。決定部410例如決定指示包含執行提供所特定之服務的應用程式的伺服器作為最終目的地的路徑的路徑資訊。 The determining unit 410 may determine path information in the IP network corresponding to the slice identification information of the communication terminal 500 based on the service specified by the service specifying unit 408 . The determination unit 410 determines, for example, route information indicating a route including a server executing an application program providing a specified service as a final destination.

決定部410,例如在所特定的服務需要高速通信的情況下,決定表示用於實現高速通信的路徑的路徑資訊。另外,決定部410例如在所特定的服務需要低延遲的情況下,決定表示用於實現低延遲的路徑的路徑資訊。另外,決定部410例如在所特定的服務需要大容量的情況下,決定表示用於實現大容量 的路徑的路徑資訊。 The determination unit 410 determines route information indicating a route for realizing high-speed communication, for example, when the specified service requires high-speed communication. Also, for example, when the specified service requires low delay, the determination unit 410 determines route information indicating a route for achieving low delay. In addition, for example, when the specified service requires a large capacity, the determination unit 410 determines the Path information for the path of .

決定部410也可以基於運營商的策略,決定行動網路中的切片和IP網路中的路徑資訊。決定部410可以參照預先註冊的運營商的策略,決定行動網路中的切片和IP網路中的路徑資訊。作為運營商的策略,對於通信終端500的種類、通信終端500的規格、通信終端500的用戶所希望的服務、核心網路100的狀況、AN 200的狀況、以及DN 300的狀況的至少任一方或者至少任一方的組合,能夠註冊適當的切片以及路徑的資訊等。另外,此等只是一個示例,運營商的策略可以為任何的資訊,只要能夠決定切片和路徑的資訊即可。決定部410例如以與成為對象的通信終端500相關的資訊或與網路相關的資訊為基礎,並參考運營商的策略來決定切片及路徑資訊。 The determining unit 410 may also determine slices in the mobile network and path information in the IP network based on the operator's policy. The determination unit 410 may determine slices in the mobile network and route information in the IP network by referring to pre-registered operator policies. As a carrier's policy, at least any one of the type of communication terminal 500, the specification of communication terminal 500, the service desired by the user of communication terminal 500, the status of core network 100, the status of AN 200, and the status of DN 300 Or at least a combination of any of them can register appropriate slice and route information, and the like. In addition, this is just an example, and the operator's policy can be any information, as long as it can determine slices and paths. The determination unit 410 determines the slice and route information based on, for example, information related to the target communication terminal 500 or information related to the network, referring to the operator's policy.

資訊取得部402可以取得由決定部410所決定的切片的切片識別資訊。另外,資訊取得部402可以取得由決定部410所決定的路徑資訊。 The information acquiring unit 402 can acquire slice identification information of the slice determined by the determining unit 410 . In addition, the information acquiring unit 402 can acquire the route information determined by the determining unit 410 .

導入部404可以在路由器110中生成與通信終端500的切片識別資訊對應的VRF。例如,導入部404在路由器110中生成與通信終端500的切片識別資訊對應的VRF實例。導入部404將資訊取得部402所取得的資訊導入到路由器110中與通信終端500的切片識別資訊對應的路由表中。作為與切片識別資訊對應的路由表,導入部404可以將資訊取得部402所取得的資訊導入到與SRv6資訊相關聯的VRF的路由表中。導入部404可以使用路由目標,來控制導入對象的VRF。導入部404可以導入與通信終端500對應的切片識別資訊、終端識別資訊和所在的無線基站210的基站識別資訊。導入部404可以導入與通信終端500的切片識別資訊對應的路徑資訊。 The import unit 404 can generate a VRF corresponding to the slice identification information of the communication terminal 500 in the router 110 . For example, the import unit 404 generates a VRF instance corresponding to the slice identification information of the communication terminal 500 in the router 110 . The importing unit 404 imports the information obtained by the information obtaining unit 402 into the routing table corresponding to the slice identification information of the communication terminal 500 in the router 110 . As a routing table corresponding to the slice identification information, the importing unit 404 may import the information obtained by the information obtaining unit 402 into the routing table of the VRF associated with the SRv6 information. The import unit 404 can control the import target VRF using the route destination. The importing unit 404 may import slice identification information corresponding to the communication terminal 500, terminal identification information, and base station identification information of the wireless base station 210 where it is located. The importing unit 404 may import route information corresponding to the slice identification information of the communication terminal 500 .

