WO2011100907A2 - Procédé de configuration de paramètre et dispositif d'élément de réseau - Google Patents

Procédé de configuration de paramètre et dispositif d'élément de réseau Download PDF

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Publication number
WO2011100907A2
WO2011100907A2 PCT/CN2011/072646 CN2011072646W WO2011100907A2 WO 2011100907 A2 WO2011100907 A2 WO 2011100907A2 CN 2011072646 W CN2011072646 W CN 2011072646W WO 2011100907 A2 WO2011100907 A2 WO 2011100907A2
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WO
WIPO (PCT)
Prior art keywords
network element
address
element device
additional information
network
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PCT/CN2011/072646
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English (en)
Chinese (zh)
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WO2011100907A3 (fr
Inventor
周伟
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华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2011/072646 priority Critical patent/WO2011100907A2/fr
Priority to CN2011800004223A priority patent/CN102171999A/zh
Publication of WO2011100907A2 publication Critical patent/WO2011100907A2/fr
Publication of WO2011100907A3 publication Critical patent/WO2011100907A3/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5092—Address allocation by self-assignment, e.g. picking addresses at random and testing if they are already in use

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a parameter configuration method and a network element device.
  • EPS Evolved Packet System
  • the core part of EPS mainly includes: MME (Mobility Management Entity), S-GW (Serving Gateway), P-GW (PDN Gateway, Packet Data Network Gateway) and so on.
  • MME Mobility Management Entity
  • S-GW Serving Gateway
  • P-GW Packet Data Network Gateway
  • the MME is responsible for control plane functions such as book user and session management, including NAS (None Access Stratum, non-access stratum) signaling and its security, selection of network elements such as S-GW and P-GW, tracking area list management, and Functions such as mobility management of the UE (User Equipment) in an idle state.
  • the S-GW is mainly responsible for data transmission, forwarding, and route switching of the UE user plane.
  • the P-GW is responsible for user address allocation, policy control, and enforcement of charging rules and lawful interception related functions.
  • IP Internet Protocol
  • DHCP Dynamic Host Configuration Protocol
  • the broadcast looks for a DHCP server. If a DHCP server is deployed in the network and has the capability of providing an IP address service, the DHCP server broadcasts its own IP address. After receiving the IP address of the DHCP server, the network element device requests the DHCP server to allocate an IP address; the DHCP server replies with an acknowledgment, which includes the IP address and additional information that the network element device can use, and the network element device obtains The IP addresses and additional information that can be used provide the basic ability to communicate with other network element devices.
  • the centralized DHCP server is used to provide the address information of the network element device, which is easy to cause a distribution bottleneck.
  • the DHCP server fails, the IP address allocation of the entire network will be invalid, which requires manual intervention by the operator. Summary of the invention
  • the embodiment of the invention provides a parameter configuration method and a network element device to reduce the dependency of the configuration IP address on the address allocation server.
  • the technical solution is as follows:
  • an embodiment of the present invention provides a method for parameter configuration, where the method includes:
  • the first network element device selects an IP address different from the IP address of the other network element device from the set of Internet Protocol IP addresses; or the first network element device randomly selects an IP address from the set of IP addresses, and It is detected that no address conflict occurs with the other network element device;
  • the first network element device configures the selected IP address as its own IP address
  • the other network element device uses the same version of the IP address as the first network element device.
  • the embodiment of the present invention provides a first network element device, where the first network element device includes: a selecting module, configured to select, from an internet protocol IP address set, an IP address different from another network element device. IP address, or randomly selecting an IP address from the set of IP addresses, and detecting that no address conflict occurs with the other network element device;
  • a selecting module configured to select, from an internet protocol IP address set, an IP address different from another network element device. IP address, or randomly selecting an IP address from the set of IP addresses, and detecting that no address conflict occurs with the other network element device;
  • a configuration module configured to configure the selected IP address as an IP address of the first network element device
  • the other network element device uses the same version of the IP address as the first network element device.
  • the first network element device selects an IP address by itself, and ensures that the IP address is different from the IP address of the other network element device, thereby configuring the IP address of the first network element device itself.
  • the automatic configuration of the IP address in the case of the addressless allocation server can be completed without interaction with the address distribution server, thereby reducing the dependency of the configuration IP address on the address allocation server.
  • Embodiment 1 is a flowchart of a method for parameter configuration provided by Embodiment 1 of the present invention
  • Embodiment 2 is a flowchart of a method for parameter configuration provided by Embodiment 2 of the present invention
  • Embodiment 3 is a flowchart of a method for parameter configuration provided by Embodiment 3 of the present invention.
  • Embodiment 4 is a flowchart of a method for parameter configuration provided by Embodiment 4 of the present invention.
  • FIG. 5 is a structural diagram of a first network element device according to Embodiment 5 of the present invention.
  • FIG. 6 is a structural diagram of another first network element device according to Embodiment 5 of the present invention. detailed description
  • the technical solution provided by the embodiments of the present invention can be applied to multiple networks, including but not limited to: EPS network, WiFi network (wireless local area network), WiMAX (Worldwide Interoperability for Microwave Access) network (wireless metropolitan area network) ), and many more.
  • EPS network wireless local area network
  • WiFi network wireless local area network
  • WiMAX Worldwide Interoperability for Microwave Access
  • wireless metropolitan area network wireless metropolitan area network
  • the network element device in the embodiment of the present invention is a device on the network side, including but not limited to: an EPS network, a WiFi network, and a network element device in a WiMAX network, such as: an eNodeB (evolved base station), an MME, an S-GW, and a P - GW, AP (Access Point), AR (Access Router), AGW (Access Gateway), BS (Base Station), ASN-GW (Access Service Network Gateway, The access service network gateway, the CSN (Connectivity Service Network), and the like are not specifically limited in this embodiment of the present invention.
