WO2010111922A1 - 一种获取视频传输管理服务器地址的方法和装置 - Google Patents

一种获取视频传输管理服务器地址的方法和装置 Download PDF

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Publication number
WO2010111922A1
WO2010111922A1 PCT/CN2010/071300 CN2010071300W WO2010111922A1 WO 2010111922 A1 WO2010111922 A1 WO 2010111922A1 CN 2010071300 W CN2010071300 W CN 2010071300W WO 2010111922 A1 WO2010111922 A1 WO 2010111922A1
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WO
WIPO (PCT)
Prior art keywords
server
video transmission
transmission management
management server
location information
Prior art date
Application number
PCT/CN2010/071300
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English (en)
French (fr)
Inventor
蔡有元
向海洲
郑合文
邱志刚
Original Assignee
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
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP10758024A priority Critical patent/EP2416572A1/en
Publication of WO2010111922A1 publication Critical patent/WO2010111922A1/zh
Priority to US13/248,957 priority patent/US20120036545A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643Communication protocols
    • H04N21/64322IP
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21Server components or server architectures
    • H04N21/226Characteristics of the server or Internal components of the server
    • H04N21/2265Server identification by a unique number or address, e.g. serial number
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643Communication protocols

Definitions

  • the video transmission management server In the IPTV service, it is often necessary to deploy a video transmission management server to improve the user experience, in view of the loss or error of the packet caused by the access line noise and channel switching, and the video transmission management server provides the lost Error packet retransmission repair (ARQ), fast channel switching (FCC) key information fast push, application layer forward error correction (FEC) and other services.
  • ARQ Error packet retransmission repair
  • FCC fast channel switching
  • FEC application layer forward error correction
  • these video transmission management servers are often integrated into network devices close to the user, such as: edge routers, metro transmission devices, access devices (such as OLT) , DSLAM), video transmission management server, etc.
  • the video transmission management server integrated into the network device means that all users downstream of one network device share the same video transmission management server, and users under different network devices use different videos.
  • the transmission management server, the user STB needs to know the address of the corresponding video transmission management server to communicate with it.
  • the technical solution for the existing user set-top box STB to obtain the address of the video transmission management server is: after starting the STB, first obtain the domain suffix through the automatic host configuration protocol server DHCP server, and then add the hard-coded prefix embedded in the STB software to form a channel. Configure the domain name of the server (such as EPG Server), and then use the DNS resolution mechanism to obtain the IP address of the channel configuration server corresponding to the domain name.
  • the STB uses the Real Time Streaming Protocol (RTSP) to request video transmission management from the channel configuration server.
  • RTSP Real Time Streaming Protocol
  • the address of the server In the process of implementing the present invention, the inventors have found that at least the following problems exist in the prior art:
  • the IP transmission address of the video transmission management server is obtained through the interaction between the RTSP protocol and the channel configuration server. This method is complicated to implement, and must rely on the channel configuration server to complete the interaction process, adding potential node failure risk points, and channel configuration.
  • the server only knows the channel information, does not know the location of the user access, and it is difficult to arrange the corresponding video transmission management server according to the user's access location and dynamic address.
  • the configuration workload of the channel configuration server will be very large, and the maintenance overhead will be very high. Summary of the invention
  • the main purpose of the embodiments of the present invention is to provide a method, a system, and a device for acquiring a video transmission management server address, so as to automatically obtain a video transmission management address in the process of acquiring dynamic host configuration parameters, without additional introduction.
  • the server is configured, and the interaction process is simple and the cost is low, thereby greatly improving the user experience.
  • a method for obtaining a video transmission management server address comprising:
  • the host parameter configuration server Sending a request message for obtaining the location information of the video transmission management server to the host parameter configuration server; receiving a response message returned by the host parameter configuration server, and acquiring location information of the video transmission management server; wherein the video transmission management server is faulty One or more arbitrary combinations of a packet retransmission repair server (ARQ Server), a fast channel switching server (FCC Server) or a forward error correction server (FEC Server); the host parameter configuration server is a dynamic host configuration protocol server DHCP Server, or point-to-point protocol server PPP Server.
  • ARQ Server packet retransmission repair server
  • FCC Server fast channel switching server
  • FEC Server forward error correction server
  • the host parameter configuration server is a dynamic host configuration protocol server DHCP Server, or point-to-point protocol server PPP Server.
  • a system for obtaining a video transmission management server address comprising:
  • a user terminal configured to send a request message for obtaining location information of the video transmission management server to the host parameter configuration server, receive a response message returned by the host parameter configuration server, and obtain location information of the video transmission management server;
  • the video transmission error management server is lost packet retransmission repair server (ARQ Serv er), fast channel change server (FCC server), or any combination of one or more the server error correction (FEC server);
  • a host configuration server parameters to Receiving a request message for acquiring the location information of the video transmission management server sent by the user terminal, and after obtaining the location information of the video transmission management server according to the request message, returning a response message to the user terminal;
  • the host parameter configuration server is dynamic Host Configuration Protocol Server DHCP Server, or Point-to-Point Protocol Server PPP Server.
  • An apparatus for obtaining a video transmission management server address comprising:
  • ARQ Server lost video transmission error packet retransmission repair server
  • FCC Server channel switching server
  • FEC Server forward error correction server
  • the host parameter configuration server is a dynamic host configuration protocol server DHCP Server, or a point-to-point protocol server PPP Server
  • a receiving unit configured to receive a response message returned by the host parameter configuration server, and obtain location information of the video transmission management server.
  • the specific implementation provided by the embodiment of the present invention can be used to send a request message for acquiring the location information of the video transmission management server to the host parameter configuration server, and receive the response message returned by the host parameter configuration server to obtain the video. Transmitting the management server location information; wherein the response message carries the video transmission management server location information required by the user terminal, which solves the problem of additionally introducing the configuration server in the prior art solution, and the interaction process is complicated, the configuration workload is large, and the maintenance is performed.
  • the problem of high overhead and high risk of potential node failure makes the interaction process simple and clear, and improves the user experience.