N4伺服器400可以是通信系統的一個示例。N4伺服器400以及路由器110也可以構成通信系統。通信系統可以包含UPF 120。通信系統可以包含AMF 130。 The N4 server 400 may be an example of a communication system. The N4 server 400 and the router 110 may also constitute a communication system. The communication system may include UPF 120 . The communication system may include AMF 130 .

在上述實施例中,主要以系統10具備有N4伺服器400的情況為例子進行說明,但不限於此。例如,UPF 120可以為具備有N4伺服器400的功能。在這種情況下,UPF 120可以為通信系統。另外,例如SMF 140也可以具備有N4伺服器400的功能。於此種情況下,SMF 140可以是通信系統。 In the above-mentioned embodiment, the case where the system 10 is equipped with the N4 server 400 is mainly used as an example for description, but it is not limited thereto. For example, the UPF 120 may have the function of the N4 server 400 . In this case, UPF 120 may be a communication system. In addition, for example, the SMF 140 may also have the function of the N4 server 400 . In this case, SMF 140 may be a communication system.

第6圖為表示作為N4伺服器400、UPF 120、或者SMF 140而發揮作用的電腦1200的硬體構造一例之示意圖。安裝在電腦1200上的程式可以使電腦1200充當根據本實施例的裝置之一個或複數個「部」,或者可使電腦1200執行與根據本實施例的裝置相關聯的操作或該一個或複數個「部」,和/或可使電腦1200執行根據本實施例的過程或該過程的階段。這樣的程式可以由CPU 1212執行,以使電腦1200執行與本說明書所述的流程圖和/或方塊圖的方塊中的一些或全部相關聯的特定操作。 FIG. 6 is a schematic diagram showing an example of the hardware structure of a computer 1200 functioning as the N4 server 400 , the UPF 120 , or the SMF 140 . The program installed on the computer 1200 can cause the computer 1200 to act as one or more "parts" of the device according to this embodiment, or can cause the computer 1200 to perform operations associated with the device according to this embodiment or one or more "parts" of the device according to this embodiment. "part", and/or can cause the computer 1200 to execute the process or the stage of the process according to the present embodiment. Such programs may be executed by the CPU 1212 to cause the computer 1200 to perform specific operations associated with some or all of the blocks in the flowcharts and/or block diagrams described in this specification.

根據本實施例的電腦1200包含有CPU 1212、RAM 1214以及圖形控制器1216,此等透過主控制器1210相互連接。電腦1200還包括輸入/輸出單元,例如通信介面1222、記憶裝置1224、DVD驅動器和IC卡驅動器,此等係透過輸入/輸出控制器1220連接到主控制器1210。DVD驅動器可以是DVD-ROM驅動器以及DVD-RAM驅動器等。記憶裝置1224可以是硬式磁碟驅動器和固態驅動器等。電腦1200還包括傳統輸入/輸出單元,例如ROM 1230和鍵盤,此等係透過輸入/輸出晶片1240連接到輸入/輸出控制器1220。 The computer 1200 according to this embodiment includes a CPU 1212 , a RAM 1214 and a graphics controller 1216 , which are connected to each other through a main controller 1210 . The computer 1200 also includes input/output units such as a communication interface 1222 , a memory device 1224 , a DVD drive and an IC card driver, which are connected to the main controller 1210 through the input/output controller 1220 . The DVD drive may be a DVD-ROM drive as well as a DVD-RAM drive and the like. The memory device 1224 may be a hard disk drive, a solid state drive, and the like. Computer 1200 also includes conventional I/O units, such as ROM 1230 and keyboard, which are connected to I/O controller 1220 through I/O chip 1240 .

