WO2014007604A1 - Système et procédé de résolution préventive de conflit d'adresses dans des affectations automatiques d'adresse de dispositif - Google Patents

Système et procédé de résolution préventive de conflit d'adresses dans des affectations automatiques d'adresse de dispositif Download PDF

Info

Publication number
WO2014007604A1
WO2014007604A1 PCT/MY2013/000126 MY2013000126W WO2014007604A1 WO 2014007604 A1 WO2014007604 A1 WO 2014007604A1 MY 2013000126 W MY2013000126 W MY 2013000126W WO 2014007604 A1 WO2014007604 A1 WO 2014007604A1
Authority
WO
WIPO (PCT)
Prior art keywords
address
network
conflict
network address
database
Prior art date
Application number
PCT/MY2013/000126
Other languages
English (en)
Inventor
Kandasamy A/L Karu ETTIKAN
Original Assignee
Mimos Berhad
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
Publication date
Application filed by Mimos Berhad filed Critical Mimos Berhad
Publication of WO2014007604A1 publication Critical patent/WO2014007604A1/fr

Links

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
    • H04L61/5046—Resolving address allocation conflicts; Testing of addresses
    • 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 in general relates to device address assignments methodology in a network.
  • the present invention relates to system and method for pre-emptive address conflict resolution for automatic device address assignments by maintaining the address uniqueness in a network.
  • ITU International Telecommunication Union
  • IoT Internet of Things
  • US 7,633,855 implements a system for effectively resolving conflicting network-device addresses in accordance with network priorities.
  • the system includes an interface-monitoring module for providing a signal when an address conflict involving plural address occurs in a network.
  • the system further includes a conflict-resolution module that selectively terminates one or more device interfaces associated with the conflicting plural address in response to the signal and based on one or more precedence rules.
  • a method for preemptive network address conflict resolution for a newly joined network device to maintain address uniqueness in heterogeneous network comprises the steps of requesting address conflict detection/verification for network address of the newly joined network device, performing conflict detection/verification for network address of the newly joined network device, and responding with address detection/verification result.
  • network address conflict is detected, a different new unique network address is generated and assigned to the newly joined network device, and the conflicting address as well as the newly generated unique network address are deprecated.
  • the steps of performing detection/verification for the network address of the newly joined network device further comprises the steps of classifying type of the network address of the newly joined network device in heterogeneous network environment, extracting partial or full information of the network address of the newly joined network device for the specific network type, and performing a look-up of the information of the network address of the newly joined network device in a database storing all existing network addresses, including both active and non-active network addresses, received from neighboring network devices for identification of conflict.
  • the address conflict is being recorded in a conflict list storing detected network address conflict information, and when no address conflict is detected, the conflict list is referred to further verify uniqueness of the network address of the newly joined network device.
  • the steps of network address deprecation comprising the steps of receiving trigger of address conflict detection, referring to the database for identification of conflict address type, broadcasting address deprecation message to the newly joined network device informing that address conflict is detected, starting timer for deprecation completion, sending unicast message to the conflicting addresses informing status of the network address deprecation, awaiting response from the conflicting addresses; and notifying completion of deprecation process.
  • the steps of broadcasting deprecation message further comprises the steps of receiving trigger of address deprecation instruction, removing current conflicting network address from the database, and requesting for new address assignment detection and verification.
  • the method for preemptive network address conflict resolution for a newly joined network device further comprises the step of database synchronization.
  • the database synchronization comprises the steps of receiving trigger to perform database synchronization, receiving new network address information to be added or deleted from the database, performing a look-up in the database and identifying changes in address entries, and updating the database.
  • the database stores device address from same or heterogeneous networks.
  • the newly generated unique network address is generated through a method for generating a unique network address, wherein the method comprises the steps of receiving request for new full network address or partial network address generation, referring to the conflict list and extracting network address conflict field, allocating new full network address or partial network address, and performing a look-up for the new full network or partial network address.
  • the system comprises a user device assigned with a network address and a conflict resolver operationally communicating with the user device.
  • the conflict resolver comprises a network address conflict verification and detection unit for detecting address conflicts between the network address of the user device and existing addresses from neighboring network devices.
  • the network address conflict verification and detection unit includes a network address conflict detection and verification request receiver unit for receiving request of conflict detection and verification for the network address of the user device, a network database storing all existing network addresses from neighboring network devices, the existing addresses including both active and non-active network addresses of heterogeneous network.
