WO2016047998A1 - Système de commande de redirection pour service de diffusion en continu - Google Patents

Système de commande de redirection pour service de diffusion en continu Download PDF

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Publication number
WO2016047998A1
WO2016047998A1 PCT/KR2015/009933 KR2015009933W WO2016047998A1 WO 2016047998 A1 WO2016047998 A1 WO 2016047998A1 KR 2015009933 W KR2015009933 W KR 2015009933W WO 2016047998 A1 WO2016047998 A1 WO 2016047998A1
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WO
WIPO (PCT)
Prior art keywords
traffic
redirection
processing element
control
address
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Application number
PCT/KR2015/009933
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English (en)
Korean (ko)
Inventor
이승철
이태경
이창환
Original Assignee
주식회사 커널아이
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Application filed by 주식회사 커널아이 filed Critical 주식회사 커널아이
Publication of WO2016047998A1 publication Critical patent/WO2016047998A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]

Definitions

  • the present invention relates to a redirection control system, and more particularly, to a security of an IP device due to intrusion of an unauthorized user, such as when a public IP is assigned to a small personal IP device as a target IP device. Problems, unintended user use of the battery, network usage, and so on. Also, the allocated IP is frequently replaced due to frequent movements in cellular wireless networks. In case of using an unstable network, it is possible to maintain the connection of an IP device steadily, and also to cause a problem of a conventional traffic fail, a problem of continuity of a session, and to use TCP.
  • the present invention relates to a redirection control system for a streaming service that can solve a problem of failing to allocate more than one resource and a scalability problem.
  • FIG. 1 is a conceptual diagram of a connection system based on a conventional connection protocol (server oriented protocol).
  • a server system based on a conventional connection protocol an IP device is a server based on a connection protocol and is based on a connection protocol such as TCP. based) maintain a connection and maintain state and IP address for the IP device.
  • a server based on a connection protocol connects signaling to an IP device through an existing connected channel.
  • an IP terminal device such as an existing IP camera is connected to a target IP device from a source IP device.
  • the public IP is assigned to the target IP device.
  • the pool of the public IP is limited, so that the public IP can not be assigned indefinitely, and the small personal IP device is used as the target IP device.
  • a public IP is assigned to a device, a security problem occurs on the IP device because it is not protected from an external network attack such as unintended network hacking, virus penetration, and leakage of personal information.
  • problems such as unintended battery usage and network usage of the user occur.
  • the conventional IP device actively connects to the server.
  • a connection protocol is established between the IP device and the server.
  • the connection oriented protocol based method is used. Difficulty in maintaining the connection of many IP devices.
  • the IP device in the case of the method based on the connection protocol between the IP device and the server, while the IP device is connected to the peer IP device and sending traffic, it may be temporarily disconnected due to an unstable network condition. Even if this happens, the existing session is completely disconnected, causing a traffic fail. In addition, if the existing session is broken, the existing session is released. Since the session is restarted, there is a problem in the continuity of the session and also allocates resources for each connection with a limited IP device, because of the limited resources for the connection. For example, when using TCP, a problem occurs in which more than 65535 resources cannot be allocated. For reference, this is a limit for assignments that are independent of the load on the system.
  • a server system based on a conventional connection protocol requires a lot of system load when performing a streaming service in a server, and thus, a flexible system scalability is required to solve this problem.
  • the conventional streaming device is a centralized system in which a signaling component and a traffic component are bundled together due to a close linkage between signaling and traffic. Structure, which causes problems with scalability.
  • the present invention has been invented in view of the above-described conventional problems, such as when a public IP is assigned to a small personal IP device as a target IP device.
  • the purpose of the present invention is to provide a redirection control system that does not cause problems such as security problems, unintended battery usage of the user, and network usage.
  • the purpose of the present invention is to provide a redirection control system capable of maintaining the connection of IP devices in a cellular wireless network that is frequently replaced by frequent movement, etc., or even in an unstable network situation. .
  • the conventional traffic fail (traffic fail) problem the problem of continuity of the session, when using TCP (TCP)
  • TCP TCP
  • the present invention provides a data exchange between an IP terminal device (hereinafter referred to as an IP device) having a private IP address in a redirection control system for a streaming service.
  • An apparatus for data communication comprising a control processing component (CPC) and a traffic processing component (TPC), wherein the control processing component and the traffic processing component are mutually different when performing a control signaling operation.
  • the control processing element performs connection and exchange of control signaling between IP devices, and the traffic processing element receives a traffic address from each IP device in this process and delivers this information to the control processing element.
