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1. 发明申请

US20070002778A1 Method for query of domain names of telephone numbers 审中-公开
标题翻译：查询电话号码域名的方法
公开(公告)号：US20070002778A1
公开(公告)日：2007-01-04
申请号：US11450211
申请日：2006-06-08
申请人： Lei Shi , Yuanwen Wang , Zhijian Luo , Sujuan Yang
发明人： Lei Shi , Yuanwen Wang , Zhijian Luo , Sujuan Yang
IPC分类号： H04L12/16
CPC分类号： H04L29/12132 , H04L29/12018 , H04L29/12066 , H04L29/12801 , H04L61/10 , H04L61/1511 , H04L61/1552 , H04L61/6004
摘要： The present invention discloses a method for query of domain names of telephone numbers, e.g., E.164 numbers. The method comprises: in ENUM DNS (Electronic numbers to URI Mapping Domain Name System), dividing a domain name of a telephone number into a public domain name part and a digit domain name part; storing sequentially public domain name information separated by spacer(s) in the public domain name part and the data obtained by arranging digits in the digit domain name part in a preset order into nodes of a search tree according to storage rules of the search tree; on receiving a query request, the ENUM DNS obtaining the public domain name information of the domain name and finding the corresponding nodes according to search tree rules; obtaining the digits separated by spacer(s) in the domain name, arranging the digits into data in a prescribed order of the system, and finding the next-level nodes of the search tree. With the method of the present invention the height of the search tree can be effectively reduced, the hash degree of the HASH values generated by the nodes may be improved, and the possibility of conflict may be reduced, thus improving the query efficiency of the system.
摘要翻译：本发明公开了一种查询电话号码域名的方法，例如E.164号码。该方法包括：在ENUM DNS（电子号码到URI映射域名系统）中，将电话号码的域名划分为公共域名部分和数字域名部分; 根据搜索树的存储规则，将公共域名部分中分开的公有域名信息存储在搜索树的节点中，按照预定顺序将数字域名部分中的数字排列在公有域名部分中; 在接收到查询请求时，ENUM DNS获取域名的公有域名信息，并根据搜索树规则查找相应的节点; 获取由域名中的间隔符分隔的数字，将数字按照系统的规定顺序排列成数据，并找到搜索树的下一级节点。利用本发明的方法，可以有效地减少搜索树的高度，可以提高由节点生成的HASH值的散列度，并且可以减少冲突的可能性，从而提高系统的查询效率。

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