  • the network element device may be a newly deployed network element device in the network, or may be a network element device that has been deployed but restarted in the network, or a network element device that is faulty in the network, and the like. No specific restrictions.
  • the IP addresses involved in the embodiments of the present invention include: an IPv4 address and an IPv6 address.
  • the IP address set of the embodiment of the present invention may be pre-configured by the operator according to the network plan, and may be configured on each network element device, or may be configured in a single device to facilitate query by each network element device. This is not specifically limited. If each of the network element devices stores the same set of IP addresses, each of the network element devices can locally query the set of IP addresses to obtain an IP address. If it is configured in a separate device, the device is different from the DHCP server in that it only provides the function of storing the IP address set for each network element device to query, and does not have the function of assigning an IP address and related processing.
  • the configuration of the IP address set may be performed by the network management system, such as an OAM (Operation Administration and Maintenance) system, which is not specifically limited in this embodiment of the present invention.
  • the IP address set of the embodiment of the present invention generally includes multiple IP addresses, for example, 200 IP addresses or 300 IP addresses, etc., and the network element device can learn the IP address set, and thus is used to select an IP address.
  • the IP address set in the embodiment of the present invention may be stored in a plurality of forms, such as a database or a mapping relationship table, and the like, which is not specifically limited in the embodiment of the present invention.
  • the address additional information related to the embodiment of the present invention refers to other information (except the IP address) required for configuring the network element device, including but not limited to: DNS (Domain Name System) server information, gateway address information, and NTP ( Network Time Protocol (Network Time Protocol), server information, SIP (Session Initiation Protocol) server information, MIP (Mobile Internet Protocol) information, and the like are not specifically limited in this embodiment of the present invention.
  • DNS Domain Name System
  • gateway address information gateway address information
  • NTP Network Time Protocol (Network Time Protocol)
  • SIP Session Initiation Protocol
  • MIP Mobile Internet Protocol
  • this embodiment provides a method for parameter configuration, including:
  • the first network element device selects an IP address different from an IP address of another network element device from the set of IP addresses; Or the first network element device randomly selects an IP address from the set of IP addresses, and detects that no address conflict occurs with other network element devices;
  • the first network element device configures the selected IP address as its own IP address.
  • the other network element device uses the same version of the IP address as the first network element device.
  • the foregoing method may further include:
  • the first network element device obtains address additional information from other network element devices of the same type, and configures the obtained address additional information as its own address additional information.
  • the set of IP addresses is stored on the first network element device or stored on other devices.
  • the first network element device selects an IP address by itself, and ensures that the IP address is different from the IP address of the other network element device to configure the IP address of the first network element device, thereby implementing no address.
  • the automatic configuration of the IP address can be completed without interaction with the address allocation server, thereby reducing the dependency of the configuration IP address on the address allocation server.
  • this embodiment provides a parameter configuration method, which first obtains an IP address of another network element device and then selects an IP address for self-configuration, including:
  • the first network element device broadcasts a neighbor request message (Neighbour Solicitation) in the network, and requests an IP address of another network element device of the same version.
  • a neighbor request message Neighbour Solicitation
  • the first network element device may be a newly deployed network element device in the network, or may be a network element device that has been deployed but restarted in the network, or a network element device that is faulty in the network, and the like.
  • the first network element device may initiate the foregoing request when it is first started, or restarted or restarted after the fault is recovered, which is not specifically limited in this embodiment of the present invention.
  • the same version of the network element device means that the first network element device and the requested network element device use the same version of the IP address, for example, all use an IPv4 address, or both use an IPv6 address.
  • the first network element device requests the IP addresses of other network devices of the same version, and refers to the IP addresses of all network element devices having the same version in the same network. For example, if the first network element device uses an IPv6 address, it requests the IP addresses of all other IPv6 network element devices in the same network segment.
  • the first network element device may set the target address (Target Address) option to be empty in the neighbor request message, indicating that the IP address of the other network device of the same version is requested.
  • Target Address Target Address
  • the network element device of the same version of the network replies to the neighboring advertisement message (Neighbour Advertisement) to the first network element device, where the other network element device of the same version is carried. IP address.
  • the neighboring request message is a broadcast message. Therefore, other network devices of the same version in the network where the first network element device is located are received, and the neighbor advertisement message is returned to the first network element device and carries its own IP address.
  • the first network element device After receiving the neighbor advertisement message, the first network element device obtains an IP address of another network element device of the same version, and selects, from the locally stored IP address set, each network element device of the same version. If the first network element device does not store the IP address set, the first network element device queries the device that stores the IP address set, and selects the IP address from the IP address. An IP address different from each other NE device of the same version is configured as its own IP address.
  • the IP address set may be updated as needed, for example, initially configured as an IP address set containing 100 IP addresses.
  • the IP address set is updated to a set of IP addresses containing 300 IP addresses, and so on.