CPU 1212根據儲存在ROM 1230和RAM 1214內的程式進行動作,從而控制各單元。圖形控制器1216在RAM 1214中所提供的幀緩衝器等中或其自身中取得由CPU 1212所生成的圖像數據,以使圖像數據顯示在顯示裝置1218上。 The CPU 1212 operates according to programs stored in the ROM 1230 and the RAM 1214 to control each unit. The graphics controller 1216 acquires the image data generated by the CPU 1212 in a frame buffer or the like provided in the RAM 1214 or in itself to cause the image data to be displayed on the display device 1218 .

通信介面1222透過網路與其他電子裝置進行通信。記憶裝置1224儲存由電腦1200內的CPU 1212所使用的程式及數據。DVD驅動器從DVD-ROM 等讀取程式或數據,並提供給記憶裝置1224。IC卡驅動器從IC卡讀取程式和數據,和/或將程式和數據寫入到IC卡。 The communication interface 1222 communicates with other electronic devices through the network. The memory device 1224 stores programs and data used by the CPU 1212 in the computer 1200 . DVD drive from DVD-ROM etc. to read programs or data and provide them to the memory device 1224 . The IC card driver reads programs and data from and/or writes programs and data to the IC card.

ROM 1230在其中儲存諸如在啟動時由電腦1200執行的開機程式(boot program)等和/或依賴於電腦1200的硬體的程式。輸入/輸出晶片1240還可以透過USB埠、平行埠、串列埠、鍵盤埠、滑鼠埠等將各種輸入輸出單元連接到輸入/輸出控制器1220。 The ROM 1230 stores therein such as a boot program executed by the computer 1200 at startup and/or programs depending on the hardware of the computer 1200 . The I/O chip 1240 can also connect various I/O units to the I/O controller 1220 through a USB port, a parallel port, a serial port, a keyboard port, a mouse port, and the like.

可以利用電腦可讀記憶媒體提供程式,例如DVD-ROM或IC卡。程式可以從電腦可讀記憶媒體讀取,並安裝在作為電腦可讀記憶媒體之示例之記憶裝置1224、RAM 1214或ROM 1230上,並由CPU 1212來執行。在此等程式中所述的資訊處理係由電腦1200來讀取,並提供程式和與上述各種類型的硬體資源之間的連接。一種裝置或方法可以被構成根據電腦1200的使用來實現資訊的操作或處理。 The program can be provided using a computer readable memory medium such as DVD-ROM or IC card. The program can be read from a computer-readable storage medium, installed in the memory device 1224 , RAM 1214 , or ROM 1230 as examples of the computer-readable storage medium, and executed by the CPU 1212 . The information processing described in these programs is read by the computer 1200 and provides the programs and connections with the various types of hardware resources mentioned above. An apparatus or method may be configured to perform operations or processing of information according to the use of the computer 1200 .

例如,當在電腦1200和外部裝置之間執行通信時,CPU 1212可以執行加載到RAM 1214中的通信程式,並基於在通信程式中所述的處理,對通信介面1222命令通信處理。通信介面1222在CPU 1212的控制下,讀取儲存在RAM 1214、記憶裝置1224、DVD-ROM或IC卡那樣的記錄媒體內所提供的傳送緩衝區域中的傳送數據,並將讀取到的傳送數據發送到網路,或者將從網路接收到的接收數據寫入到記錄媒體上所提供的接收緩衝區域等。 For example, when performing communication between the computer 1200 and an external device, the CPU 1212 may execute a communication program loaded into the RAM 1214, and command communication processing to the communication interface 1222 based on the processing described in the communication program. Under the control of the CPU 1212, the communication interface 1222 reads the transmission data stored in the transmission buffer area provided in the recording medium such as the RAM 1214, the memory device 1224, DVD-ROM, or an IC card, and transmits the read data. Data is sent to the network, or reception data received from the network is written into a reception buffer area provided on the recording medium, etc.

