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<TITLE>BBS水木清华站∶精华区</TITLE></HEAD><BODY><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER>Network&nbsp;Working&nbsp;Group&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;M.&nbsp;Stahl&nbsp;<BR>Request&nbsp;for&nbsp;Comments:&nbsp;1032&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SRI&nbsp;International&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;November&nbsp;1987&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DOMAIN&nbsp;ADMINISTRATORS&nbsp;GUIDE&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>STATUS&nbsp;OF&nbsp;THIS&nbsp;MEMO&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;This&nbsp;memo&nbsp;describes&nbsp;procedures&nbsp;for&nbsp;registering&nbsp;a&nbsp;domain&nbsp;with&nbsp;the&nbsp;<BR>&nbsp;&nbsp;&nbsp;Network&nbsp;Information&nbsp;Center&nbsp;(NIC)&nbsp;of&nbsp;Defense&nbsp;Data&nbsp;Network&nbsp;(DDN),&nbsp;and&nbsp;<BR>&nbsp;&nbsp;&nbsp;offers&nbsp;guidelines&nbsp;on&nbsp;the&nbsp;establishment&nbsp;and&nbsp;administration&nbsp;of&nbsp;a&nbsp;domain&nbsp;<BR>&nbsp;&nbsp;&nbsp;in&nbsp;accordance&nbsp;with&nbsp;the&nbsp;requirements&nbsp;specified&nbsp;in&nbsp;RFC-920.&nbsp;&nbsp;It&nbsp;is&nbsp;<BR>&nbsp;&nbsp;&nbsp;intended&nbsp;for&nbsp;use&nbsp;by&nbsp;domain&nbsp;administrators.&nbsp;&nbsp;This&nbsp;memo&nbsp;should&nbsp;be&nbsp;used&nbsp;<BR>&nbsp;&nbsp;&nbsp;in&nbsp;conjunction&nbsp;with&nbsp;RFC-920,&nbsp;which&nbsp;is&nbsp;an&nbsp;official&nbsp;policy&nbsp;statement&nbsp;of&nbsp;<BR>&nbsp;&nbsp;&nbsp;the&nbsp;Internet&nbsp;Activities&nbsp;Board&nbsp;(IAB)&nbsp;and&nbsp;the&nbsp;Defense&nbsp;Advanced&nbsp;Research&nbsp;<BR>&nbsp;&nbsp;&nbsp;Projects&nbsp;Agency&nbsp;(DARPA).&nbsp;&nbsp;Distribution&nbsp;of&nbsp;this&nbsp;memo&nbsp;is&nbsp;unlimited.&nbsp;<BR>&nbsp;<BR>BACKGROUND&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;Domains&nbsp;are&nbsp;administrative&nbsp;entities&nbsp;that&nbsp;provide&nbsp;decentralized&nbsp;<BR>&nbsp;&nbsp;&nbsp;management&nbsp;of&nbsp;host&nbsp;naming&nbsp;and&nbsp;addressing.&nbsp;&nbsp;The&nbsp;domain-naming&nbsp;system&nbsp;<BR>&nbsp;&nbsp;&nbsp;is&nbsp;distributed&nbsp;and&nbsp;hierarchical.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;The&nbsp;NIC&nbsp;is&nbsp;designated&nbsp;by&nbsp;the&nbsp;Defense&nbsp;Communications&nbsp;Agency&nbsp;(DCA)&nbsp;to&nbsp;<BR>&nbsp;&nbsp;&nbsp;provide&nbsp;registry&nbsp;services&nbsp;for&nbsp;the&nbsp;domain-naming&nbsp;system&nbsp;on&nbsp;the&nbsp;DDN&nbsp;and&nbsp;<BR>&nbsp;&nbsp;&nbsp;DARPA&nbsp;portions&nbsp;of&nbsp;the&nbsp;Internet.