  • the first network element device broadcasts an additional parameter request message carrying a device type in the network, and requests address additional information of other network element devices of the same type.
  • the address additional information requested by the first network element device may be other parameter information (excluding the IP address) required for configuring the first network element device.
  • the address additional information may be a parameter, or a plurality of parameters, including but not limited to: DNS server information, gateway address information, NTP server information, SIP server information, MIP information, etc. Make specific limits.
  • the following parameter may be carried in the additional parameter request message to request the above address additional information: OPT_DNS, OPT_GW, OPT_NTP, OPT_SIP, OPT_MIP.
  • the first network element device only requests DNS server information, it can carry only OPT_DNS. If the first network element device needs to obtain as much address additional information as possible, the OPT_ALL parameter may be carried to request all the address additional information.
  • the additional parameter request message carries the type of the first network element device. For example, if the first network element device is a newly deployed MME in the network, the device type is MME. If the first network element device is fault recovery.
  • the eNodeB carries the device type eNodeB. Specifically, the first network element device Nod e _Type node type in the option request message, additional parameters, the type of the first network element carrying device.
  • the other network element device After receiving the additional parameter request message, the other network element device determines whether it is the same as the first network element device type according to the device type, and if yes, responds to the additional parameter response message (Additional Parameter Response) to the first network element.
  • the device carries the address additional information of the other network element device, specifically the address additional information requested by the first network element device.
  • the first network element device After receiving the additional parameter response message, the first network element device obtains address additional information of the other network element device of the same type, and configures the address additional information as its own address additional information, thereby completing the first network. Metadevice Configuration.
  • the first network element device selects an IP address by itself, and ensures that the IP address is different from the IP address of the other network element device to configure the IP address of the first network element device, thereby implementing no address.
  • the server is allocated, the automatic configuration of the IP address can be completed without interaction with the address allocation server, thereby reducing the dependency of the parameter configuration on the address allocation server, and is not limited by the address allocation server failure, thereby avoiding the distribution bottleneck, whether it is a network.
  • No manual intervention by the operator is required for the deployment, restart, or fault recovery of the device. This ensures the configuration process of the NE device and avoids network interruption.
  • this embodiment provides a parameter configuration method, which first selects an IP address and then detects whether it conflicts with other network element devices, including:
  • the first network element device randomly selects an IP address from the set of IP addresses.
  • the IP address set may be a set of IP addresses stored locally by the first network element device; or, is a set of IP addresses stored by the storage device.
  • the first network element device broadcasts a neighbor request message, where the neighbor request message carries the selected IP address.
  • the first network element device waits for a period of time. When the waiting time reaches the preset time, it is determined whether no other network element device of the same version replies to the neighbor advertisement message. If yes, execute 304. Otherwise, determine the selected IP address and An address conflict occurs between other NE devices of the same version.
  • the preset time may be specified or changed in advance according to the requirement, which is not specifically limited in the embodiment of the present invention.
  • the other network device of the same version in the network receives the neighbor request message and finds that the IP address it carries is the same as the IP address configured by itself, it responds to the neighboring advertisement message to the first network element device, indicating that the IP address occurs.
  • the first NE device After the first NE device receives the neighbor advertisement message within the preset time, it can return to 301, and then select an unselected IP address in the IP address set to perform address conflict detection, and in this step The detection method is the same and will not be described.
  • the first network element device determines that no other network device of the same version is configured with the same IP address, indicating that the selected
  • the first NE device configures the selected IP address as its own IP address.
  • the first network element device selects an IP address by itself, and ensures that the IP address of the first network element device is different from the IP address of the other network element device.
  • the automatic configuration of the IP address without the address allocation server can be completed without interaction with the address allocation server, thereby reducing the dependency of the configuration IP address on the address allocation server, without being limited by the address allocation server failure, and avoiding the distribution bottleneck.
  • No manual intervention by the operator is required for the deployment, restart, or fault recovery of the NE. This ensures the configuration process of the NE device and avoids network interruption.
  • the embodiment provides a parameter configuration method, and requests an IP address of another network device of the same version and address additional information of the same type of network element device, including:
  • the first network element device broadcasts a neighbor request message carrying the device type in the network, and requests an IP address of another network device of the same version and address additional information of the network element device of the same type.
  • the device type is the device type of the network element device. If the network element device is the MME, the neighbor request message carries the MME type.
  • the first network element device receives the neighbor advertisement message replied by the other network element device of the same version, and obtains the IP address of the other network element device and the address additional information of the network element device of the same type from the neighbor advertisement message;
  • the network element device of the same version in the network replies to the neighboring advertisement message to the first network element device, where the IP address of the other network element device is carried, and therefore, the first network element The device obtains the IP address of each other NE device that replies to the neighbor advertisement message.
  • the replied neighbor advertisement message carries the address additional information of the other network element device of the same type, specifically Address additional information requested by the first network element device.
