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Peer Name Resolution Protocol (PNRP) is a peer-to-peer protocol designed by Microsoft. PNRP enables dynamic name publication and resolution, and requires IPv6. PNRP was first mentioned during a presentation at a P2P conference in November 2001. It appeared in July 2003 in the Advanced Networking Pack for Windows XP, and was later included in the Service Pack 2 for Windows XP. PNRP 2.0 was introduced with Windows Vista and is available for download for Windows XP Service Pack 2 users. 〔 (Download PNRP 2.0 for Windows XP ) 〕 PNRP 2.1 is included in Windows Vista SP1, Windows Server 2008 and Windows XP SP3. PNRP v2 is not available for Windows XP Professional x64 Edition or any edition of Windows Server 2003. 〔 (http://technet.microsoft.com/en-us/library/bb726971.aspx#EHAA Peer Name Resolution Protocol ) 〕 Windows Remote Assistance in Windows 7 uses PNRP when connecting using the ''Easy Connect'' option. 〔 (Peer-To-Peer based Features in Win 7 ) 〕 The design of PNRP is covered by US Patent #7,065,587, issued on June 20, 2006. == PNRP services == PNRP is a distributed name resolution protocol allowing Internet hosts to publish "peer names" and corresponding IPv6 addresses and optionally other information. Other hosts can then resolve the peer name, retrieve the corresponding addresses and other information, and establish peer-to-peer connections. With PNRP, peer names are composed of an "authority" and a "qualifier". The authority is identified by a secure hash of an associated public key, or by a place-holder (the number zero) if the peer name is "unsecured". The qualifier is a string, allowing an authority to have different peer names for different services.〔(Peer Name Resolution Protocol )〕 If a peer name is secure, the PNRP name records are signed by the publishing authority, and can be verified using its public key. Unsecured peer names can be published by anybody, without possible verification. Multiple entities can publish the same peer name. For example, if a peer name is associated with a group, any group member can publish addresses for the peer name. Peer names are published and resolved within a specified scope. The scope can be a local link, a site (e.g. a campus), or the whole Internet. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Peer Name Resolution Protocol」の詳細全文を読む スポンサード リンク
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