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$ORIGIN 8.4.1.0.6.4.9.7.0.2.4.4.e164.arpa.

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¡F®æ¦¡¬° iax2:[username[:password]@]host[:port][/number[@context]]

¡F

 
 
 
 
 
 

³o­Ó³ø§i¦b·|¤W¨Ã¨S¦³¥ô¦óªº Comment¡A¤£¹L·Pı°_¨Ó¦]¬° IAX ¦]¬°¶È¬O¯S®í»â°ì¨Ï¥Î¡A¦Ó«D³q¥Î¼Ð·Ç¡A¬G­n³q¹L¦¨¬°³q¥Îªº scheme ¦ü¥G¥i¯à©Ê¤£¤j¡C
 
ENUM Implementation Issues and Experiences
³o­Ó³ø¦W¥D­n´£¨Ñ¤F¤@¨ÇENUM ¶}µo¤Î¹ê§@¤Wªº°ÝÃD¤Î¸gÅç¡A¦]¬°¹ê§@¤W¦³¨Ç®e©ö²V¬¨ªº¦a¤è¡A¬G´X¥G°w¹ï¤F¨C­ÓÀô¸`°µ¤F¨Ç»¡©ú¡A³o¨Ç Issue ¦b§Ú­Ì±À¼s SIP/ENUM ©Î APEET ®É¦³®É¤]·|§xÂZµÛ§Ú­Ì¡A¥D­nªº Issue ¦p¤U:
1.     NAPTR ¹ï multi-byte ªº³B²z¤ä´©¤£¨¬¡A«ØÄ³¾A·íªº¼W¥[sub-field¥H§Q§P§O uri ¬O single byte ©Î UTF-8¡A¤£¹L³o·|©M IDNA ¤Î IEE ¦³©ÒÃö«Y¡A¦]¬° IDNA ­n¨Dªº¬O DNS ¬° 7bit ¸ê®Æ¡A¦Ó IEE «h¨ú¦V UTF-8 ªº Local-part¡A©ÎDowngrade ¬° punycode¡A³o­Ó°ÝÃD¬O­È±o«áÄò°l踪ªº¡C
2.     tel:+886223411313 ¤¤ªº + ¸¹©Î¥ô¦ó syntax ¦³Ãö©ó Regexp (¨Ò¦p ! \ $ {}()¡K)³¡¥÷À³¸Ó¦b«e­±¥[¤W escape (\) ¥H§Q regexp §P§O¨ä¬°¦r¤¸©Î regexp¡A¹ï©ó¤£¹ïºÙªº regexp ©Î ! À³¸Óµø¬°¸Óµ§ NAPTR µL®Ä¡C
3.     ¹ï©ó¦³µo¥Í°j°é©Î»¼°j±¡§Îªº NAPTR °O¿ý¡AÀ³¸Ó­nÁ×§K¡A­Y¤£¯àÁ×§K¡A¨ä«ØÄ³²`«×©Î¦¸¼Æ­n¤p©ó¢´¡A¤]´N¬O¤@­Óµo°_ªº ENUM query À³¸Ó³Ì¦h¥u»¼°j¤­¦¸¡C
4.     DNS Packet size ¦b¤@¯ë±¡ªp¤U¤£¯à¶W¹L512 bytes, ¤£µM·|¦³truncated ±¡ªp²£¥Í¡]DNS header ¤¤ªº TC=1¡^¡A¦pªG¨Ï¥Î TCP ¨Ó¬d¸ß ENUM DNS ©Î EDNS0 ´N¤£·|µo¥Í³o¼Ëªº±¡§Î¡A¤£¹L³o¼Ëªº±¡§Î¤£¯à«OÃÒ¦b¾ã­Ó DNS Query ¹Lµ{¤¤¡A©Ò¸g¹Lªº¨C­Ó DNS server ³£¤ä´© TCP query ©Î EDNS0¡A¦Ó¤@¯ë­Y¦b truncated ±¡ªp¤U¡A·|³y¦¨§ï¥Î TCP Query¡A¤]´N¥i¯à³y¦¨¤F¾ã­Ó Query ªº¥¢±Ñµo¥Í¡C


;; Warning: Message parser reports malformed message packet.

;; Truncated, retrying in TCP mode.

;; Connection to 210.17.9.240#53(epp.enum.org.tw) for 9.0.9.0.3.0.4.4.9.0.e164.tw. failed: connection refused.