  • the network address conflict verification and detection unit Upon receipt of conflict detection and verification request, the network address is verified against the network database, thereby identifying any address conflict between the user device network address and the all existing network addresses.
  • the network address conflict verification and detection unit further includes a network address conflict registration unit for registering address conflict information detected between the network address of the user device and the existing network addresses to a conflict list database.
  • the conflict database stores the address conflict information detected.
  • the conflict resolver further comprises a unique address range generation unit operable for generating new unique network address range to be assigned to the user device when there is address conflict detected.
  • the new unique network address is generated with reference to the network database to avoid any conflict between the new unique network address and the existing network addresses. This allows the device to use either one of the address or address range allocated to it.
  • the conflict resolver may further comprise a network address deprecation unit for deprecating the network address conflict detected and the newly generated unique network address.
  • the network database further comprises information on devices protocol type, Layer 1 or Layer 2 address, and MAC address or EUI Type of each devices, and deprecated addresses.
  • FIG. 1 is a diagram illustrating a system for preemptive address conflict resolution, for both active and non-active network-device addresses in accordance with one embodiment of the present invention
  • FIG. 2 illustrates a diagram of the preemptive address conflict resolution process performed by the system of Fig. 1, in accordance with one embodiment of the present invention
  • FIG. 3 illustrates a diagram of device address or device address prefix/range conflict detection/verification process according to another embodiment of the present invention
  • Fig. 4 is a flowchart illustrating a new address reassignment procedure according to one embodiment of the present invention
  • Fig, 5 is a flowchart illustrating a new device address or device address prefix/range generation process according to one embodiment of the present invention
  • FIG. 6 is a flowchart illustrating a NAMS Database/Table synchronization process occurring when there is device address or device address prefix/range conflict detected;
  • Fig. 7 illustrates a diagram of NAMS Table synchronization process as one embodiment of the present invention
  • FIG. 8 illustrates a flowchart of address deprecation process according to one embodiment of the present invention
  • Fig. 9 illustrates a diagram of address deprecation process according to a further embodiment of the present invention
  • Fig. 10 illustrates an exemplary format of NAMS Database/Table in accordance with one embodiment of the present invention.
  • Fig. 1 1 illustrates an exemplary format of Conflict Analysis List/Table in accordance with one embodiment of the present invention.
  • the present invention provides a system and method for preemptive address conflict resolution, for both active and non-active network and/or devices having different addressing method in heterogeneous network environment.
  • the system and method utilize addresses that are not used by both active and non-active network and/or device to preemptively resolve address conflicts. This is the advantage of the present invention that even non-active networks or hibernating devices are being considered so as to preemptively resolve address conflicts.
  • the present invention is also cost-advantageous for preemptively resolve address conflicts, since address conflict resolution or address reassignment is much costlier after conflict occurs and being detected.
  • Fig. 1 is a diagram illustrating a system 10 for preemptive address conflict resolution, for both active and non-active network-device addresses in accordance with one embodiment of the present invention.
  • the system 10 can be implemented for both EUI48/64 and non-EUI48/64 group of devices for preemptive network addresses conflict resolution, covering heterogeneous network.
  • the system 10 avoids address conflicts at Layer 2 and enables unique communication at Layer 2 or Layer 3 of a network architecture.
  • the system 10 utilizes Network Address Management Scheme
  • NAMS NAMS conflict Resolver
  • NUD NAMS User Device
  • the NUD 12 communicates with the NCR 11.
  • the NUD 12 comprises a unique device address creation unit 12 A.
  • the unique device address creation unit 12A is responsible to generate a network address or range of network addresses assigned to a newly joined node/device.
  • the NCR 1 1 is to detect and verify whether the network address generated by the unique device creation unit 12A is conflicting with any existing network address and to resolve the conflict detected, if any.
  • the NCR of the system 10 further comprises a unique address or address range generation unit 13 for generating new unique address or address range and a network address conflict detection/verification unit 14 for detecting address conflicts between new address and existing address.
  • the network address conflict verification and detection unit 14 further comprises a network address conflict detection and verification request receiver unit 15 for receiving request from the NUD 12 for a specific network address verification, a network address conflict registration unit 16 for communicating and registering any full or partial address conflict information to a network address Conflict Analysis List 18 which stores the information accordingly, and a NAMS Database/Table 17 which is a database storing all addresses assigned to neighboring network-devices.