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;As&nbsp;registrar&nbsp;of&nbsp;top-level&nbsp;and&nbsp;second-level&nbsp;domains,&nbsp;as&nbsp;well&nbsp;as&nbsp;<BR>&nbsp;&nbsp;&nbsp;administrator&nbsp;of&nbsp;the&nbsp;root&nbsp;domain&nbsp;name&nbsp;servers&nbsp;on&nbsp;behalf&nbsp;of&nbsp;DARPA&nbsp;and&nbsp;<BR>&nbsp;&nbsp;&nbsp;DDN,&nbsp;the&nbsp;NIC&nbsp;is&nbsp;responsible&nbsp;for&nbsp;maintaining&nbsp;the&nbsp;root&nbsp;server&nbsp;zone&nbsp;<BR>&nbsp;&nbsp;&nbsp;files&nbsp;and&nbsp;their&nbsp;binary&nbsp;equivalents.&nbsp;&nbsp;In&nbsp;addition,&nbsp;the&nbsp;NIC&nbsp;is&nbsp;<BR>&nbsp;&nbsp;&nbsp;responsible&nbsp;for&nbsp;administering&nbsp;the&nbsp;top-level&nbsp;domains&nbsp;of&nbsp;&quot;ARPA,&quot;&nbsp;&quot;COM,&quot;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&quot;EDU,&quot;&nbsp;&quot;ORG,&quot;&nbsp;&quot;GOV,&quot;&nbsp;and&nbsp;&quot;MIL&quot;&nbsp;on&nbsp;behalf&nbsp;of&nbsp;DCA&nbsp;and&nbsp;DARPA&nbsp;until&nbsp;it&nbsp;<BR>&nbsp;&nbsp;&nbsp;becomes&nbsp;feasible&nbsp;for&nbsp;other&nbsp;appropriate&nbsp;organizations&nbsp;to&nbsp;assume&nbsp;those&nbsp;<BR>&nbsp;&nbsp;&nbsp;responsibilities.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;It&nbsp;is&nbsp;recommended&nbsp;that&nbsp;the&nbsp;guidelines&nbsp;described&nbsp;in&nbsp;this&nbsp;document&nbsp;be&nbsp;<BR>&nbsp;&nbsp;&nbsp;used&nbsp;by&nbsp;domain&nbsp;administrators&nbsp;in&nbsp;the&nbsp;establishment&nbsp;and&nbsp;control&nbsp;of&nbsp;<BR>&nbsp;&nbsp;&nbsp;second-level&nbsp;domains.&nbsp;<BR>&nbsp;<BR>THE&nbsp;DOMAIN&nbsp;ADMINISTRATOR&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;The&nbsp;role&nbsp;of&nbsp;the&nbsp;domain&nbsp;administrator&nbsp;(DA)&nbsp;is&nbsp;that&nbsp;of&nbsp;coordinator,&nbsp;<BR>&nbsp;&nbsp;&nbsp;manager,&nbsp;and&nbsp;technician.&nbsp;&nbsp;If&nbsp;his&nbsp;domain&nbsp;is&nbsp;established&nbsp;at&nbsp;the&nbsp;second&nbsp;<BR>&nbsp;&nbsp;&nbsp;level&nbsp;or&nbsp;lower&nbsp;in&nbsp;the&nbsp;tree,&nbsp;the&nbsp;DA&nbsp;must&nbsp;register&nbsp;by&nbsp;interacting&nbsp;with&nbsp;<BR>&nbsp;&nbsp;&nbsp;the&nbsp;management&nbsp;of&nbsp;the&nbsp;domain&nbsp;directly&nbsp;above&nbsp;his,&nbsp;making&nbsp;certain&nbsp;that&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>Stahl&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[Page&nbsp;1]&nbsp;<BR>&nbsp;<BR>RFC&nbsp;1032&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DOMAIN&nbsp;ADMINISTRATORS&nbsp;GUIDE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;November&nbsp;1987&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;his&nbsp;domain&nbsp;satisfies&nbsp;all&nbsp;the&nbsp;requirements&nbsp;of&nbsp;the&nbsp;administration&nbsp;under&nbsp;<BR>&nbsp;&nbsp;&nbsp;which&nbsp;his&nbsp;domain&nbsp;would&nbsp;be&nbsp;situated.