  • the traffic processing element controls the redirection to engage in the traffic relay. It characterized in that it comprises a: (RC Redirection Controller).
  • the redirection controller monitors the IP address (IP address) of an IP device allocated from another device through a connection less protocol method with the IP device, and monitors the status of the IP device and the network to which the IP device belongs. By monitoring the status, it is possible to manage more than 65,535 IP devices per module, assuming that a module responsible for control processing has been assigned a public IP address. Allows you to manage IP devices.
  • the redirection controller exchanges device control information (hereinafter, referred to as signaling) between the IP devices through a connection between the IP devices, and establishes a connection protocol based on a connection protocol between the IP devices when it wants to establish a session.
  • signaling device control information
  • the redirection controller exchanges device control information (hereinafter, referred to as signaling) between the IP devices through a connection between the IP devices, and establishes a connection protocol based on a connection protocol between the IP devices when it wants to establish a session.
  • signaling device control information
  • the redirection controller also relays traffic when it wants to exchange user data traffic (hereinafter, referred to as traffic) between IP devices.
  • traffic user data traffic
  • the redirection control system for a streaming service can be applied to a wireless communication network, particularly to IP devices that are not easy to allocate a public IP address in each wireless communication network. It is applied to a server for a server, and can be applied to a mobile network which is not easy because of a network instability and a connection oriented protocol based method.
  • the redirection control system for a streaming service is a security of an IP device due to an intrusion of an unauthorized user, such as when a public IP is assigned to a small personal IP device as a target IP device. Problems, unintended user's unintended battery usage, network usage, etc. do not occur, and the IP allocated by frequent movements in the cellular wireless network is frequently replaced, In case of an unstable network, the IP device can be connected firmly, and a problem of a conventional traffic fail, a problem of continuity of a session, and a case of using TCP can be used. It can solve the problem of failing to allocate more resources and the problem of scalability.
  • connection oriented protocol based server system based on a conventional connection protocol
  • FIG. 2 is a configuration diagram of a redirection control system (RC system) for a streaming service according to the present invention
  • IP device IP device registered in a redirection controller (RC) in a redirection control system for a streaming service according to an embodiment of the present invention.
  • RC redirection controller
  • FIG. 4 is a signaling control procedure between IP devices in a redirection control system for a streaming service according to an embodiment of the present invention.
  • 5 is a traffic communication procedure between IP devices in a redirection control system for a streaming service according to an embodiment of the present invention.
  • FIG. 6 is a diagram illustrating a redirection control procedure in a redirection control system for a streaming service according to an embodiment of the present invention.
  • the redirection control system uses a connection less protocol to manage the status and addresses of many IP devices that are logically or physically connected to a server.
  • a connection less protocol to manage the status and addresses of many IP devices that are logically or physically connected to a server.
  • the IP device In order to reflect the state of the IP device that changes in some cases and the state of the network, the IP device attempts registration according to a specific case in the redirection controller RC. In the case of registration, a power state change in which the power state is changed, a device state change in which the state of the IP device (active / idle%) is changed, and a state of the network (IP address%) An example is when a network state change is required and a periodic update is required.
  • the redirection controller (RC) when the redirection controller (RC) according to the present invention needs to send and receive control signals between the IP devices, the redirection controller (RC) temporarily performs a connection oriented protocol based connection. do.
  • the redirection controller (RC) performs control signals between the IP devices and switches to a mode for generating traffic using a method such as a real-time transmission protocol (RTP). After starting to perform communication operations, the connection oriented protocol based connection can be disconnected as necessary.
  • RTP real-time transmission protocol
  • the redirection controller RC requests a specific command from one or more IP devices, if necessary, in order to allow the IP device to make a connection oriented protocol based connection to the redirection controller RC.
  • the redirection controller RC for connection with a managed target IP device (target IP device), receives a redirect controller (redirect controller).
  • target IP device a managed target IP device
  • redirect controller redirect controller
  • the push notification method that is provided to the IP device managed by the redirect controller is the embodiment of paging (connection request for signaling, etc.), Probing (request for device status) , Control (request to limit control of device configuration, etc.).
  • FIG. 2 is a configuration diagram of a redirection control system (RC system) for a streaming service according to the present invention.