CPU 1212還可以使RAM 1214讀取記憶裝置1224、DVD驅動器(DVD-ROM)、IC卡等那樣的外部記錄媒體中所儲存的檔案或資料庫的全部或必要的部分,對RAM 1214上的數據執行各種類型的處理。然後,CPU 1212可以將處理過的數據寫回到外部記錄媒體。 The CPU 1212 can also make the RAM 1214 read all or a necessary part of the files or databases stored in external recording media such as the memory device 1224, DVD drive (DVD-ROM), IC card, etc., and the data on the RAM 1214 Perform various types of processing. Then, the CPU 1212 can write the processed data back to the external recording medium.

各種型式的程式、數據、表格和資料庫的各種類型的資訊可以儲存在記憶媒體中並進行資訊處理。CPU 1212對從RAM 1214讀取到的數據都記載 於本公開的各部分,包含由程式的指令序列所指定的各類型的操作、資訊處理、條件判斷、條件分支、無條件分支、資訊檢索/替換等。可以執行各種類型的操作,並將結果寫回RAM 1214。另外,CPU 1212可以檢索記錄媒體內的檔案、資料庫等的資訊。例如,在記錄媒體內儲存了各自具有與第2屬性的屬性值相關聯的第1屬性的屬性值的複數個條目的情況下,CPU 1212可以從該複數個條目中檢索與第1屬性的屬性值被指定的條件一致的條目,並讀取該條目內所儲存的第2屬性的屬性值,從而取得與滿足預先設定的條件的第1屬性相關聯的第2屬性的屬性值。 Various types of information such as various types of programs, data, tables, and databases can be stored in memory media and information processed. CPU 1212 records all the data read from RAM 1214 Each part of the present disclosure includes various types of operations, information processing, conditional judgment, conditional branch, unconditional branch, information retrieval/replacement, etc. specified by the instruction sequence of the program. Various types of operations can be performed and the results written back to RAM 1214 . In addition, the CPU 1212 can search information on files, databases, etc. in the recording medium. For example, in the case where a plurality of entries each having an attribute value of the first attribute associated with an attribute value of the second attribute are stored in the recording medium, the CPU 1212 may retrieve the attribute value associated with the first attribute from the plurality of entries. The entry whose value matches the specified condition reads the attribute value of the second attribute stored in the entry to obtain the attribute value of the second attribute associated with the first attribute that satisfies the predetermined condition.

上述說明過的程式或軟體模組可以儲存在電腦1200上或電腦1200附近的電腦可讀記憶媒體中。此外,在連接到專用通信網路或網際網路的伺服器系統內所提供的硬磁碟或RAM之類的記錄媒體可以作為電腦可讀存記憶媒體來使用,從而透過網路向電腦1200提供程式。 The programs or software modules described above can be stored in a computer-readable storage medium on the computer 1200 or near the computer 1200 . In addition, a recording medium such as a hard disk or RAM provided in a server system connected to a dedicated communication network or the Internet can be used as a computer-readable storage medium to provide the program to the computer 1200 through the network. .