  • FIG. 1 is a flowchart of a method for obtaining an address of a video transmission management server according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a specific implementation manner of a method for obtaining an address of a video transmission management server according to an embodiment of the present invention
  • FIG. 3 is a structural diagram of a domain name DNS carrying a video transmission management server in a DHCP option using a dynamic host configuration protocol according to an embodiment of the present invention
  • FIG. 4 is a structural diagram of a specific example of carrying a domain name DNS of a video transmission management server in a DHCP option using a dynamic host configuration protocol according to an embodiment of the present invention
  • FIG. 5 is a structural diagram of a video transmission management server carrying an IP address in a DHCP option using a dynamic host configuration protocol according to an embodiment of the present invention
  • FIG. 6 is a structural diagram of a specific example of carrying a video transmission management server IP address in a DHCP option using a dynamic host configuration protocol according to an embodiment of the present disclosure
  • FIG. 7 is a schematic structural diagram of a system for acquiring an address of a video transmission management server according to an embodiment of the present disclosure
  • FIG. 8 is a schematic structural diagram of an apparatus for acquiring an address of a video transmission management server according to an embodiment of the present disclosure
  • FIG. 9 is a flowchart of a method for obtaining an address of a video transmission management server according to an embodiment of the present invention
  • FIG. 10 is a schematic structural diagram of an apparatus for acquiring an address of a video transmission management server according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for obtaining an address of a video transmission management server according to an embodiment of the present invention, where the method includes:
  • Step S100 Send a request message for acquiring location information of the video transmission management server to the host parameter configuration server, where the video transmission management server is a packet error retransmission repair server (ARQ Server), a fast channel switching server (FCC Server), or One or more arbitrary combinations of forward error correction servers (FEC Servers); the host parameter configuration server is a dynamic host configuration protocol server DHCP Server, or a point-to-point protocol server PPP
  • ARQ Server packet error retransmission repair server
  • FCC Server fast channel switching server
  • FEC Servers One or more arbitrary combinations of forward error correction servers (FEC Servers)
  • the host parameter configuration server is a dynamic host configuration protocol server DHCP Server, or a point-to-point protocol server PPP
  • the video transmission management server location information includes: a domain name of the video transmission management server, or an IP address of the video transmission management server.
  • the request message for obtaining the location information of the video transmission management server to the host parameter configuration server specifically includes:
  • the request for acquiring the location information of the video transmission management server is sent to the host parameter configuration by being carried in an extended dynamic host configuration protocol DHCP request message, or a point-to-point-Internet Protocol Control Protocol PPP IPCP request message.
  • Server DHCP Server for DHCP protocol, PPP Server for PPP protocol.
  • the video transmission management server location information is the video transmission management server location information selected by the host parameter configuration server according to the location of the user terminal access and/or the load condition of the video transmission management server.
  • the method further includes:
  • the video transmission management server is tested for normal operation based on the video transmission management server location information.
  • the request message for obtaining the location information of the video transmission management server is sent to the host parameter configuration server; the response message returned by the host parameter configuration server is received, and the video transmission management is obtained.
  • the server location information solves the problem that the configuration server is additionally introduced in the prior art solution, the interaction process is complex, the configuration workload is large, the maintenance cost is high, and the potential node failure risk is high, thereby making the interaction process simple and clear, and improving the user's The degree of experience.
  • FIG. 2 is a flowchart of a specific implementation manner of a method for obtaining an address of a video transmission management server according to an embodiment of the present invention.
  • the method can be used for various user terminals, such as a user set top box STB.
  • the following host parameter configuration server includes: a dynamic host configuration protocol server DHCP server, or a point-to-point protocol server PPP Server.
  • a host parameter configuration server is used as a DHCP server as an example for detailed description, but the flow also applies to The host parameter configuration server is the case of PPP Server.
  • Step S200 After the user terminal is powered on, broadcast a DHCP Discover message to the dynamic host configuration protocol server DHCP Server, requesting the specified host parameters such as a DNS server, a TFTP server or a host IP address, a gateway address, and the like, and requesting to obtain a video. Transmitting management server location information; wherein the parameter request list option parameter request list option in the message carries a specified option option identifier (such as 216) to request acquisition of video transmission management server location information.
  • a specified option option identifier such as 216
  • the video transmission management server is one or more arbitrary combinations of a packet error retransmission repair (ARQ) server, a fast channel switching (FCC) server, and a forward error correction (FEC) server; Dynamic Host Configuration Protocol Server (DHCP Server), or Point-to-Point Protocol Server (PPP Server).
  • ARQ packet error retransmission repair
  • FCC fast channel switching
  • FEC forward error correction
  • DHCP Server Dynamic Host Configuration Protocol Server
  • PPP Server Point-to-Point Protocol Server
  • the method of acquiring the location information of the video transmission management server by using the DHCP Discover message is only one method for obtaining the request message of the location information of the video transmission management server, and the obtaining may be performed by extending the PPP IPCP protocol in a similar manner.
  • the video transmission management server location request information is carried in the extended PPP IPCP protocol request message and sent to the PPP Server.
  • the DHCP protocol is used as an example.
  • a new option Option (such as the code identifier is 216) is extended to indicate that the location information of the video transmission management server is carried.
  • the Option is used to carry the location information of the video transmission management server.
  • the location information can be described in the form of a domain name, as shown in FIG.
  • FIG. 3 is a structural diagram of a domain name DNS carrying a video transmission management server in a DHCP option using a dynamic host configuration protocol according to an embodiment of the present invention.
  • the Code field represents: Extending the value of the option of the DHCP protocol Option, such as 216;
  • the Len field indicates: the length of the field n;
  • the enc field indicates: a different description manner for distinguishing the location information of the video transmission management server; when the value of the field is 0, the address of the video transmission management server is described in the form of a domain name; when the value of the field is 1 , indicating a form description using an IP address;
  • DNS name of video transmission management server The table does not describe the videoserver management DNS server domain name DNS information.
  • FIG. 4 is a structural diagram of a specific example of carrying a domain name DNS of a video transmission management server in a DHCP option using a dynamic host configuration protocol according to an embodiment of the present invention.
  • Figure 4 shows the domain name of the DHCP protocol with the extended option Option 216 and the length of 27 bytes with enc 0: example, com and example, net indicating the location information of the video transmission management server.
  • FIG. 5 is a structural diagram of a video transmission management server carrying an IP address in a DHCP option using a dynamic host configuration protocol according to an embodiment of the present invention:
  • the Code field represents: Extending the value of the option of the DHCP protocol Option, such as 216;
  • the Len field indicates: the length of the field n;
  • the enc field indicates: a different description manner for distinguishing the location information of the video transmission management server; when the value of the field is 0, the address of the video transmission management server is described in the form of a domain name; when the value of the field is 1 , indicating a form description using an IP address;
  • IPV4 Address of video transmission management server Table does not describe the video] 3 ⁇ 4 transmission management server IPv4 address information.
  • FIG. 6 is a structural diagram of a specific example of carrying a video transmission management server IP address in a DHCP option using a dynamic host configuration protocol according to an embodiment of the present invention.
  • Figure 6 shows the IP address format of the extension option Option 216 in the DHCP protocol, which is 5 bytes in length and enc is 1: 202. 101. 0. 1 indicates the location information of the video transmission management server.
  • Step S202 After receiving the DHCP Discover request carrying the Option identifier (for example, 216), the DHCP server carries the video transmission management server location information corresponding to the user terminal to the user terminal in the response message DHCP Offer.