  • the first network element device may obtain the address additional information of the corresponding other network element device of the same type from any one of the neighbor advertisement messages.
  • the first network element device selects an IP address different from each IP address obtained in the IP address set stored locally or stored by the storage device, configures the selected IP address as its own IP address, and obtains The address additional information of other network element devices of the same type is configured as its own address additional information, thereby completing the configuration of the first network element device.
  • the first network element device selects an IP address by itself, and ensures the IP address and the IP address thereof.
  • the IP address of the network element device is different, and the IP address of the first network element device is configured to implement automatic configuration of the IP address without the address allocation server, which can be completed without interaction with the address allocation server, thereby reducing the configuration.
  • the reliance of the IP address on the address allocation server is not limited by the failure of the address allocation server, and the allocation bottleneck is avoided. No manual intervention by the operator is required for the deployment, restart or failure recovery of the NE device to ensure the configuration of the NE device. The process avoids network interruptions.
  • Example 5 For a larger network, there is no need to deploy multiple relay nodes to ensure normal communication between the network element device and the address allocation server, thereby greatly reducing the difficulty of deployment.
  • the IP address of other network element devices and the address additional information of other network element devices of the same type are simultaneously requested by one neighbor request message, which can greatly simplify the IP address configuration process and improve the configuration efficiency.
  • this embodiment provides a first network element device, including:
  • the selecting module 501 is configured to select an IP address different from the IP address of the other network element device from the IP address set, or randomly select an IP address from the IP address set, and detect that there is no other network element device. An address conflict has occurred;
  • the configuration module 502 is configured to configure the selected IP address as the IP address of the first network element device.
  • the other network element device uses the same version of the IP address as the first network element device.
  • the first network element device further includes:
  • the first obtaining module 503 is configured to broadcast a neighbor request message, request an IP address of another network element device, receive a neighbor advertisement message replied by another network element device, and obtain an IP address of another network element device from the neighbor advertisement message.
  • the set of IP addresses is stored on the first network element device or stored on other devices.
  • the selecting module 501 is configured to: select an IP address from the set of IP addresses stored by the first network element device; or query the device storing the IP address set, and select an IP address from the IP address set. .
  • the selection module 501 can broadcast a neighbor request message carrying a randomly selected IP address and wait. If the waiting time reaches a preset time and no other network element device replies to the neighbor advertisement message, it determines that the randomly selected IP address is not An address conflict occurs with other network element devices.
  • the first network element device may further include: a second obtaining module 504, configured to obtain address additional information from other network element devices of the same type; and correspondingly, the configuration module 502 is further configured to use the second acquiring module 504.
  • the obtained address additional information is configured as address additional information of the first network element device.
  • the second obtaining module 504 can include:
  • a first transceiver unit configured to send an additional parameter request message carrying the device type of the first network element device, requesting an address Additional information, receiving an additional parameter response message that is returned after the other network element device determines the same type as the first network element device according to the device type;
  • the first obtaining unit is configured to obtain address additional information from the additional parameter response message.
  • the neighbor request message broadcasted by the first acquiring module 503 may further carry the device type of the first network element device, and is used to request address additional information of other network element devices of the same type as the first network element device;
  • the first obtaining module 503 is further configured to obtain, from the received neighbor advertisement message, the address additional information of the other network element device of the same type as the first network element device, and the configuration module 502 is further configured to use the first obtaining module 503.
  • the obtained address additional information is configured as address additional information of the first network element device.
  • the foregoing network element device provided in this embodiment may be an EPS network, a WiFi network, or a device in a WiMAX network, such as an eNodeB, an MME, an S-GW, a P-GW, an AP, an AR, an AGW, a BS, an ASN-GW, or the like.
  • the CSN network element and the like are not specifically limited in this embodiment of the present invention.
  • the method in any one of the foregoing method embodiments may be implemented on the network element device. For the specific implementation process, refer to the method embodiment, and details are not described herein again.
  • the first network element device configureds an IP address of the network element device by selecting an IP address and ensuring that the IP address is different from the IP address of the other network element device, thereby implementing the addressless allocation server.
  • the automatic configuration of the IP address can be completed without interaction with the address allocation server, thereby reducing the dependency of the configuration IP address on the address allocation server, and is not limited by the address allocation server failure, thereby avoiding the allocation bottleneck, whether it is the network element device. No manual intervention by the operator is required for deployment, restart, or fault recovery. This ensures the configuration process of the NE device and avoids network interruption.
  • the IP address configuration process can be greatly simplified, and the configuration efficiency is improved.
  • Each functional unit in the embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the integrated modules, if implemented in the form of software functional modules and sold or used as separate products, may also be stored in a computer readable storage medium.
  • the storage medium to which it is obtained may be a read only memory, a magnetic disk or an optical disk or the like.
  • Each of the above described devices or systems may perform the methods of the corresponding method embodiments.