本實施例的流程圖及方塊圖中的方塊可以表示執行操作的程序的階段或具有執行操作的作用的裝置的「部」。特定的階段及「部」可以利用專用電路、由儲存在電腦可讀存記憶媒體上的電腦可讀指令所提供的可程式化電路和/或由儲存在電腦可讀存記憶媒體上的電腦可讀指令所提供的處理器來實現。專用電路可以包含數位和/或類比硬體電路,並且可以包含有積體電路(IC)和/或分立電路(discrete circuit)。可程式化電路可以包含可重新配置的硬體電路,其包括有邏輯積(AND)、邏輯和(OR)、異或(Exclusive OR)、負邏輯積(Negative AND)、負邏輯和(NOR)與其它邏輯運算,正反器(flip flop)、暫存器和記憶元件,例如現場可程式化邏輯閘陣列(FPGA)、可程式化邏輯陣列(PLA)等。 Blocks in the flowcharts and block diagrams of this embodiment may represent stages of programs that perform operations or "parts" of devices that perform operations. Specific stages and "parts" may utilize dedicated circuits, programmable circuits provided by computer readable instructions stored on a computer readable memory medium and/or programmed by computer readable instructions stored on a computer readable memory medium. read instructions provided by the processor to implement. Application specific circuits may include digital and/or analog hardware circuits, and may include integrated circuits (ICs) and/or discrete circuits. Programmable circuits can include reconfigurable hardware circuits, including logical product (AND), logical sum (OR), exclusive OR (Exclusive OR), negative logical product (Negative AND), negative logical sum (NOR) And other logic operations, flip flops, registers and memory elements, such as Field Programmable Logic Gate Array (FPGA), Programmable Logic Array (PLA), etc.

電腦可讀記憶媒體可以包含能夠儲存由適當的裝置所執行的指令之任何有形的裝置,結果,具有儲存在其中的指令的電腦可讀記憶媒體將具 備有包含指令的產品,該指令可被執行以創建用於執行流程圖或方塊圖中所指定的操作的裝置。電腦可讀記憶媒體的示例,可包含:電子記憶媒體、磁性記憶媒體、光記憶媒體、電磁記憶媒體、半導體記憶媒體等。電腦可讀記憶媒體的更具體示例,包含有:軟性(Floppy:註冊商標)磁碟、軟磁碟(diskette)、硬式磁碟、隨機存取記憶體(RAM)、唯讀記憶體(ROM)、可抹除式可程式化唯讀記憶體(EPROM或閃存)、電子抹除式可程式化唯讀記憶體(EEPROM)、靜態隨機存取記憶體(SRAM)、光碟唯讀記憶體(CD-ROM)、數位通用光碟(DVD)、藍光(Blu-ray:註冊商標)光碟、記憶棒(Memory stick)、積體電路卡等。 A computer-readable memory medium may include any tangible device capable of storing instructions for execution by a suitable device, so that a computer-readable memory medium having instructions stored thereon will have Products are available that contain instructions that can be executed to create a means for performing the operations specified in the flowchart or block diagrams. Examples of computer-readable storage media may include: electronic storage media, magnetic storage media, optical storage media, electromagnetic storage media, semiconductor storage media, and the like. More specific examples of computer-readable storage media include: floppy (Floppy: registered trademark) disks, floppy disks (diskette), hard disks, random access memory (RAM), read-only memory (ROM), Erasable programmable read-only memory (EPROM or flash memory), electronically erasable programmable read-only memory (EEPROM), static random access memory (SRAM), compact disc read-only memory (CD- ROM), digital versatile disc (DVD), Blu-ray (Blu-ray: registered trademark) disc, memory stick (Memory stick), integrated circuit card, etc.

電腦可讀指令可以包括以一種或複數種程式化語言(包括組合指令、指令集體系結構(ISA)指令、機器指令、機器相關指令、微碼、固件指令、狀態配置數據或面向對象程式化語言(object-oriented programming language),例如Smalltalk(註冊商標)、JAVA(註冊商標)、C++等以及傳統的程序化程式語言例如「C」程式語言或相似的程式語言)的任意組合來編寫的源代碼(source code)或目標代碼(object code)。 Computer readable instructions may include instructions written in one or more programming languages, including assembly instructions, instruction set architecture (ISA) instructions, machine instructions, machine-dependent instructions, microcode, firmware instructions, state configuration data, or object-oriented programming languages (object-oriented programming language), such as Smalltalk (registered trademark), JAVA (registered trademark), C++, etc., and any combination of traditional programming languages such as "C" programming language or similar programming language) to write the source code (source code) or object code (object code).