  • the DHCP server After receiving the DHCP Discover request carrying the Option identifier (for example, 216), the DHCP server carries the video transmission management server location information corresponding to the user terminal to the user terminal in the response message DHCP Offer.
  • the host parameter configuration server may select the video transmission management server location information for the user terminal according to the location of the user terminal access and/or the load condition of the video transmission management server.
  • the response message returned by the DHCP server may carry one or more video transmission management server location information.
  • the DHCP server can also select a corresponding video transmission management server according to the access location of the STB, that is, select a board on the STB corresponding network device, such as a video distribution function (VDF) board, embedded value-added service.
  • VDF video distribution function
  • the video transmission management server of the video transmission enhancement service enables load balancing between different boards of the same network device, for example: arranging a corresponding video transmission management server according to the user's access location and dynamic address, facilitating the user and The corresponding network device is bound It may also be balanced between different boards according to the user access location.
  • two different STB user groups can be configured on the DHCP server to correspond to two different boards.
  • the Command Line Interface (CLI) configuration is not as follows:
  • Ip pool 10 10. 1. 1. 0 255. 255. 255. 0 vdf 172. 1. 1. 1 match vlan — id 100 ⁇ 600 ip pool 10. 1. 2. 0 255. 255. 255. 0 vdf 172. 1. 1. 2 match vlan—id 700 to 1200 where the address pool indicates the IP address segment to be assigned to the STB, such as the 10.1. 1. 0 network segment (the mask is
  • match part indicates the STB identifier corresponding to the address pool.
  • the example here is identified by Vlan-ID; where VDF is the address of the VDF board that corresponds to the address pool.
  • Step S204 The user terminal sends a DHCP Request request to the selected DHCP server, where the request carries an identifier option value of 216.
  • the responding DHCP Ack message carries the corresponding video transmission management server location information (such as the domain name or IP address of the video transmission management server), that is, the corresponding Option content.
  • Step S208 After obtaining the address information of the video transmission management server, the user terminal tests whether the server works normally.
  • Step S210 If it works normally, select an appropriate video transmission management server location information.
  • Step S212 otherwise generating an alarm message and sending it to the DHCP Server server for processing.
  • the DHCP Discover message in step S200 and the DHCP Request message in step S204 only carry the specified option identifier; and the Option content, that is, the Option field shown in FIG. 3-6 is in step S202.
  • the DHCP Offer message is carried in the Ack message in step S206.
  • the request message for obtaining the location information of the video transmission management server is sent to the host parameter configuration server; the response message returned by the DHCP server is received, and the video transmission management is obtained.
  • the server location information solves the problem that the configuration server is additionally introduced in the prior art solution, the interaction process is complicated, the configuration workload is large, the maintenance cost is high, and the potential node failure risk is high, and the configuration server is not required to be additionally introduced, and the interaction process is simple. Clear, reduce the risk of additional introduction of node failure, and easily arrange the corresponding video transmission management server according to the user's access location and dynamic address, which is convenient for binding the user and the corresponding network device, or according to the user access location. Balance between different boards.
  • FIG. 7 is a schematic structural diagram of a system for obtaining an address of a video transmission management server according to an embodiment of the present invention.
  • a system for obtaining a video transmission management server address includes:
  • the user terminal 700 is configured to send a request message for acquiring location information of the video transmission management server to the host parameter configuration server, receive a response message returned by the host parameter configuration server, and obtain location information of the video transmission management server; wherein the video
  • the transmission management server is any one or more arbitrary combinations of the error packet retransmission repair server (ARQ Server), the fast channel switching server (FCC Server), or the forward error correction server (FEC Server).
  • the host parameter configuration server 702 is configured to receive a request message for acquiring the location information of the video transmission management server sent by the user terminal, and obtain a location information of the video transmission management server according to the request message, and return a response message to the user terminal, where
  • the host parameter configuration server is a dynamic host configuration protocol server DHCP server, or a point-to-point protocol server PPP Server 0
  • the host parameter configuration server 702 is further configured to receive the confirmation message sent by the user terminal, and return the corresponding confirmation message to the user terminal.
  • the user terminal 700 is further configured to test whether the video transmission management server works normally according to the video transmission management server location information. If the video transmission management server works normally, the appropriate video transmission management server location information is selected; otherwise, an alarm message is generated and sent to the host parameter configuration server for processing.
  • the location information of the video transmission management server includes: a domain name of the video transmission management server, or an IP address of the video transmission management server.
  • the video transmission management server location information is the video transmission management server location information selected by the host parameter configuration server according to the location of the user terminal access and/or the load condition of the video transmission management server.
  • the request message for obtaining the location information of the video transmission management server is carried in the extended dynamic host configuration protocol DHCP protocol request message or the point-to-point Internet Protocol Control Protocol PPP IPCP request message.
  • the DHCP protocol is used as an example, and a new option Option (such as code identifier 216) is extended in the DHCP protocol to indicate that the location information of the video transmission management server is carried.
  • the Option is used to carry the location information of the video transmission management server.
  • the system for obtaining the address of the video transmission management server provided by the foregoing embodiment of the present invention can be seen that the configuration server is additionally introduced in the prior art solution, and the interaction process is complicated, the configuration workload is large, and the maintenance overhead is high.
  • the problem of high node failure risk is high, and no additional configuration server is introduced.
  • the interaction process is simple and clear, the risk of additional introduction node failure is reduced, and the corresponding video transmission management server is easily arranged according to the user's access location and dynamic address. It is convenient to bind the user to the corresponding network device, and can also be balanced between different boards according to the user access location.
  • FIG. 8 is a schematic structural diagram of an apparatus for obtaining an address of a video transmission management server according to an embodiment of the present invention.
  • the device 80 for obtaining the address of the video transmission management server includes: a sending unit 802, configured to send a request message for acquiring location information of the video transmission management server to the host parameter configuration server, where the video transmission
  • the management server is one or more arbitrary combinations of the error packet retransmission repair server (ARQ Server), the fast channel switching server (FCC Server) or the forward error correction server (FEC Server);
  • the host parameter configuration server is dynamic Host configuration protocol server DHCP Server, or point-to-point protocol server PPP Server;
  • the receiving unit 804 is configured to receive the response message returned by the host parameter configuration server, and obtain the video transmission management server location information.
  • the response message carries the video transmission management server location information required by the user terminal.
  • the request message for obtaining the location information of the video transmission management server is carried in the extended dynamic host configuration protocol DHCP protocol request message or the point-to-point Internet Protocol Control Protocol PPP IPCP request message.
  • the device further includes: a testing unit 806, configured to test whether the video transmission management server works normally according to the video transmission management server location information.
  • the processing unit 808 is configured to process according to the test result of the test unit.
  • the location information of the video transmission management server includes: a domain name of the video transmission management server, or an IP address of the video transmission management server.