  • the NAMS Database/Table 17 is updated and synchronized by a NAMS Database/Table synclironization unit 19 upon receipt of synchronization request from the NUD 12.
  • the NAMS Database/Table synchronization is performed between local NAMS Database/Table and neighboring NAMS Database/Table.
  • the unique address or address range generation unit 13 is configured to generate new unique address or address range with reference to the NAMS Database/Table 17 of the address conflict detection/verification unit 14.
  • a network address confirmation unit 13A further confirms that the newly generated address or address range is unique based on the verification result received from the address conflict verification/detection unit 14.
  • the NCR 1 1 further comprises a network address deprecation enforcement unit 13B.
  • the network address deprecation enforcement unit 13B performs deprecation upon request from the NUD 12 when there is conflict detected.
  • the network address deprecation enforcement unit 13B further updates the Network Address Conflict Analysis List 18 and ensure that all conflicts are well recorded in Conflict Analysis List 18.
  • Fig. 2 illustrates a diagram of the preemptive address conflict resolution process 20 performed by the system 10 of Fig. 1, in accordance with one embodiment of the present invention.
  • the NUD sends requests for device address or device address prefix/range conflict detection/verification for a new device address or device address prefix/range assigned to a newly joined node.
  • the NCR receives requests for the device address or device address prefix/range conflict detection/verification.
  • the new device address or device address prefix/range is verified for any address conflict against local NAMS Table.
  • the NCR replies the NUD with the detection/verification results.
  • Fig. 3 illustrates a diagram of device address or device address prefix/range conflict detection/verification process 30 according to another ' embodiment of the present invention.
  • the device address conflict verification/detection method comprises the steps as follows.
  • the network-devices address conflict verification/detection unit of the NCR receives request for device address or device address prefix/range conflict detection/verification from NUD.
  • type of address to be analyzed is classified.
  • device address details are extracted at step 33 for detail analysis.
  • the address details may include network prefix and device address.
  • step 34 the address details are looked-up in the local NAMS Database/Table for conflict detection until end of the table entry is reached. If there is address conflict, then the details of the conflict will be stored in Conflict- Analysis list with conflict analysis information at step 35, and eventually a new address reassignment procedure and an address deprecation procedure will be invoked at step 36.
  • Fig. 4 is a flowchart illustrating a new address reassignment procedure
  • the new address reassignment procedure 40 will be invoked when the device address or device address prefix/range assigned to the newly joined node is in conflict with existing address.
  • the NCR detects that the device address or device address prefix/range of the newly joined node is in conflict with existing address.
  • the NCR assigns another new device address or device address prefix/range to the newly joined node, and thereafter at step 43, the NCR updates the newly assigned device address or device address prefix/range to local NAMS Database/Table and invokes synchronization with neighboring NAMS Database/Table for only the updated part of NAMS Database/Table.
  • the synchiOnization can be done in predetermined periodic manner.
  • Fig. 5 is a flowchart illustrating a new device address or device address prefix/range generation process 50 according to one embodiment of the present invention.
  • the new address generation method comprises the steps as follows. At step 51, trigger for new address or device address prefix/range generation is received. At step 52, a new address is generated. At step 53, Conflict Analysis List will be referred and device-network address of the newly generated address will be extracted for comparison. Since the Conflict Analysis List records all history of conflicting address, this step is ensures that the newly generated address does not conflict with any existing address.
  • the conflict is also detected at partial address level, e.g network prefix/s or node address/ID (some devices may use its node ID to generate an address).
  • partial address level e.g network prefix/s or node address/ID (some devices may use its node ID to generate an address).
  • the newly generated address conflicts with a device address or device address prefix/range belongs to an existing device, whether the existing device is active or hibernating, the newly generated address should not be allocated to the newly joined device. Accordingly, new full device address (i.e., both network address and device address) or new partial address (i.e., either network address or device address) will be allocated at step 54 or step 56 respectively.
  • step 55 local NAMS Database/Table will be referred to confirm that there is no address conflict with the newly generated full address, while at step 57, the local NAMS Database/Table will be referred to confirm that there is no address conflict in the newly generated partial address.
  • new full or partial address is accordingly formed at step 58, after which the procedure terminates.
  • Fig. 6 is a flowchart illustrating a NAMS. Database/Table synchronization process 60 occurring when there is device address or device address prefix/range conflict detected.
  • request for NAMS Database/Table synchronization with neighboring NAMS Database/Table is received from the NCR.
  • the NAMS Database/Table synchiOnization with the neighboring NAMS Database/Table is performed.
  • the local and tire neighboring NAMS Database/Table is updated.
  • Fig. 7 illustrates a diagram of NAMS Database/Table synchronization process 70 as one embodiment of the present invention.