&nbsp;&nbsp;To&nbsp;find&nbsp;out&nbsp;who&nbsp;has&nbsp;authority&nbsp;<BR>&nbsp;&nbsp;&nbsp;over&nbsp;the&nbsp;name&nbsp;space&nbsp;he&nbsp;wishes&nbsp;to&nbsp;join,&nbsp;the&nbsp;DA&nbsp;can&nbsp;ask&nbsp;the&nbsp;NIC&nbsp;<BR>&nbsp;&nbsp;&nbsp;Hostmaster.&nbsp;&nbsp;Information&nbsp;on&nbsp;contacts&nbsp;for&nbsp;the&nbsp;top-level&nbsp;and&nbsp;second-&nbsp;<BR>&nbsp;&nbsp;&nbsp;level&nbsp;domains&nbsp;can&nbsp;also&nbsp;be&nbsp;found&nbsp;on&nbsp;line&nbsp;in&nbsp;the&nbsp;file&nbsp;NETINFO:DOMAIN-&nbsp;<BR>&nbsp;&nbsp;&nbsp;CONTACTS.TXT,&nbsp;which&nbsp;is&nbsp;available&nbsp;from&nbsp;the&nbsp;NIC&nbsp;via&nbsp;anonymous&nbsp;FTP.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;The&nbsp;DA&nbsp;should&nbsp;be&nbsp;technically&nbsp;competent;&nbsp;he&nbsp;should&nbsp;understand&nbsp;the&nbsp;<BR>&nbsp;&nbsp;&nbsp;concepts&nbsp;and&nbsp;procedures&nbsp;for&nbsp;operating&nbsp;a&nbsp;domain&nbsp;server,&nbsp;as&nbsp;described&nbsp;<BR>&nbsp;&nbsp;&nbsp;in&nbsp;RFC-1034,&nbsp;and&nbsp;make&nbsp;sure&nbsp;that&nbsp;the&nbsp;service&nbsp;provided&nbsp;is&nbsp;reliable&nbsp;and&nbsp;<BR>&nbsp;&nbsp;&nbsp;uninterrupted.&nbsp;&nbsp;It&nbsp;is&nbsp;his&nbsp;responsibility&nbsp;or&nbsp;that&nbsp;of&nbsp;his&nbsp;delegate&nbsp;to&nbsp;<BR>&nbsp;&nbsp;&nbsp;ensure&nbsp;that&nbsp;the&nbsp;data&nbsp;will&nbsp;be&nbsp;current&nbsp;at&nbsp;all&nbsp;times.&nbsp;&nbsp;As&nbsp;a&nbsp;manager,&nbsp;the&nbsp;<BR>&nbsp;&nbsp;&nbsp;DA&nbsp;must&nbsp;be&nbsp;able&nbsp;to&nbsp;handle&nbsp;complaints&nbsp;about&nbsp;service&nbsp;provided&nbsp;by&nbsp;his&nbsp;<BR>&nbsp;&nbsp;&nbsp;domain&nbsp;name&nbsp;server.&nbsp;&nbsp;He&nbsp;must&nbsp;be&nbsp;aware&nbsp;of&nbsp;the&nbsp;behavior&nbsp;of&nbsp;the&nbsp;hosts&nbsp;in&nbsp;<BR>&nbsp;&nbsp;&nbsp;his&nbsp;domain,&nbsp;and&nbsp;take&nbsp;prompt&nbsp;action&nbsp;on&nbsp;reports&nbsp;of&nbsp;problems,&nbsp;such&nbsp;as&nbsp;<BR>&nbsp;&nbsp;&nbsp;protocol&nbsp;violations&nbsp;or&nbsp;other&nbsp;serious&nbsp;misbehavior.&nbsp;&nbsp;The&nbsp;administrator&nbsp;<BR>&nbsp;&nbsp;&nbsp;of&nbsp;a&nbsp;domain&nbsp;must&nbsp;be&nbsp;a&nbsp;responsible&nbsp;person&nbsp;who&nbsp;has&nbsp;the&nbsp;authority&nbsp;to&nbsp;<BR>&nbsp;&nbsp;&nbsp;either&nbsp;enforce&nbsp;these&nbsp;actions&nbsp;himself&nbsp;or&nbsp;delegate&nbsp;them&nbsp;to&nbsp;someone&nbsp;<BR>&nbsp;&nbsp;&nbsp;else.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;Name&nbsp;assignments&nbsp;within&nbsp;a&nbsp;domain&nbsp;are&nbsp;controlled&nbsp;by&nbsp;the&nbsp;DA,&nbsp;who&nbsp;should&nbsp;<BR>&nbsp;&nbsp;&nbsp;verify&nbsp;that&nbsp;names&nbsp;are&nbsp;unique&nbsp;within&nbsp;his&nbsp;domain&nbsp;and&nbsp;that&nbsp;they&nbsp;conform&nbsp;<BR>&nbsp;&nbsp;&nbsp;to&nbsp;standard&nbsp;naming&nbsp;conventions.