  • the device for obtaining the address of the video transmission management server provided by the foregoing embodiment of the present invention can be seen that the configuration server is additionally introduced in the prior art solution, and the interaction process is complicated, the configuration workload is large, and the maintenance overhead is high.
  • the problem of high node failure risk makes the interaction process simple and clear, and improves the user experience.
  • FIG. 9 is a flowchart of a method for obtaining an address of a video transmission management server according to an embodiment of the present invention, where the method includes:
  • Step S900 The host parameter configuration server receives a request message for acquiring location information of the video transmission management server sent by the user terminal, where the video transmission management server is a packet error retransmission repair server (ARQ Server) and a fast channel switching server (FCC Server). Or any combination of one or more of the Forward Error Correction Server (FEC Server).
  • the host parameter configuration server is a dynamic host configuration protocol server DHCP Server or a point-to-point protocol server PPP Server
  • the video transmission management server location information includes: a domain name of the video transmission management server, or an IP address of the video transmission management server.
  • the request for acquiring the location information of the video transmission management server is carried in the extended dynamic host configuration protocol DHCP request message, or the point-to-point-Internet Protocol Control Protocol PPP IPCP request message.
  • the server is sent to the host parameter configuration server (for the DHCP protocol, the DHCP server, and for the PPP protocol, the PPP server).
  • Step S902 The host parameter configuration server obtains the location information of the video transmission management server according to the request message, and returns a response message to the user terminal, where the response message includes location information of the video transmission management server.
  • the host parameter configuration server may further select the video transmission management server location information for the user terminal according to the location of the user terminal access and/or the load condition of the video transmission management server.
  • the request message for acquiring the location information of the video transmission management server sent by the user terminal is received, and the location information of the video transmission management server is obtained according to the request message, and the response is returned.
  • the message is sent to the user terminal, and the response message includes the location information of the video transmission management server, which solves the problem that the configuration server is additionally introduced in the prior art solution, and the interaction process is complicated, the configuration workload is large, the maintenance cost is high, and the potential node is The problem of high risk of failure makes the interaction process simple and clear, and improves the user experience.
  • FIG. 10 is a schematic structural diagram of an apparatus for acquiring an address of a video transmission management server according to an embodiment of the present invention.
  • the device includes:
  • the receiving unit 1002 is configured to receive, by the user terminal, a request message for acquiring location information of the video transmission management server, where the video transmission management server is a packet error retransmission repair server (ARQ Server), a fast channel switching server (FCC Server), or a front Any combination of one or more of the error correction servers (FEC Server).
