rfc1714.ps

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225 77 206 (RFC 1714) 206 SB
854 77 692 (Referral Whois Protocol \(RWhois\)) 692 SB
1854 77 221 (November ) 221 SB
2075 77 100 (1994) 100 SB
225 3018 439 (Williamson & Kosters) 439 SB
2006 3018 127 ([Page ) 127 SB
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225 250 393 (1.0  Introduction) 393 SB
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225 428 1839 (Early in ARPANET development, the SRI-NIC established a centralized whois database that) 1839 SB
225 487 1823 (provided host and network information about the systems connected to the network and the) 1823 SB
225 546 1888 (E-mail addresses of the users on those systems.  The ARPANET experiment has evolved into a) 1888 SB
225 605 1938 (global network with countless people and hundreds of thousands of end systems.  Given the sheer) 1938 SB
225 664 1911 (size and effort needed to maintain a centralized database, an alternate, decentralized approach to) 1911 SB
225 723 872 (store and display this information is desired.) 872 SB
225 841 1930 (The Internet portions of the DDN NIC have been transitioned to what is now known as InterNIC) 1930 SB
225 900 1725 (Registration Services \(RS\).  The charter for InterNIC RS has been reduced to maintain) 1725 SB
225 959 1838 (information only for IP networks, top-level domains, Autonomous System Numbers, and the) 1838 SB
225 1018 1892 (points of contact for each of these particular entities.  In addition, the InterNIC, in its role as an) 1892 SB
225 1077 1939 (Internet Registry \(IR\), has delegated IP block assignment authority to Regional Registries such as) 1939 SB
225 1136 1913 (the RIPE NCC for Europe and the APNIC for the Asian Pacific region, while retaining authority) 1913 SB
225 1195 1801 (for North America and all non-delegated regions.  This has led to a fragmentation of whois) 1801 SB
225 1254 544 (service to the Internet user.) 544 SB
225 1372 1921 (Several different solutions have been proposed and developed by the various regional IR\222s.  Two) 1921 SB
225 1431 1794 (solutions have been worked on extensively:  the Shared Whois Project \(SWIP\) and X.500.) 1794 SB
225 1549 1949 (The SWIP project has a common exchange format that can be parsed by the various IR\222s for input) 1949 SB
225 1608 1911 (and output.  Thus, one can synchronize their databases with information obtained from the other) 1911 SB
225 1667 1816 (IR\222s.  This project is showing promise and is now operational.  However, this approach still) 1816 SB
225 1726 1037 (requires a centralized database for store and display.) 1037 SB
225 1844 1892 (The InterNIC has also been involved in the use of X.500 for display of registration information.) 1892 SB
225 1903 1921 (Among other things, this included defining schemas and Directory information tree structures for) 1921 SB
225 1962 1897 (the purpose of distributing information amongst the various IR X.500 Directory Service Agents) 1897 SB
225 2021 1927 (\(DSA\).  Unfortunately, X.500\222s complexity, resource utilization, and lack of Internet support has) 1927 SB
225 2080 1018 (made a search for an alternative solution necessary.) 1018 SB
225 2198 1862 (The information that the various IR\222s maintain is inherently hierarchical in nature.  \(Examples:) 1862 SB
225 2257 1896 (hammer.nic.ddn.mil is under the nic.ddn.mil domain which is under the ddn.mil domain which is) 1896 SB
225 2316 1874 (under the .mil domain. 198.41.0.21 is part of network 198.41.0.0/24 which is part of the block) 1874 SB
225 2375 1702 (198.41.0.0/16 which is part of the block 198.0.0.0/8\)  The InterNIC may not have the) 1702 SB
225 2434 1887 (information, but will at least be able to reduce the query and point or \223refer\224 the users closer to) 1887 SB
225 2493 1875 (their goal.  This has led to the development of a referral whois, and the corresponding RWhois) 1875 SB
225 2552 182 (protocol.) 182 SB
225 2670 1838 (The underlying premise for this project has been to retain the basic functionality of the whois) 1838 SB
225 2729 1899 (server and client, making all of the extensions optional.  The server must respond to the original) 1899 SB
225 2788 1817 (whois client, currently included with many operating systems.  The RWhois client must also) 1817 SB
225 2847 958 (interact with RFC954 [RFC-954] whois servers.) 958 SB
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225 77 206 (RFC 1714) 206 SB
854 77 692 (Referral Whois Protocol \(RWhois\)) 692 SB
1854 77 221 (November ) 221 SB
2075 77 100 (1994) 100 SB
225 3018 439 (Williamson & Kosters) 439 SB
2006 3018 127 ([Page ) 127 SB
2133 3018 25 (2) 25 SB
2158 3018 17 (]) 17 SB
225 286 1676 (RWhois has been designed as an extensible protocol to ensure that many uses can be) 1676 SB
225 345 1810 (accommodated.  Public extensions to the protocol should be documented as RFCs.  Private) 1810 SB
225 404 1389 (extensions can be used with agreement left up to the client and server.) 1389 SB
225 522 1930 (If extensions are not implemented at the server in question, an appropriate error message must be) 1930 SB
225 581 1322 (sent.  The use of extended error message is outlined in Section 5 - ) 1322 SB
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