電腦可讀指令使通用電腦、專用的電腦或其他可程式化之數據處理裝置的處理器或者可程式化電路執行該電腦可讀指令,以便產生一種裝置來執行流程圖或方塊圖中所指定的操作,且可以在本地或透過諸如區域網路(LAN)、網際網路等之類的廣域網(WAN)提供給通用電腦、專用的電腦或其他可程式化數據處理裝置的處理器或可程式化電路。處理器的示例包含有電腦處理器、處理單元、微處理器、數位信號處理器、控制器、微控制器等。 Computer-readable instructions cause a processor or a programmable circuit of a general-purpose computer, a special-purpose computer, or other programmable data processing device to execute the computer-readable instructions, so as to produce a device to execute the specified in the flowchart or block diagram operation, and can be provided locally or through a wide area network (WAN) such as a local area network (LAN), the Internet, etc., to a processor or programmable circuit. Examples of processors include computer processors, processing units, microprocessors, digital signal processors, controllers, microcontrollers, and the like.

以上,使用了實施例說明了本發明,但本發明的技術範圍並不限定於上述實施例記載的範圍。對於該業者來說,顯然地可以對上述實施例進行多種變更或者改良。從專利申請範圍的記載中可以明顯看出,施加了這樣的變更或者改良的形態也可以包含在本發明的技術範圍內。 As mentioned above, although this invention was demonstrated using an Example, the technical scope of this invention is not limited to the range described in the said Example. It is obvious to those skilled in the art that various changes or improvements can be made to the above-mentioned embodiments. It is clear from the description of the claims that such changes and improvements are also included in the technical scope of the present invention.

在專利請求的範圍、說明書以及附圖中所表示的裝置、系統、程式以及方法中的動作、順序、步驟以及階段等各處理的執行順序,並沒有特別明示「在...之前」、「在...之前」等。另外,應該注意,只要不是在後面的處理中使用前面的處理的輸出,就可以以任意的順序實現。關於專利請求的範圍、說明書以及附圖中的動作流程,即使為了方便使用「首先」、「其次」等進行說明,也不意味著必須按照這個順序實施。 In the scope of the patent claims, the execution sequence of the actions, sequences, steps, and stages in the devices, systems, programs, and methods shown in the specification and drawings, there is no specific express "before", "before" Before" etc. In addition, it should be noted that as long as the output of the previous processing is not used in the subsequent processing, it can be realized in any order. Regarding the scope of the patent claims, the operation flow in the specification and drawings, even if the description is described using "first" and "next" for convenience, it does not mean that it must be implemented in this order.

102、104、106:網路切片 102, 104, 106: Network slicing

110:路由器 110: router

112、114、116:VRF 112, 114, 116: VRF

200:AN 200:AN

311:節點 311: node

312、314、316:伺服器 312, 314, 316: server

502、504、506:通信終端 502, 504, 506: communication terminals

Claims (10)