  • ARQ Server packet error retransmission repair server
  • FCC Server fast channel switching server
  • FEC Server front Any combination of one or more of the error correction servers
  • the returning unit 1004 is configured to: after obtaining the video transmission management server location information according to the request message, return a response message to the user terminal, where the response message includes the video transmission management server location information.
  • the location information of the video transmission management server includes: a domain name of the video transmission management server, or an IP address of the video transmission management server.
  • the device can also include:
  • a selecting unit configured to select the video transmission management server location information for the user terminal according to the location of the user terminal access and/or the load condition of the video transmission management server.
  • the device for obtaining the address of the video transmission management server provided by the embodiment of the present invention solves the problem of additionally introducing the configuration server in the prior art solution, and the interaction process is complicated, the configuration workload is large, the maintenance cost is high, and the potential node failure risk is The high problem makes the interaction process simple and clear, which improves the user experience.

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Description

一种获取视频传输管理服务器地址的方法和装置
本申请要求于 2009年 3月 31 日提交中国专利局、 申请号为 200910106432. X、 发 明名称为 "一种获取视频传输管理服务器地址的方法、系统和装置"的中国专利申请的 优先权, 其全部内容通过引用结合在本申请中。 技术领域 本发明涉及通信领域的网络技术,具体指一种获取视频传输管理服务器地址的方法 和装置。 背景技术 在 IPTV业务中,考虑到由于接入线路噪音、 频道切换导致的报文丢失或错漏会严 重降低用户视觉体验,往往需要部署视频传输管理服务器来提升用户体验,这些视频传输 管理服务器提供丢错包重传修复 (ARQ)、 快速频道切换 (FCC)关键信息快速推送、 应用 层前向纠错 (FEC)等服务。 为降低用户机顶盒 (STB)和视频传输管理服务器之间的流量, 这些视频传输管理服 务器常常被集成到接近用户的网络设备上, 例如: 将边缘路由器、城域传输设备、接入 设备 (如 OLT、 DSLAM), 视频传输管理服务器等集成到网络设备上, 视频传输管理服 务器集成到网络设备意味着一个网络设备下游的所有用户共享同一个视频传输管理服 务器, 不同网络设备下的用户使用不同的视频传输管理服务器, 用户 STB需要了解对 应的视频传输管理服务器的地址以便与其通讯。 现有用户机顶盒 STB获取视频传输管理服务器地址的技术方案为:对 STB启动后, 首先通过自动主机配置协议服务器 DHCP服务器获取所在域后缀,然后加上嵌入到 STB 软件中硬编码的前缀组合成频道配置服务器 (如 EPG Server)的域名, 接着使用 DNS解 析机制得到对应该域名的频道配置服务器 IP地址,最后 STB使用实时流传输协议 (Real Time Streaming Protocol, RTSP ) 从频道配置服务器请求得到视频传输管理服务器的地 址。 在实现本发明过程中, 发明人发现现有技术中至少存在如下问题: 现有技术方案中通过 RTSP协议和频道配置服务器交互获取视频传输管理服务器 IP 地址, 这种方法实现起来复杂, 且必须依赖频道配置服务器完成交互流程, 增加了 潜在的节点故障风险点,并且频道配置服务器仅了解频道信息,不了解用户接入的位置, 难以根据用户的接入位置和动态的地址安排对应的视频传输管理服务器。而且,考虑到 IPTV的海量用户, 对频道配置服务器的配置工作量将非常巨大, 维护开销将非常高。 发明内容
有鉴于此, 本发明实施例的主要目的在于提供一种获取视频传输管理服务器地址 的方法、系统及装置,使其通过在获取动态主机配置参数的过程中自动获取视频传输管 理地址, 无需额外引入配置服务器, 且交互流程简单, 成本低, 从而大大提高了用户体 验程度。
为实现上述目的, 本发明实施例提供如下的技术方案:
一种获取视频传输管理服务器地址的方法, 所述方法包括:
发送获取视频传输管理服务器位置信息的请求消息给主机参数配置服务器;接收所 述主机参数配置服务器返回的应答消息,获取所述视频传输管理服务器位置信息;其中, 所述视频传输管理服务器为丢错包重传修复服务器 (ARQ Server), 快速频道切换服务器 (FCC Server)或前向纠错服务器 (FEC Server)的一种或多种任意组合;所述主机参数配置 服务器为动态主机配置协议服务器 DHCP Server, 或点到点协议服务器 PPP Server。
一种获取视频传输管理服务器地址的系统, 所述系统包括:
用户终端,用于发送获取视频传输管理服务器位置信息的请求消息给主机参数配置 服务器,接收所述主机参数配置服务器返回的应答消息,获取所述视频传输管理服务器 位置信息; 其中, 所述视频传输管理服务器为丢错包重传修复服务器 (ARQ Server)、 快 速频道切换服务器 (FCC Server)或前向纠错服务器 (FEC Server)的一种或多种任意组合; 主机参数配置服务器,用于接收所述用户终端发送的获取视频传输管理服务器位置 信息的请求消息, 根据所述请求消息, 获取视频传输管理服务器位置信息后, 返回应答 消息给用户终端; 其中, 所述主机参数配置服务器为动态主机配置协议服务器 DHCP Server、 或点到点协议服务器 PPP Server。
一种获取视频传输管理服务器地址的装置, 所述装置包括:
发送单元,用于发送获取视频传输管理服务器位置信息的请求消息给主机参数配置 服务器; 其中, 所述视频传输管理服务器为丢错包重传修复服务器 (ARQ Server)、 快速 频道切换服务器 (FCC Server)或前向纠错服务器 (FEC Server)的一种或多种任意组合;所 述主机参数配置服务器为动态主机配置协议服务器 DHCP Server,或点到点协议服务器 PPP Server;
接收单元,用于接收所述主机参数配置服务器返回的应答消息,获取所述视频传输 管理服务器位置信息。