&nbsp;&nbsp;He&nbsp;furnishes&nbsp;access&nbsp;to&nbsp;names&nbsp;and&nbsp;<BR>&nbsp;&nbsp;&nbsp;name-related&nbsp;information&nbsp;to&nbsp;users&nbsp;both&nbsp;inside&nbsp;and&nbsp;outside&nbsp;his&nbsp;domain.&nbsp;<BR>&nbsp;&nbsp;&nbsp;He&nbsp;should&nbsp;work&nbsp;closely&nbsp;with&nbsp;the&nbsp;personnel&nbsp;he&nbsp;has&nbsp;designated&nbsp;as&nbsp;the&nbsp;<BR>&nbsp;&nbsp;&nbsp;&quot;technical&nbsp;and&nbsp;zone&quot;&nbsp;contacts&nbsp;for&nbsp;his&nbsp;domain,&nbsp;for&nbsp;many&nbsp;administrative&nbsp;<BR>&nbsp;&nbsp;&nbsp;decisions&nbsp;will&nbsp;be&nbsp;made&nbsp;on&nbsp;the&nbsp;basis&nbsp;of&nbsp;input&nbsp;from&nbsp;these&nbsp;people.&nbsp;<BR>&nbsp;<BR>THE&nbsp;DOMAIN&nbsp;TECHNICAL&nbsp;AND&nbsp;ZONE&nbsp;CONTACT&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;A&nbsp;zone&nbsp;consists&nbsp;of&nbsp;those&nbsp;contiguous&nbsp;parts&nbsp;of&nbsp;the&nbsp;domain&nbsp;tree&nbsp;for&nbsp;<BR>&nbsp;&nbsp;&nbsp;which&nbsp;a&nbsp;domain&nbsp;server&nbsp;has&nbsp;complete&nbsp;information&nbsp;and&nbsp;over&nbsp;which&nbsp;it&nbsp;has&nbsp;<BR>&nbsp;&nbsp;&nbsp;authority.&nbsp;&nbsp;A&nbsp;domain&nbsp;server&nbsp;may&nbsp;be&nbsp;authoritative&nbsp;for&nbsp;more&nbsp;than&nbsp;one&nbsp;<BR>&nbsp;&nbsp;&nbsp;zone.&nbsp;&nbsp;The&nbsp;domain&nbsp;technical/zone&nbsp;contact&nbsp;is&nbsp;the&nbsp;person&nbsp;who&nbsp;tends&nbsp;to&nbsp;<BR>&nbsp;&nbsp;&nbsp;the&nbsp;technical&nbsp;aspects&nbsp;of&nbsp;maintaining&nbsp;the&nbsp;domain's&nbsp;name&nbsp;server&nbsp;and&nbsp;<BR>&nbsp;&nbsp;&nbsp;resolver&nbsp;software,&nbsp;and&nbsp;database&nbsp;files.&nbsp;&nbsp;He&nbsp;keeps&nbsp;the&nbsp;name&nbsp;server&nbsp;<BR>&nbsp;&nbsp;&nbsp;running,&nbsp;and&nbsp;interacts&nbsp;with&nbsp;technical&nbsp;people&nbsp;in&nbsp;other&nbsp;domains&nbsp;and&nbsp;<BR>&nbsp;&nbsp;&nbsp;zones&nbsp;to&nbsp;solve&nbsp;problems&nbsp;that&nbsp;affect&nbsp;his&nbsp;zone.&nbsp;<BR>&nbsp;<BR>POLICIES&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;Domain&nbsp;or&nbsp;host&nbsp;name&nbsp;choices&nbsp;and&nbsp;the&nbsp;allocation&nbsp;of&nbsp;domain&nbsp;name&nbsp;space&nbsp;<BR>&nbsp;&nbsp;&nbsp;are&nbsp;considered&nbsp;to&nbsp;be&nbsp;local&nbsp;matters.&nbsp;&nbsp;In&nbsp;the&nbsp;event&nbsp;of&nbsp;conflicts,&nbsp;it&nbsp;is&nbsp;<BR>&nbsp;&nbsp;&nbsp;the&nbsp;policy&nbsp;of&nbsp;the&nbsp;NIC&nbsp;not&nbsp;to&nbsp;get&nbsp;involved&nbsp;in&nbsp;local&nbsp;disputes&nbsp;or&nbsp;in&nbsp;the&nbsp;<BR>&nbsp;&nbsp;&nbsp;local&nbsp;decision-making&nbsp;process.&nbsp;&nbsp;The&nbsp;NIC&nbsp;will&nbsp;not&nbsp;act&nbsp;as&nbsp;referee&nbsp;in&nbsp;<BR>&nbsp;&nbsp;&nbsp;disputes&nbsp;over&nbsp;such&nbsp;matters&nbsp;as&nbsp;who&nbsp;has&nbsp;the&nbsp;&quot;right&quot;&nbsp;to&nbsp;register&nbsp;a&nbsp;<BR>&nbsp;&nbsp;&nbsp;particular&nbsp;top-level&nbsp;or&nbsp;second-level&nbsp;domain&nbsp;for&nbsp;an&nbsp;organization.