一種通信系統,具備有:一資訊取得部,用以取得:於行動網路中與通信終端相關聯之切片(slice)識別資訊;該通信終端的終端識別資訊;該通信終端所在基站(base station)的基站識別資訊;及IP網路中的路徑資訊,一導入部,將該資訊取得部取得的資訊導入到在該行動網路和IP網路之間進行中繼的路由器中與該切片識別資訊對應的路由表中;以及一傳輸控制部,在該路由器中利用段路由(Segment Routing)控制根據該路徑資訊來傳輸該通信終端的封包。 A communication system, comprising: an information obtaining unit, used to obtain: identification information of a slice (slice) associated with a communication terminal in a mobile network; terminal identification information of the communication terminal; a base station where the communication terminal is located ) base station identification information; and path information in the IP network, an importing part, importing the information obtained by the information obtaining part into the router that relays between the mobile network and the IP network and identifying the slice in a routing table corresponding to the information; and a transmission control unit, which utilizes segment routing (Segment Routing) control in the router to transmit the packet of the communication terminal according to the path information. 如請求項1之通信系統,其中該傳輸控制部在該路由器中,利用SRv6控制根據該路徑資訊來傳輸該通信終端的封包。 The communication system according to claim 1, wherein the transmission control unit uses SRv6 in the router to control the transmission of the packet of the communication terminal according to the path information. 如請求項2之通信系統,其中該傳輸控制部,在該路由器中,於該通信終端的封包中賦予包含複數個SID的段列表(segment list)的SRH的報頭(head),該複數個SID係根據與該切片識別資訊對應的該路徑資訊。 The communication system according to claim 2, wherein the transmission control unit, in the router, assigns a header (head) of SRH including a segment list (segment list) of a plurality of SIDs in the packet of the communication terminal, and the plurality of SIDs is based on the path information corresponding to the slice identification information. 如請求項1之通信系統,其中該導入部將該資訊取得部取得的資訊作為與該行動網路和網際網路進行中繼的該路由器中與該切片識別資訊對應的路由表,導入到與SRv6資訊相關聯的VRF的路由表中。 The communication system according to claim 1, wherein the importing part imports the information obtained by the information obtaining part into the routing table corresponding to the slice identification information in the router that relays with the mobile network and the Internet SRv6 information in the routing table of the associated VRF. 如請求項1之通信系統,其中該資訊取得部,取得對應於與該通信終端相關聯的S-NSSAI的網路實例作為切片識別資訊。 The communication system according to claim 1, wherein the information obtaining unit obtains a network instance corresponding to the S-NSSAI associated with the communication terminal as slice identification information. 如請求項1之通信系統,其中該資訊取得部取得與該通 信終端的用戶所期望的服務相對應的該路徑資訊。 The communication system of claim item 1, wherein the information acquisition unit obtains the The route information corresponding to the service desired by the user of the communication terminal. 如請求項1之通信系統,其中具備:特定該通信終端的用戶所希望的服務的服務特定部;及根據該服務特定部所特定的服務,來決定該行動網路中的切片和該IP網路中的路徑資訊的決定部,該資訊取得部係取得由該決定部所決定的切片的該切片識別資訊和該路徑資訊。 The communication system according to claim 1, wherein: a service specifying unit that specifies a service desired by the user of the communication terminal; and determining the slice in the mobile network and the IP network according to the service specified by the service specifying unit A determination unit of route information on the road, the information acquisition unit acquires the slice identification information and the route information of the slice determined by the determination unit. 如請求項1之通信系統,其中具備決定部,該決定部係根據運營商的策略來決定該行動網路中的切片和該IP網路中的路徑資訊;該資訊取得部係取得由該決定部所決定的切片的該切片識別資訊和該路徑資訊。 As in the communication system of claim 1, there is a determination unit, the determination unit determines the slice in the mobile network and the path information in the IP network according to the operator’s strategy; the information acquisition unit obtains the information obtained by the determination The slice identification information and the path information of the determined slice. 一種電腦可讀記憶媒體,係記憶有讓電腦執行請求項1至8中任一項的通信系統的程式。 A computer-readable memory medium storing a program for a communication system for a computer to execute any one of claim items 1 to 8. 一種通信控制方法係用電腦來執行,具備有:一資訊取得階段,用以取得:於行動網路中與通信終端相關聯之切片識別資訊;該通信終端的終端識別資訊;該通信終端所在基站的基站識別資訊;及IP網路中的路徑資訊,一導入階段,將於該資訊取得階段中取得的資訊導入到在該行動網路和IP網路之間進行中繼的路由器中與該切片識別資訊對應的路由表中;以及一傳輸控制階段,在該路由器中利用段路由控制根據該路徑資訊來傳輸該通信終端的封包。 A communication control method is executed by a computer, which includes: an information obtaining stage, used to obtain: slice identification information associated with a communication terminal in a mobile network; terminal identification information of the communication terminal; a base station where the communication terminal is located The base station identification information; and the path information in the IP network, an import stage, the information obtained in the information acquisition stage will be imported into the router that relays between the mobile network and the IP network and the slice In the routing table corresponding to the identification information; and a transmission control stage, using segment routing control in the router to transmit the packet of the communication terminal according to the path information.
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