  • NAMS Database/Table synchiOnization process starts at step 70A, at which trigger for NAMS Database/Table synchronization is received.
  • the trigger received can be either a timer trigger to perform synchronization received at step 71, or a trigger to add/delete new address entries to the NAMS Database/Table received at step 72.
  • step 73 local NAMS Database/Table is referred and changes in address entries are identified.
  • step 74 partial NAMS Database/Table is sent to existing joined devices, while at step 75, entire NAMS Database/Table is sent to newly joined node,
  • Fig. 8 illustrates a flowchart of address deprecation process 80 according to one embodiment of the present invention.
  • the address deprecation process 80 will be invoked when there is device address or device address prefix/range conflict detected by the NCR.
  • the network-device address deprecation method 80 comprises the following steps.
  • trigger of address conflict detection is received.
  • step 82 local NAMS Database/Table is referred for identifying the type of the address conflict.
  • address deprecation message is broadcasted to newly joined node so that the newly joined node does not use the conflicted device address or device address prefix/range.
  • timer for network- device address deprecation process completion is started.
  • the timer is required so as to notify the newly joined node and other nodes communicating with the newly joined node regarding the address deprecation process.
  • unicast message regarding the address conflict is sent to the existing node using the conflicting device addresses or device address prefixs/ranges and the newly joined node, respectively.
  • Reply message from the existing node acknowledging that the existing nodes can keep using conflicting addresses is awaited.
  • reply message from the newly joined node acknowledging that the newly joined node is to use another new address is also awaited. If the reply message is not received, address deprecation message is broadcasted again. If the reply message is received, the deprecation process is completed and notification of deprecation completion is delivered to the existing node and the newly joined node, respectively, at step 86.
  • Fig. 9 illustrates a diagram of address deprecation process 90 according to a further embodiment of the present invention.
  • deprecation process is invoked as the deprecation message is broadcasted to newly entered joined node.
  • the deprecation process is initiated by receiving a trigger of address deprecation process instruction at step 91.
  • step 92 a look-up is performed for the specific conflicting address in the local NAMS Database/Table, and subsequently at step 93, the current conflicting address is removed from local NAMS Database/Table.
  • the Conflict Analysis List is updated with regards to the conflicting address to ensure that all conflicts are well recorded in Conflict Analysis List.
  • the Conflict Analysis List keeps the information of all occurring conflicts.
  • Fig. 10 illustrates an exemplary format of NAMS Database/Table in accordance with one embodiment of the present invention.
  • the NAMS Database/Table includes information on devices protocol type, devices addresses of all neighboring devices, Layer 1 or Layer 2 address, and MAC address or EUI Type of each device.
  • the NAMS Database/Table further includes information on whether a particular address being a deprecated address.
  • Fig. 1 1 illustrates an exemplary format of Conflict Analysis List/Table in accordance with one embodiment of the present invention.
  • the Conflict Analysis List/Table records all history of address conflict information. It is widely known to the person skilled in the art that a full format of a device address comprises at least one network prefix/address and device address, wherein the network prefix/address may change variably but device address remains the same. As such, it is preferable that when being recorded to the Conflict Analysis List/Table, all details of a device address, i.e. the network prefix/address and the device address, are being extracted and recorded separately.
  • the Conflict Analysis List/Table is used to record address conflict information, which format of the full address be xxx:yy:zzz.
  • the Conflict Analysis List/Table comprises five fields, wherein one field stores full address, two fields separately stores information of first and second network prefix/range, and one field stores information of device address. Such Conflict Analysis List/Table thus allows detailed look-up and analysis for address conflict detection/verification .
  • the system and method of the present invention can be deployed for, but not limited to, group of devices with protocol type of Ethernet, IEEE 802.15.4, group of devices of MAC/ EUI (64 bits/48 bits); group of devices of non- EUI, etc.
  • the system and method of the present invention provides solution for address conflicts by preemptively resolve address conflict, pai'ticularly at Layer 2 of a network architecture as well as enabling unique communication at Layer 2 or Layer 3 of a network architecture.
  • the present invention also allows multi-protocol type devices to be present in one network without conflicting each other.
  • the system and all processes or methodologies disclosed herein provide preemptive address conflicts resolution in various heterogeneous networks and network devices, such as WPAN, Home Network, and many other heterogeneous networks.
  • the devices and networks may use different protocol standards such as IEEE802.15.4, Homeplug, IPv4, IPv6, Lon Works etc.
  • each device can scan their neighboring reachable network and discover existing network address, and most importantly it is able to cover both active and non-active network and/or device address. Based on this information, the device is able to automatically configure their own unique address and connect themselves to the network while avoiding any address conflict.
  • the system and method of the present invention thus eliminates any hiunan intervention, provides devices zero configuration state, and increases efficiency on network devices communication.