由上述本发明的实施例提供的具体实施方案可以看出,通过发送获取视频传输管理 服务器位置信息的请求消息给主机参数配置服务器;接收所述主机参数配置服务器返回 的应答消息, 获取所述视频传输管理服务器位置信息; 其中, 所述应答消息中携带了用 户终端所需的视频传输管理服务器位置信息,解决了现有技术方案中额外引入配置服务 器, 且交互流程复杂, 配置工作量大, 维护开销高, 潜在的节点故障风险高的问题, 从 而使得交互流程简单清晰, 提高了用户的体验程度。 附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有 技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本 发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动性的前提下, 还可以根据这些附图获得其他的附图。
图 1为本发明实施例中提供的一种获取视频传输管理服务器地址的方法流程图; 图 2为本发明实施例中提供的一种获取视频传输管理服务器地址的方法具体实现方 式流程图;
图 3为本发明实施例中提供的一种使用动态主机配置协议 DHCP选项中携带视频传输 管理服务器域名 DNS的结构图;
图 4为本发明实施例中提供的一种使用动态主机配置协议 DHCP选项中携带视频传输 管理服务器域名 DNS的具体实例结构图;
图 5为本发明实施例中提供的一种使用动态主机配置协议 DHCP选项中携带视频传输 管理服务器 IP地址的结构图;
图 6为本发明实施例中提供的一种使用动态主机配置协议 DHCP选项中携带视频传输 管理服务器 IP地址的具体实例结构图; 图 7为本发明实施例中提供的一种获取视频传输管理服务器地址的系统结构示意 图;
图 8为本发明实施例中提供的一种获取视频传输管理服务器地址的装置结构示意 图;
图 9为本发明实施例中提供的一种获取视频传输管理服务器地址的方法流程图; 图 10为本发明实施例中提供的一种获取视频传输管理服务器地址的装置结构示意 图。 具体实施方式 为使本发明实施例的上述目的、特征和优点能够更加明显易懂,下面结合附图和具 体实施方式对本发明实施例作进一步详细的说明。
应当明确, 所描述的实施例仅仅是本发明一部分实施例, 而不是全部的实施例。基 于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有 其他实施例, 都属于本发明保护的范围。
如图 1所示,图 1本发明实施例中提供的一种获取视频传输管理服务器地址的方法流 程图, 所述方法包括:
步骤 S100、发送获取视频传输管理服务器位置信息的请求消息给主机参数配置服务 器; 其中, 所述视频传输管理服务器为丢错包重传修复服务器 (ARQ Server)、 快速频道 切换服务器 (FCC Server)或前向纠错服务器 (FEC Server)的一种或多种任意组合; 所述 主机参数配置服务器为动态主机配置协议服务器 DHCP Server,或点到点协议服务器 PPP
Server。
所述视频传输管理服务器位置信息包括:所述视频传输管理服务器的域名,或者所 述视频传输管理服务器的 IP地址。
所述获取视频传输管理服务器位置信息的请求消息给主机参数配置服务器具体包 括:
其中,所述获取视频传输管理服务器位置信息的请求通过携带在扩展后的动态主机 配置协议 DHCP请求消息, 或者, 点到点-因特网协议控制协议 PPP IPCP请求消息中, 发 送给所述主机参数配置服务器(对于 DHCP协议是 DHCP Server, 对于 PPP协议则是 PPP Server)。 步骤 S102、接收所述主机参数配置服务器返回的应答消息,获取所述视频传输管理 服务器位置信息。
所述视频传输管理服务器位置信息为所述主机参数配置服务器根据用户终端接入 的位置, 和 /或视频传输管理服务器的负载情况为用户终端选择的所述视频传输管理服 务器位置信息。
所述方法还包括:
根据所述视频传输管理服务器位置信息,测试所述视频传输管理服务器是否正常工 作。
由上述本发明的实施例提供的具体实施方案可以看出,通过发送获取视频传输管理 服务器位置信息的请求消息给主机参数配置服务器;接收主机参数配置服务器返回的应 答消息,获取所述视频传输管理服务器位置信息,解决了现有技术方案中额外引入配置 服务器,且交互流程复杂,配置工作量大,维护开销高,潜在的节点故障风险高的问题, 从而使得交互流程简单清晰, 提高了用户的体验程度。
请参见图 2,图 2为本发明实施例中提供的一种获取视频传输管理服务器地址的方法 的具体实现方式流程图。 该方法可用于各种用户终端, 例如用户机顶盒 STB。
下面主机参数配置服务器包括: 动态主机配置协议服务器 DHCP Server, 或者是点 到点协议服务器 PPP Server, 下面的实施例中以主机参数配置服务器为 DHCP Server为 例进行详细描述, 但是本流程也适用于主机参数配置服务器为 PPP Server的情况。
步骤 S200、 用户终端开机上电后, 广播发送 DHCP Discover消息给动态主机配置协 议服务器 DHCP Server, 用以请求指定的主机参数如 DNS Server, TFTP Server或主机 IP 地址、 网关地址等, 并请求获取视频传输管理服务器位置信息; 其中所述消息中的参数 请求列表选项 parameter request list option携带指定的选项 option标识(如 216)以请 求获取视频传输管理服务器位置信息。
所述视频传输管理服务器为丢错包重传修复 (ARQ)服务器、快速频道切换 (FCC)服务 器、 前向纠错 (FEC)服务器的一种或多种任意组合; 所述主机参数配置服务器为动态主 机配置协议服务器 (DHCP Server) , 或点到点协议服务器 (PPP Server)。
其中通过 DHCP Discover消息携带获取所述视频传输管理服务器的位置信息仅为获 取视频传输管理服务器位置信息的请求消息的一种方式, 还可以通过类似的方式, 通 过扩展 PPP IPCP协议, 将所述获取视频传输管理服务器位置请求信息携带在扩展后的 PPP IPCP协议请求消息中发送给 PPP Server。 这里以 DHCP协议为例, 在 DHCP协议中扩展一个新的选项 Option (如 code标识为 216) 以表明携带获取视频传输管理服务器位置信息,这个 Option用以携带视频传输管理服务 器的位置信息, 所述位置信息可以采用域名的形式描述, 例如如图 3所示。
图 3为本发明实施例中提供的一种使用动态主机配置协议 DHCP选项中携带视频传输 管理服务器域名 DNS的结构图。
其中, 图 3中的结构图中:
Code字段代表: 扩展 DHCP协议的选项 Option的值, 例如 216等;
Len字段表示: 该字段的长度 n;
enc字段表示: 用于区分所述视频传输管理服务器的位置信息不同描述方式; 当该字段的值为 0, 表示采用域名的形式描述所述视频传输管理服务器的地址; 当 该字段的值为 1, 表示采用 IP地址的形式描述;
DNS name of video transmission management server: 表不所述视步员传输管理月艮 务器域名 DNS信息。
其具体的使用动态主机配置协议 DHCP选项中携带视频传输管理服务器域名 DNS的具 体实例结构图如图 4所示。
图 4为本发明实施例中提供的一种使用动态主机配置协议 DHCP选项中携带视频传输 管理服务器域名 DNS的具体实例结构图。 图 4表示 DHCP协议中扩展选项 Option为 216, 长 度为 27Byte的以 enc为 0的域名形式: example, com和 example, net表示所述视频传输管 理服务器的位置信息。
图 5为本发明实施例中提供的一种使用动态主机配置协议 DHCP选项中携带视频传输 管理服务器 IP地址的结构图:
Code字段代表: 扩展 DHCP协议的选项 Option的值, 例如 216等;
Len字段表示: 该字段的长度 n;
enc字段表示: 用于区分所述视频传输管理服务器的位置信息不同描述方式; 当该字段的值为 0, 表示采用域名的形式描述所述视频传输管理服务器的地址; 当 该字段的值为 1, 表示采用 IP地址的形式描述;
IPV4 Address of video transmission management server: 表不所述视步 ]¾传输管 理服务器 IPv4地址信息。
其具体的使用动态主机配置协议 DHCP选项中携带视频传输管理服务器 IP地址信息 的具体实例结构图如图 6所示。 图 6为本发明实施例中提供的一种使用动态主机配置协议 DHCP选项中携带视频传输 管理服务器 IP地址的具体实例结构图。图 6表示 DHCP协议中扩展选项 Option为 216,长度 为 5Byte的以 enc为 1的 IP地址形式: 202. 101. 0. 1表示所述视频传输管理服务器的位置信 息。
