Changes

  [[NTIA|国家电信和信息管理局]](NTIA)、[[ICANN|互联网名称与数字地址分配机构]]（ICANN）、[[Verisign|威瑞信]]和[[Root Server Operators|根服务器运营商]]在根区域的管理和处理中发挥重要作用。  

  [[NTIA|国家电信和信息管理局]](NTIA)、[[ICANN|互联网名称与数字地址分配机构]]（ICANN）、[[Verisign|威瑞信]]和[[Root Server Operators|根服务器运营商]]在根区域的管理和处理中发挥重要作用。  

NTIA is an agency under the United States [[DOC|Department of Commerce]], which represents the federal government in a contract entered in with ICANN and Verisign, which grants the organizations separate functions in managing the performance of the root zone. NTIA is responsible in reviewing and approving whatever changes that need to be implemented within the root zone.<ref>[http://www.icann.org/en/committees/dns-root/root-scaling-study-report-31aug09-en.pdf www.icann.org]</ref>

国家电信和信息管理局（NTIA）是隶属于美国[[DOC|商务部]] 的一家机构，在与ICANN及威瑞信达成的一份合约中代表联邦政府，赋予ICANN和威瑞信各自管理根区域绩效的职能。NTIA负责审核和批准需要在根区域内部执行的任何变更。<ref>[http://www.icann.org/en/committees/dns-root/root-scaling-study-report-31aug09-en.pdf www.icann.org]</ref>

ICANN is the operator of the [[IANA|Internet Assigned Numbers Authority]] (IANA), which is responsible for the day-to-day management of the DNS root zone. IANA assigns the operators of the top level domain and ensures the maintenance and the administrative details of the TLDs.<ref>[http://tools.ietf.org/html/rfc1591 RFC 1591]</ref><ref> [http://www.iana.org/domains/root/ Root Zone Management]</ref> It is also responsible for the coordination of the [[IP|Internet Protocol]] (IP) and [[ASN|Autonomous System Numbers]] (ASN) to the [[RIR|Regional Internet Registries]] (RIR).

ICANN is the operator of the [[IANA|Internet Assigned Numbers Authority]] (IANA), which is responsible for the day-to-day management of the DNS root zone. IANA assigns the operators of the top level domain and ensures the maintenance and the administrative details of the TLDs.<ref>[http://tools.ietf.org/html/rfc1591 RFC 1591]</ref><ref> [http://www.iana.org/domains/root/ Root Zone Management]</ref> It is also responsible for the coordination of the [[IP|Internet Protocol]] (IP) and [[ASN|Autonomous System Numbers]] (ASN) to the [[RIR|Regional Internet Registries]] (RIR).