Abstract

La présente invention concerne un système de résolution préventive de conflit d'adresses dans un environnement de réseau hétérogène, comprenant un dispositif d'utilisateur et un dispositif de résolution de conflit communicant avec le dispositif d'utilisateur. Le dispositif de résolution de conflit comprend une unité de vérification et de détection de conflit d'adresses de réseau pour détecter des conflits d'adresses entre un réseau, l'adresse d'un dispositif ayant récemment rejoint le réseau et des adresses existantes, durant la vérification, l'adresse de réseau du dispositif ayant récemment rejoint le réseau étant vérifiée par rapport à une base de données de réseau stockant toutes les adresses de réseau existantes, comprenant à la fois une adresse de réseau active et une adresse de réseau non active. Le dispositif de résolution de conflit comprend en outre une liste d'analyses de conflit qui stocke toutes les informations de conflit détecté. Le système est conçu de manière fonctionnelle pour résoudre de manière préventive toute adresse de conflit possible. La présente invention concerne également un procédé de résolution préventive de conflit d'adresses.
PCT/MY2013/000126 2012-07-05 2013-07-04 Système et procédé de résolution préventive de conflit d'adresses dans des affectations automatiques d'adresse de dispositif WO2014007604A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MYPI2012003072 2012-07-05
MYPI2012003072A MY168892A (en) 2012-07-05 2012-07-05 System and method for pre-emptive address conflict resolution in automatic device address assignments

Publications (1)

Publication Number Publication Date
WO2014007604A1 true WO2014007604A1 (fr) 2014-01-09

Family

ID=49165819

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/MY2013/000126 WO2014007604A1 (fr) 2012-07-05 2013-07-04 Système et procédé de résolution préventive de conflit d'adresses dans des affectations automatiques d'adresse de dispositif

Country Status (2)

Country Link
MY (1) MY168892A (fr)
WO (1) WO2014007604A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107205059A (zh) * 2016-03-17 2017-09-26 华为技术有限公司 管理表计设备地址的方法、采集终端和表计设备
CN109246162A (zh) * 2017-07-10 2019-01-18 中兴通讯股份有限公司 Mac地址信息同步方法、设备及存储介质
EP3448000A1 (fr) * 2017-08-23 2019-02-27 Siemens Aktiengesellschaft Procédé de génération d'un identificateur d'adressage unique pour un flux de données d'une application dans un réseau compatible avec les normes tsn et dispositif correspondant
CN113840019A (zh) * 2021-09-23 2021-12-24 深圳市赛美达电子有限公司 Bms通信地址分配方法及系统、电池管理系统
WO2023103319A1 (fr) * 2021-12-10 2023-06-15 达闼机器人股份有限公司 Procédé d'attribution d'adresse de réseau, système de l'internet des objets, appareil, dispositif, support de stockage et produit-programme d'ordinateur
WO2024021109A1 (fr) * 2022-07-29 2024-02-01 华为技术有限公司 Procédé et appareil de détection de conflit d'adresse

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1655928A1 (fr) * 2004-11-05 2006-05-10 Hitachi, Ltd. Procédé et dispositif pour assigner un identificateur unique à un noeud de réseau
US20070097992A1 (en) * 2005-11-03 2007-05-03 Cisco Technology, Inc. System and method for resolving address conflicts in a network