步骤 S202、 DHCP Server收到携带 Option标识 (例如 216 ) 的 DHCP Discover请求后, 在应答消息 DHCP Offer中携带与用户终端对应的视频传输管理服务器位置信息给用户 终端。
主机参数配置服务器可以根据用户终端接入的位置和 /或视频传输管理服务器的负 载情况为用户终端选择视频传输管理服务器位置信息。
其中所述 DHCP Server返回的应答消息中可以携带一个或多个视频传输管理服务器 位置信息。 DHCP Server还可以根据 STB的接入位置为其选择对应的视频传输管理服务 器,即选择 STB对应网络设备上的板卡, 例如视频分发功能 (video distribution function, VDF) 板卡、 内嵌的增值业务弓 I擎 ( inl ine value-added service engine, iVSE) 板卡、 高级视频业务模块 (Advanced Video Services Module, AVSM)板卡或其 他可以实现视频传输管理服务器功能的板卡, 作为为该 STB提供视频传输增强服务的视 频传输管理服务器,或者根据用户终端的接入位置, 以及当前多个视频传输管理服务器 的使用负载情况,为所述用户终端选择 STB对应网络设备上的板卡作为为该 STB提供视频 传输增强服务的视频传输管理服务器,使得在同一个网络设备的不同板卡之间实现负载 均衡, 例如: 根据用户的接入位置和动态的地址安排对应的视频传输管理服务器, 便于 将用户和对应的网络设备绑定起来, 也可以按照用户接入位置在不同的板卡之间均衡。 如可在 DHCP Server上配置两个不同的 STB用户群对应两个不同板卡, 命令行界面 ( Command Line Interface, CLI ) 配置不例:
ip dhcp server - 1
ip pool 10. 1. 1. 0 255. 255. 255. 0 vdf 172. 1. 1. 1 match vlan— id 100 〜 600 ip pool 10. 1. 2. 0 255. 255. 255. 0 vdf 172. 1. 1. 2 match vlan— id 700〜 1200 其中地址池表示待分配给 STB的 IP地址段, 如 10. 1. 1. 0网段 (掩码为
255. 255. 255. 0);其中 match部分指明对应该地址池的 STB标识,这里示例是采用 Vlan-ID 来标识的; 其中 VDF是指明对应该地址池的 VDF板卡地址。
步骤 S204、 用户终端向选定的 DHCP Server发送 DHCP Request请求,该请求携带标识 option 值为 216。 步骤 S206、 DHCP Server收到携带 option标识 216的 Request请求后,响应 Ack消息给 用户终端。 在应答的 DHCP Ack消息中携带对应视频传输管理服务器位置信息 (如视频传 输管理服务器的域名或 IP地址),即对应的 Option内容。
步骤 S208、 用户终端得到视频传输管理服务器地址信息后,测试该服务器是否正常 工作。
步骤 S210、 若正常工作, 则选择合适的视频传输管理服务器位置信息。
步骤 S212、 否则产生报警信息并发送给 DHCP Server服务器处理。
本领域普通技术人员可以理解, 上述步骤 S200中的 DHCP Discover与步骤 S204中的 DHCP Request消息中,仅携带指定的 option标识;而 Option内容即图 3-6中展示的 Option 字段在步骤 S202中的 DHCP Offer消息与步骤 S206中的 Ack消息中携带。
由上述本发明的实施例提供的具体实施方案可以看出,通过发送获取视频传输管理 服务器位置信息的请求消息给主机参数配置服务器; 接收所述 DHCP Server返回的应答 消息,获取所述视频传输管理服务器位置信息,解决了现有技术方案中额外引入配置服 务器, 且交互流程复杂, 配置工作量大, 维护开销高, 潜在的节点故障风险高的问题, 且无需额外引入了配置服务器, 交互流程简单清晰, 降低了额外引入节点故障风险点, 并且易于根据用户的接入位置和动态的地址安排对应的视频传输管理服务器,便于将用 户和对应的网络设备绑定起来, 也可以按照用户接入位置在不同的板卡之间均衡。
请参见图 7,图 7为本发明实施例中提供的一种获取视频传输管理服务器地址的系统 结构示意图。
一种获取视频传输管理服务器地址的系统包括:
用户终端 700, 用于发送获取视频传输管理服务器位置信息的请求消息给主机参数 配置服务器,接收所述主机参数配置服务器返回的应答消息,获取所述视频传输管理服 务器位置信息;其中,所述视频传输管理服务器为丢错包重传修复服务器 (ARQ Server)、 快速频道切换服务器 (FCC Server)或前向纠错服务器 (FEC Server)的一种或多种任意组 合。
主机参数配置服务器 702, 用于接收所述用户终端发送的获取视频传输管理服务器 位置信息的请求消息, 根据所述请求消息, 获取视频传输管理服务器位置信息后, 返回 应答消息给用户终端,其中,所述主机参数配置服务器为动态主机配置协议服务器 DHCP Server, 或点到点协议服务器 PPP Server 0 所述主机参数配置服务器 702, 还用于接收所述用户终端发送的所述确认消息, 并 返回所述相应的确认消息给所述用户终端。
所述用户终端 700还用于, 根据所述视频传输管理服务器位置信息, 测试所述视频 传输管理服务器是否正常工作。若所述视频传输管理服务器正常工作,则选择合适的视 频传输管理服务器位置信息; 否则产生报警信息并发送给主机参数配置服务器处理。
其中, 所述视频传输管理服务器位置信息包括: 视频传输管理服务器的域名, 或者 视频传输管理服务器的 IP地址。
所述视频传输管理服务器位置信息为所述主机参数配置服务器根据用户终端接入 的位置, 和 /或视频传输管理服务器的负载情况为用户终端选择的所述视频传输管理服 务器位置信息。
所述获取视频传输管理服务器位置信息的请求消息携带在扩展后的动态主机配置 协议 DHCP协议请求消息, 或者, 点到点因特网协议控制协议 PPP IPCP请求消息中。
具体为: 这里以 DHCP协议为例, 在 DHCP协议中扩展一个新的选项 Option (如 code标 识为 216)以表明携带获取视频传输管理服务器位置信息,这个 Option用以携带视频传输 管理服务器的位置信息,具体的结构图可以参见图 3至图 6,具体的描述信息可以参照实 施例二的描述, 这里就不再详细描述。
由上述本发明的实施例提供的一种获取视频传输管理服务器地址的系统可以看出, 解决了现有技术方案中额外引入配置服务器, 且交互流程复杂, 配置工作量大, 维护开 销高, 潜在的节点故障风险高的问题, 且无需额外引入了配置服务器, 交互流程简单清 晰, 降低了额外引入节点故障风险点, 并且易于根据用户的接入位置和动态的地址安排 对应的视频传输管理服务器,便于将用户和对应的网络设备绑定起来, 也可以按照用户 接入位置在不同的板卡之间均衡。
请参见图 8,图 8为本发明实施例中提供的一种获取视频传输管理服务器地址的装置 结构示意图。
—种获取视频传输管理服务器地址的装置 80, 其特征在于, 所述装置包括: 发送单元 802, 用于发送获取视频传输管理服务器位置信息的请求消息给主机参数 配置服务器, 其中, 所述视频传输管理服务器为丢错包重传修复服务器 (ARQ Server) , 快速频道切换服务器 (FCC Server)或前向纠错服务器 (FEC Server)的一种或多种任意组 合; 所述主机参数配置服务器为动态主机配置协议服务器 DHCP Server, 或点到点协议 服务器 PPP Server; 接收单元 804, 用于接收所述主机参数配置服务器返回的应答消息, 获取所述视频 传输管理服务器位置信息;其中,所述应答消息中携带了用户终端所需的视频传输管理 服务器位置信息。
所述获取视频传输管理服务器位置信息的请求消息携带在扩展后的动态主机配置 协议 DHCP协议请求消息, 或者, 点到点因特网协议控制协议 PPP IPCP请求消息中。
当所述用户终端接收到视频传输管理服务器位置信息后, 所述装置还包括: 测试单元 806, 用于根据所述视频传输管理服务器位置信息, 测试所述视频传输管 理服务器是否正常工作。
处理单元 808, 用于根据测试单元的测试结果进行处理。
若正常工作,则选择合适的视频传输管理服务器位置信息; 否则产生报警信息并发 送给 DHCP Server服务器处理。