  • the redirection control system for a streaming service according to the present invention is for data communication between IP devices (IP terminal devices or IP devices) having a private IP address.
  • a control processing component (CPC) and a traffic processing component (TPC) are largely composed of a control processing component (CPC) and a traffic processing component (TPC) when performing a control signaling operation.
  • the control processing element (CPC) performs connection and exchange of control signaling between IP devices, and the traffic processing element (TPC) receives the traffic address from each IP device in this process and receives this information. It delivers to the control processing element (CPC), and then the traffic processing element (TPC) is redirected to engage in traffic relay It characterized in that it comprises a: (Redirection Controller RC) group.
  • the control processing element is composed of a connection less interface and a connection oriented protocol based interface, wherein the connection less interface manages the status of the IP device, manages the IP address, and starts the streaming from the guest IP device or the remote configuration of the IP device.
  • the connection less interface manages the status of the IP device, manages the IP address, and starts the streaming from the guest IP device or the remote configuration of the IP device.
  • the traffic processing element is composed of two modules, an RTP address processor and a traffic processor, and operates in conjunction with a control processing element (CPC) at the time of control signaling requiring a host IP device and a streaming from a guest IP device.
  • CPC control processing element
  • the traffic processing element registers traffic address information such as RTP of each host IP device and a guest IP device
  • the RTP address processor processes this information
  • the traffic processor processes the traffic address of the registered IP value.
  • it performs a traffic communication (traffic communication) with each IP device is characterized in that the relay operation.
  • an interface module based on the connection processing protocol of the control processing element (CPC) and the RTP address processor of the traffic processing element (TPC) are synchronized with each other for an ongoing session.
  • IP device IP device
  • RC redirection controller
  • the redirection controller (RC) registers the public IP address, the description IP address, and the status information of the IP device, and after registration, the redirection controller (RC) uses the public IP address of the IP device automatically translated by the public NAT router. It returns to, telling the IP device what its public address is translated by the external router.
  • FIG. 4 is a procedure of signaling control between IP devices in a redirection control system for streaming service according to an embodiment of the present invention.
  • signaling control between IP devices is performed using a redirection controller (RC) for signaling control between IP devices.
  • the process of disconnection and disconnection is performed by connecting a connection protocol based connection protocol to the redirection controller (RC) in order to access the host IP device from the guest IP device.
  • RC redirection controller
  • the redirection controller (RC) connects the guest IP device with the host IP device, thereby providing control signaling with each other. So I can get.
  • traffic communication between IP devices in a redirection control system for a streaming service is a process for traffic communication between IP devices after signaling control between IP devices.
  • each IP device transmits each private IP traffic address to the redirection controller RC.
  • the redirection controller RC registers each IP device public IP traffic address automatically converted by the NAT router in the database.
  • the redirection controller finds the public IP traffic address information of the guest IP device associated with the host IP device in the database and finds the public IP address of the guest IP device.
  • the traffic relay is performed by retransmitting traffic to the network.
  • FIG. 6 is a flowchart illustrating a redirection control procedure in a redirection control system for a streaming service according to an embodiment of the present invention.
  • the guest IP device in order to receive a service from the host IP device, the guest IP device is connected to the control processing element (CPC). If required, paging is given to the host IP device managed by the control processing element (CPC), and the host IP device receives the paging and accesses the control processing element (CPC).
  • CPC control processing element
  • the guest IP device then sends a control message (called signaling) to the control processing element (CPC), sends the traffic address prepared by the concurrent guest IP device to the traffic processing element (TPC), and the traffic processing element (TPC) is the guest traffic address. Received information is delivered to the control processing element (CPC).
  • CPC control processing element
  • the control processing element inserts information of the traffic processing element (TPC) and guest traffic address information from the guest IP device into a control message, and then delivers the message to the host IP device.
  • the Host IP device After receiving the Control message, the Host IP device sends a response to the control processing element (CPC), and simultaneously sends a host traffic address to the traffic processing element (TPC), and the traffic processing element (TPC) sends this information to the control processing element. (CPC).
  • control processing element inserts the information of the traffic processing element (TPC) and the host traffic address information from the host IP device into the control response message, and then transfers the response message to the guest IP device.

