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    • 7. 发明授权
    • Method for transmission of address data
    • 地址数据传输方法
    • US06314111B1
    • 2001-11-06
    • US08976240
    • 1997-11-21
    • Mahender NandikondaHarri Hakulinen
    • Mahender NandikondaHarri Hakulinen
    • H04J324
    • H04L29/12066H04L29/12801H04L61/1511H04L61/6004H04N21/235H04N21/434H04N21/4345H04N21/435
    • A method for finding out address information of a data source in a data transmission system comprises at least one data transmission stream (TS) for transmitting information on at least one data source preferably in packet form, wherein the packets contain information on which data source they belong to. Further, the method comprises one or more data transmission channels, in which the data transmission streams are conveyed, as well as a name server system for storage of address information of data sources, the address information containing an identification of the data source, such as the title, and information on the data transmission channel to be used for transmission of the data source, and a data receiving device (19). A data transmission connection is formed from the data receiving device (19) to the name server system (22a, 22b, 22c), and the identification of the desired data source is sent in the first form to the name server system (22a, 22b, 22c). In the name server system (22a, 22b, 22c), the identification of the data source is compared with the identification of the data source to be searched for, wherein when the identification of the data source searched for is found in the address information, the address is converted to a second form to advantageously comprise information on the transmission channel to be used for data transmission of the data source, and the address is returned in the second form to the date receiving device (19).
    • 一种用于在数据传输系统中发现数据源的地址信息的方法包括:至少一个数据传输流(TS),用于最好以分组形式发送关于至少一个数据源的信息,其中所述分组包含关于哪些数据源 属于。 此外,该方法包括传送数据传输流的一个或多个数据传输通道,以及用于存储数据源的地址信息的名称服务器系统,该地址信息包含数据源的标识,例如 标题和关于要用于数据源的传输的数据传输信道的信息,以及数据接收装置(19)。 数据传输连接从数据接收装置(19)形成到名称服务器系统(22a,22b,22c),并且所需数据源的标识以第一形式发送到名称服务器系统(22a,22b) ,22c)。 在名称服务器系统(22a,22b,22c)中,将数据源的识别与要搜索的数据源的标识进行比较,其中当在地址信息中找到搜索到的数据源的标识时, 地址被转换成第二形式以有利地包括用于数据源的数据传输的传输信道的信息,并且地址以第二形式返回到日期接收设备(19)。