&nbsp;&nbsp;The&nbsp;<BR>&nbsp;&nbsp;&nbsp;NIC&nbsp;considers&nbsp;this&nbsp;a&nbsp;private&nbsp;local&nbsp;matter&nbsp;that&nbsp;must&nbsp;be&nbsp;settled&nbsp;among&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>Stahl&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[Page&nbsp;2]&nbsp;<BR>&nbsp;<BR>RFC&nbsp;1032&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;DOMAIN&nbsp;ADMINISTRATORS&nbsp;GUIDE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;November&nbsp;1987&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;the&nbsp;parties&nbsp;involved&nbsp;prior&nbsp;to&nbsp;their&nbsp;commencing&nbsp;the&nbsp;registration&nbsp;<BR>&nbsp;&nbsp;&nbsp;process&nbsp;with&nbsp;the&nbsp;NIC.&nbsp;&nbsp;Therefore,&nbsp;it&nbsp;is&nbsp;assumed&nbsp;that&nbsp;the&nbsp;responsible&nbsp;<BR>&nbsp;&nbsp;&nbsp;person&nbsp;for&nbsp;a&nbsp;domain&nbsp;will&nbsp;have&nbsp;resolved&nbsp;any&nbsp;local&nbsp;conflicts&nbsp;among&nbsp;the&nbsp;<BR>&nbsp;&nbsp;&nbsp;members&nbsp;of&nbsp;his&nbsp;domain&nbsp;before&nbsp;registering&nbsp;that&nbsp;domain&nbsp;with&nbsp;the&nbsp;NIC.&nbsp;<BR>&nbsp;&nbsp;&nbsp;The&nbsp;NIC&nbsp;will&nbsp;give&nbsp;guidance,&nbsp;if&nbsp;requested,&nbsp;by&nbsp;answering&nbsp;specific&nbsp;<BR>&nbsp;&nbsp;&nbsp;technical&nbsp;questions,&nbsp;but&nbsp;will&nbsp;not&nbsp;provide&nbsp;arbitration&nbsp;in&nbsp;disputes&nbsp;at&nbsp;<BR>&nbsp;&nbsp;&nbsp;the&nbsp;local&nbsp;level.&nbsp;&nbsp;This&nbsp;policy&nbsp;is&nbsp;also&nbsp;in&nbsp;keeping&nbsp;with&nbsp;the&nbsp;distributed&nbsp;<BR>&nbsp;&nbsp;&nbsp;hierarchical&nbsp;nature&nbsp;of&nbsp;the&nbsp;domain-naming&nbsp;system&nbsp;in&nbsp;that&nbsp;it&nbsp;helps&nbsp;to&nbsp;<BR>&nbsp;&nbsp;&nbsp;distribute&nbsp;the&nbsp;tasks&nbsp;of&nbsp;solving&nbsp;problems&nbsp;and&nbsp;handling&nbsp;questions.&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;Naming&nbsp;conventions&nbsp;for&nbsp;hosts&nbsp;should&nbsp;follow&nbsp;the&nbsp;rules&nbsp;specified&nbsp;in&nbsp;<BR>&nbsp;&nbsp;&nbsp;RFC-952.&nbsp;&nbsp;From&nbsp;a&nbsp;technical&nbsp;standpoint,&nbsp;domain&nbsp;names&nbsp;can&nbsp;be&nbsp;very&nbsp;long.&nbsp;<BR>&nbsp;&nbsp;&nbsp;Each&nbsp;segment&nbsp;of&nbsp;a&nbsp;domain&nbsp;name&nbsp;may&nbsp;contain&nbsp;up&nbsp;to&nbsp;64&nbsp;characters,&nbsp;but&nbsp;<BR>&nbsp;&nbsp;&nbsp;the&nbsp;NIC&nbsp;strongly&nbsp;advises&nbsp;DAs&nbsp;to&nbsp;choose&nbsp;names&nbsp;that&nbsp;are&nbsp;12&nbsp;characters&nbsp;<BR>&nbsp;&nbsp;&nbsp;or&nbsp;fewer,&nbsp;because&nbsp;behind&nbsp;every&nbsp;domain&nbsp;system&nbsp;there&nbsp;is&nbsp;a&nbsp;human&nbsp;being&nbsp;<BR>
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