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

Abstract

La présente invention concerne un système de commande de redirection pour un service de diffusion en continu, le système comprenant principalement un composant de traitement de commande (CPC) et un composant de traitement de trafic (TPC) en qualité de dispositifs de communication de données entre des dispositifs IP ayant une adresse IP privée, dans lequel le composant de traitement de commande et le composant de traitement de trafic fonctionnent en association l'un avec l'autre lors de l'exécution d'une signalisation de commande; le composant de traitement de commande effectue un échange de signalisation de connexion et de commande entre des dispositifs IP, le composant de traitement de trafic reçoit une adresse de trafic depuis chaque dispositif IP pendant l'exécution du processus et envoie ensuite les informations au composant de traitement de commande, et le composant de traitement de trafic comprend une unité de commande de redirection (RC) impliquée dans le relais du trafic. Le système de commande de redirection pour un service de diffusion en continu selon la présente invention ne génère pas les mêmes problèmes que dans le cas où un IP public est attribuée à un petit dispositif IP personnel en qualité de dispositif IP cible, comme les problèmes de sécurité de dispositif IP dus à l'intrusion d'un utilisateur non autorisé, l'utilisation involontaire de la batterie d'utilisateurs, une utilisation de réseau, etc. De plus, le système de commande de redirection peut maintenir de manière stable la connexion de dispositifs IP, même dans des conditions de réseau instable, ou même lorsqu'un IP attribué change fréquemment en raison d'un mouvement fréquent, etc., dans un réseau sans fil cellulaire; le système permet également de résoudre les problèmes classiques suivants : le problème de défaillance de trafic , le problème de continuité de session, le problème où pas plus de 65535 ressources sont attribuées, et le problème de capacité d'extension.
PCT/KR2015/009933 2014-09-23 2015-09-22 Système de commande de redirection pour service de diffusion en continu WO2016047998A1 (fr)

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KR10-2014-0126666 2014-09-23
KR20140126666A KR101491640B1 (ko) 2014-09-23 2014-09-23 스트리밍 서비스를 위한 리다이렉션 제어 시스템

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000041829A (ko) * 1998-12-23 2000-07-15 강병호 멀티미디어 위성통신 시스템에서 사설 아이피 어드레스운용장치
KR20020037223A (ko) * 2000-11-13 2002-05-18 남민우 공인 및 사설 아이피주소를 이용한 통신서비스방법 및시스템
KR20060118729A (ko) * 2005-05-17 2006-11-24 엘지전자 주식회사 공중망과 사설망간의 데이터 중계시에 네트워크 주소를변환하는 방법
KR20060133699A (ko) * 2005-06-21 2006-12-27 주식회사 케이티 이종망 접속 중계장치 및 그 방법
KR20070120784A (ko) * 2006-06-20 2007-12-26 엔트로링크(주) 통신단말기의 네트워크 환경을 변경 없이 사용가능하도록하는 아이피공유장치 및 이를 이용한 접속 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000041829A (ko) * 1998-12-23 2000-07-15 강병호 멀티미디어 위성통신 시스템에서 사설 아이피 어드레스운용장치
KR20020037223A (ko) * 2000-11-13 2002-05-18 남민우 공인 및 사설 아이피주소를 이용한 통신서비스방법 및시스템
KR20060118729A (ko) * 2005-05-17 2006-11-24 엘지전자 주식회사 공중망과 사설망간의 데이터 중계시에 네트워크 주소를변환하는 방법
KR20060133699A (ko) * 2005-06-21 2006-12-27 주식회사 케이티 이종망 접속 중계장치 및 그 방법
KR20070120784A (ko) * 2006-06-20 2007-12-26 엔트로링크(주) 통신단말기의 네트워크 환경을 변경 없이 사용가능하도록하는 아이피공유장치 및 이를 이용한 접속 방법

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