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

Abstract

La présente invention concerne un procédé de configuration de paramètre et un premier dispositif d'élément de réseau appartenant au domaine de la technologie des communications. Selon ledit procédé, le premier dispositif d'élément de réseau sélectionne une adresse IP (Internet Protocol) différente des adresses IP d'autres dispositifs d'élément de réseau, parmi un groupe d'adresses IP, ou le premier dispositif d'élément de réseau sélectionne de façon aléatoire une adresse IP parmi le groupe d'adresses IP et détermine qu'il n'y a pas de conflit d'adresse avec d'autres dispositifs d'élément de réseau (101); puis le premier dispositif d'élément de réseau configure l'adresse IP sélectionnée comme sa propre adresse IP (102); lesdits autres dispositifs d'élément de réseau et le premier dispositif d'élément de réseau utilisant les adresses IP de la même version. Le premier dispositif d'élément de réseau comprend un module de sélection et un module de configuration. La présente invention permet de configurer automatiquement des adresses IP lorsqu'il n'y a pas de serveur d'attribution d'adresse.
PCT/CN2011/072646 2011-04-12 2011-04-12 Procédé de configuration de paramètre et dispositif d'élément de réseau WO2011100907A2 (fr)

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PCT/CN2011/072646 WO2011100907A2 (fr) 2011-04-12 2011-04-12 Procédé de configuration de paramètre et dispositif d'élément de réseau
CN2011800004223A CN102171999A (zh) 2011-04-12 2011-04-12 参数配置的方法和网元设备

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CN101662511A (zh) * 2009-10-10 2010-03-03 中国电信股份有限公司 网络地址分配方法及dhcp服务器、接入系统及方法

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