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1655928A1 (fr) * 2004-11-05 2006-05-10 Hitachi, Ltd. Procédé et dispositif pour assigner un identificateur unique à un noeud de réseau
US20070097992A1 (en) * 2005-11-03 2007-05-03 Cisco Technology, Inc. System and method for resolving address conflicts in a network
US7633855B2 (en) 2005-11-03 2009-12-15 Cisco Technology, Inc. System and method for resolving address conflicts in a network

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
THOMSON CISCO T NARTEN IBM T JINMEI TOSHIBA S: "IPv6 Stateless Address Autoconfiguration; rfc4862.txt", 20070901, 1 September 2007 (2007-09-01), XP015052408, ISSN: 0000-0003 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107205059A (zh) * 2016-03-17 2017-09-26 华为技术有限公司 管理表计设备地址的方法、采集终端和表计设备
US10944716B2 (en) 2016-03-17 2021-03-09 Huawei Technologies Co., Ltd. Metering device address management method, collection terminal, and metering device
CN109246162A (zh) * 2017-07-10 2019-01-18 中兴通讯股份有限公司 Mac地址信息同步方法、设备及存储介质
EP3448000A1 (fr) * 2017-08-23 2019-02-27 Siemens Aktiengesellschaft Procédé de génération d'un identificateur d'adressage unique pour un flux de données d'une application dans un réseau compatible avec les normes tsn et dispositif correspondant
CN113840019A (zh) * 2021-09-23 2021-12-24 深圳市赛美达电子有限公司 Bms通信地址分配方法及系统、电池管理系统
WO2023103319A1 (fr) * 2021-12-10 2023-06-15 达闼机器人股份有限公司 Procédé d'attribution d'adresse de réseau, système de l'internet des objets, appareil, dispositif, support de stockage et produit-programme d'ordinateur
WO2024021109A1 (fr) * 2022-07-29 2024-02-01 华为技术有限公司 Procédé et appareil de détection de conflit d'adresse

Also Published As

Publication number Publication date
MY168892A (en) 2018-12-04

Similar Documents

Publication Publication Date Title
WO2014007604A1 (fr) Système et procédé de résolution préventive de conflit d'adresses dans des affectations automatiques d'adresse de dispositif
US7414996B2 (en) Address autoconfiguration in ad hoc networks
US8812723B2 (en) Assignment of network addresses
US10218671B2 (en) Dynamic media access control address allocation and leasing for wireless network
US8683055B2 (en) Network setup via short-range communication
JP6068630B2 (ja) サービスを登録して発見するための方法、デバイス、およびシステム
CN101212463B (zh) 动态分配ip地址的方法、系统及接入点
US20070091908A1 (en) Communication device and communication control method using efficient echonet address determination scheme
US10159103B2 (en) Random media access control address collision detection and avoidance for wireless network
EP1550261A2 (fr) Configuration de reseau dynamique
CN100471148C (zh) 用于建立网络的装置和方法
US7289471B2 (en) Mobile router, position management server, mobile network management system, and mobile network management method
KR20070064227A (ko) 네트워크 ｉｄ 충돌 탐지 및 충돌 해결방법
US7958220B2 (en) Apparatus, method and system for acquiring IPV6 address
WO2013071803A1 (fr) Informations de fournisseur de dispositifs de réseau sans fil
KR101519139B1 (ko) 지그비 시스템 및 지그비 네트워크 구성 방법
JP4549055B2 (ja) 無線パーソナルエリアネットワークにおけるネットワークアドレスの設定方法
Hong et al. Accelerating service discovery in ad-hoc zero configuration networking
JP2009272743A (ja) 無線ｌａｎシステムのアクセスポイント
KR100902841B1 (ko) 홈 네트워크 시스템 및 홈 네트워킹 방법
JP3997826B2 (ja) Ｉｐアドレス生成方法及び無線基地局装置
CN102413194B (zh) 节点设备、网络接入设备、地址冲突处理方法和系统
KR100948688B1 (ko) 네트워크 기반의 단말 이동성 관리장치 및 방법
CN112492057B (zh) 一种固定根节点的地址自配置方法
KR101491151B1 (ko) 지그비 시스템 및 지그비 네트워크 구성 방법

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13762298

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13762298

Country of ref document: EP

Kind code of ref document: A1