其中, 所述视频传输管理服务器位置信息包括: 视频传输管理服务器的域名, 或者 视频传输管理服务器的 IP地址。
由上述本发明的实施例提供的一种获取视频传输管理服务器地址的装置可以看出, 解决了现有技术方案中额外引入配置服务器, 且交互流程复杂, 配置工作量大, 维护开 销高, 潜在的节点故障风险高的问题, 从而使得交互流程简单清晰, 提高了用户的体验 程度。
如图 9所示,图 9为本发明实施例中提供的一种获取视频传输管理服务器地址的方法 流程图, 所述方法包括:
步骤 S900、主机参数配置服务器接收用户终端发送的获取视频传输管理服务器位置 信息的请求消息, 所述视频传输管理服务器为丢错包重传修复服务器 (ARQ Server)、 快 速频道切换服务器 (FCC Server)或前向纠错服务器 (FEC Server)的一种或多种任意组 合。 所述主机参数配置服务器为动态主机配置协议服务器 DHCP Server或点到点协议服 务器 PPP Server
所述视频传输管理服务器位置信息包括:所述视频传输管理服务器的域名,或者所 述视频传输管理服务器的 IP地址。
其中,所述获取视频传输管理服务器位置信息的请求通过携带在扩展后的动态主机 配置协议 DHCP请求消息, 或者, 点到点-因特网协议控制协议 PPP IPCP请求消息中, 发 送给所述主机参数配置服务器(对于 DHCP协议是 DHCP Server, 对于 PPP协议则是 PPP Server)。
步骤 S902、主机参数配置服务器根据所述请求消息,获取视频传输管理服务器位置 信息后,返回应答消息给所述用户终端,所述应答消息包括所述视频传输管理服务器位 置信息。
在步骤 S902之前, 主机参数配置服务器还可以根据用户终端接入的位置和 /或视频 传输管理服务器的负载情况为用户终端选择视频传输管理服务器位置信息。
由上述本发明的实施例提供的具体实施方案可以看出,通过接收用户终端发送的获 取视频传输管理服务器位置信息的请求消息;根据所述请求消息,获取视频传输管理服 务器位置信息后,返回应答消息给所述用户终端,所述应答消息包括所述视频传输管理 服务器位置信息, 解决了现有技术方案中额外引入配置服务器, 且交互流程复杂, 配置 工作量大, 维护开销高, 潜在的节点故障风险高的问题, 从而使得交互流程简单清晰, 提高了用户的体验程度。
请参见图 10,图 10为本发明实施例中提供的一种获取视频传输管理服务器地址的装 置结构示意图。 该装置包括:
接收单元 1002,于接收用户终端发送的获取视频传输管理服务器位置信息的请求消 息, 所述视频传输管理服务器为丢错包重传修复服务器 (ARQ Server)、 快速频道切换服 务器 (FCC Server)或前向纠错服务器 (FEC Server)的一种或多种任意组合。
返回单元 1004, 用于根据所述请求消息, 获取视频传输管理服务器位置信息后, 返 回应答消息给用户终端, 所述应答消息包括所述视频传输管理服务器位置信息。
其中, 所述视频传输管理服务器位置信息包括: 视频传输管理服务器的域名, 或者 视频传输管理服务器的 IP地址。
该装置还可以包括:
选择单元, 用于根据所述用户终端接入的位置和 /或视频传输管理服务器的负载情 况为所述用户终端选择所述视频传输管理服务器位置信息。
上述本发明的实施例提供的一种获取视频传输管理服务器地址的装置,解决了现有 技术方案中额外引入配置服务器, 且交互流程复杂, 配置工作量大, 维护开销高, 潜在 的节点故障风险高的问题, 从而使得交互流程简单清晰, 提高了用户的体验程度。
以上所述, 仅为本发明较佳的具体实施方式, 但本发明的保护范围并补局限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易想到的变化或替 换, 都应该涵盖在本发明的保护范围之内。 因此, 本发明的保护范围应该以权利要求的 保护范围为准。

Claims

权利 要 求
1、 一种获取视频传输管理服务器地址的方法, 其特征在于, 所述方法包括: 发送获取视频传输管理服务器位置信息的请求消息给主机参数配置服务器; 其中, 所述视频传输管理服务器为丢错包重传修复服务器 (ARQ Server)、快速频道切换服务器 (FCC Server)或前向纠错服务器 (FEC Server)的一种或多种任意组合; 所述主机参数配 置服务器为动态主机配置协议服务器 DHCP Server或点到点协议服务器 PPP Server;
接收所述主机参数配置服务器返回的应答消息,获取所述视频传输管理服务器位置 信息。
2、根据权利要求 1所述的方法, 其特征在于, 所述视频传输管理服务器位置信息包 括:
所述视频传输管理服务器的域名, 或者所述视频传输管理服务器的 IP地址。
3、根据权利要求 1所述的方法, 其特征在于, 所述发送获取视频传输管理服务器位 置信息的请求消息给主机参数配置服务器具体包括:
将所述获取视频传输管理服务器位置信息的请求携带在扩展后的动态主机配置协 议 DHCP请求消息, 或者, 点到点协议因特网协议控制协议 PPP IPCP请求消息中, 发送给 主机参数配置服务器。
4、根据权利要求 1-3中任意一项所述的方法, 其特征在于, 所述视频传输管理服务 器位置信息为所述主机参数配置服务器根据用户终端接入的位置, 和 /或视频传输管理 服务器的负载情况为用户终端选择的所述视频传输管理服务器位置信息。
5、 一种获取视频传输管理服务器地址的方法, 其特征在于, 所述方法包括: 接收用户终端发送的获取视频传输管理服务器位置信息的请求消息, 所述视频传输 管理服务器为丢错包重传修复服务器 (ARQ Server)、 快速频道切换服务器 (FCC Server) 或前向纠错服务器 (FEC Server)的一种或多种任意组合;
根据所述请求消息,获取视频传输管理服务器位置信息后,返回应答消息给所述用 户终端, 所述应答消息包括所述视频传输管理服务器位置信息。
6、根据权利要求 5所述的方法, 其特征在于, 所述视频传输管理服务器位置信息包 括:
所述视频传输管理服务器的域名, 或者所述视频传输管理服务器的 IP地址。
7、 根据权利要求 5或 6所述的方法, 其特征在于, 在所述返回应答消息给所述用户 终端之前, 还包括: 根据所述用户终端接入的位置和 /或视频传输管理服务器的负载情况为所述用户终 端选择所述视频传输管理服务器位置信息。
8、 一种获取视频传输管理服务器地址的装置, 其特征在于, 所述装置包括: 接收单元,用于接收用户终端发送的获取视频传输管理服务器位置信息的请求消息, 所述视频传输管理服务器为丢错包重传修复服务器 ARQ、快速频道切换服务器 FCC或前向 纠错服务器 FEC的一种或多种任意组合;
返回单元, 用于根据所述请求消息, 获取视频传输管理服务器位置信息后, 返回应 答消息给用户终端, 所述应答消息包括所述视频传输管理服务器位置信息。
9、根据权利要求 8所述的装置, 其特征在于, 所述视频传输管理服务器位置信息包 括:
所述视频传输管理服务器的域名, 或者所述视频传输管理服务器的 IP地址。
10、 根据权利要求 8所述的装置, 其特征在于, 还包括:
选择单元, 用于根据所述用户终端接入的位置和 /或视频传输管理服务器的负载情 况为所述用户终端选择所述视频传输管理服务器位置信息。
11、 一种获取视频传输管理服务器地址的装置, 其特征在于, 所述装置包括: 发送单元,用于发送获取视频传输管理服务器位置信息的请求消息给主机参数配置 服务器; 其中, 所述视频传输管理服务器为丢错包重传修复服务器 (ARQ Server)、 快速 频道切换服务器 (FCC Server)或前向纠错服务器 (FEC Server)的一种或多种任意组合; 所述主机参数配置服务器为动态主机配置协议服务器 DHCP Server或点到点协议服务器 PPP Server;
接收单元,用于接收所述主机参数配置服务器返回的应答消息,获取所述视频传输 管理服务器位置信息。
12、根据权利要求 11所述的装置, 其特征在于, 所述获取视频传输管理服务器位置 信息的请求携带在扩展后的自动主机配置协议 DHCP协议请求消息,或者, 点到点因特网 协议控制协议 PPP IPCP请求消息中, 发送给所述主机参数配置服务器。
13、根据权利要求 11所述的装置, 其特征在于, 所述视频传输管理服务器位置信息 包括:
所述视频传输管理服务器的域名, 或者所述视频传输管理服务器的 IP地址。
14、根据权利要求 11所述的装置, 其特征在于, 所述视频传输管理服务器位置信息 为所述主机参数配置服务器根据用户终端接入的位置, 和 /或视频传输管理服务器的负 载情况为用户终端选择的所述视频传输管理服务器位置信息。
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