#³o¬O¥Ø«e basic query ¤Wªºµ²ªG¡A¦Ó¦h¼Æªº dns server ¶È¤ä´© basic query

 
 

       
 
 
 
 
 
5.    ¹ï©ó RFC 2916 ¤Î 3761¤¤ENUMservice ¤¤ªº¤£¦P (Service Type Äæ¦ì)¡A¦]¬°¤x¸g¦³«Ü¦hªºENUM DNS ³£¥Îªº¤è¦¡¡A¨ä«ØÄ³ ENUM Client ¨âªÌ³£­n¯à°÷¤ä´©¡A¦]¬° 2916 ªº®æ¦¡ÁÙ¦³«Ü¦h¤H¦b¨Ï¥Î¡A¤£¯à»¡ 2916 ¤x³Q¨ú¥N±¼¤F¦Ó¤£¤ä´©¡C
 
ENUM Requirement for EDNS0 Support
³o­ÓijÃD¥D­n©IÀ³¤W¤@­Ó¥DÃD¤¤²Ä¥|ÂIªº truncated ªº°ÝÃD¡A¦Ó enum query ¤£¨Ï¥Î TCP ªº²z¥Ñ°£¤F¤£¯à«OÃÒ¨C­Ó¸`ÂI³£¤ä´©¥~¡A¥t¤@­Ó¦]¯À«h¬O tcp hankshaking ¸ûºCªº°ÝÃD¡ARFC2671 ©w¸q¤FEDNS0 ¥i¥H¨Ï¥Î¸û¤jªº payload size(³o­Ó¦]¯ÀÁÙ¬O·|¨ü network ªº MTU ¼vÅT)¡A¦P®É¶¡¤´¨Ï¥Î UDP ¨ó©w¡ADNS ±Ä¥Î UDP Query ¯à°÷¦³®Ä¨Îªº¤u§@®Ä²v¡A¦Ó TCP °£¤F¸ûºC¤]¸û¯Ó¨t²Îªº¸ê·½¡A³o­Ó³ø§i³Ì«á¤]´£¤Î¤F³o­Ó»Ý¨D¥i¯à­n©M dnsop ¤Î dnsext WG °µ¾A·íªº°Q½×¡C
 
 
Carrier/Infrastrucure ENUM Requirements
Carrier ENUM ¤§¥D­nijÃD¦b«Ø¥ß¤@­Ó Carrier ¶¡³z¹L ENUM ªº NAPTR °O¿ý°µ PSTN Call ªº¥æ´«¡A¦Ó³o­Ó¥æ´«¥D­n§Æ±æ¯à°÷¦b¤@­Ó private ªºÀô¹Ò¤W¤£¦Pªº carrier ¶¡ªº PSTN¥æ´«¡A¦Ó³o­Ó¥æ´«ªº­n¨D¬O©Ò¦³ªº Query ¥²»Ý³Q¨ü²z¡A¤£¥i¥H¬O©Úµ´³s±µªºª¬ºA¡A¦Ü©ó Query «áªð¦^ªºªF¦è¥i¥H¬O Rrset ©Î¬O¬d¸ß«á©Òªð¦^ªº DNS Rcode(·N§Y¡@NOERROR/ NXDOMAIN/ NXRRSET¡K.)¡C¦Ó³o­Ó·|ij¤]¦A¦¸±j½Õ¤F­n¦b¦P¤@­Ó TLD ¤U¶i¦æ Carrier ENUM¡A³o­Ó TLD ¥Ø«e¬O e164.tw¡A¤]±j½Õ¤F¹ï ENUM Record¤¤¹ïí¨pÅvªº«OÅ@°ÝÃD¡A¥u¬O¦p¦ó«OÅ@¦ü¥G¨S¦³¯S§O»¡©ú¡C¦Ó³o­Ó Carrier ENUM ³Ì­«­nªº­n¨D¬O¾¨¶q´î§C¹ï RFC 3761 Åܰʪº¼vÅT¡B«ØÄ³¦b¦@¦Pªº numbering plan ¤U§@·~(E164 number or IP Number)¡B¡B¥H³Ì¤Ö¶qªº¬d¸ß¨Ã¹F¨ì³Ì¦h¦^À³ªºµ²ªG¡Bºë² Client ºÝ¥²­nªº¸ê°T¡B³Ì¤j¤Æ user enum ªº¦@¦P©Ê¡B«Ø¥ß¤@­Ó¯à¦b Carrier ¶¡¤¬³s¤¬³q¥B private ªº Enum Tree¡C
¹ï¤W­zªº«ØÄ³¡A¦³¤H´£¥X¤F§Q¥Î BIND 9 View ªº¯S©Ê¡A«Ø¥ß¤@­ÓCarrier ¶¡¦@¦Pªº Enum Tree¡A¨Ã¥B©¼¦¹¦b³o­Ó View ¤¤³B©ó«H¥ôªº°Ï¶¡¡A¦p¦¹¦b¸ÑªRªº®Ä²v¡A¸Ñ¨M°ÝÃDªºµ{«×¡A¤Î¤£¦P Carrier ¶¡ªº¤½¥­©Ê¤Î¸gÀٮįq¯à°÷µo´§³Ì¤jªº®ÄªG¡C
 
Ãö©ó VOID ªº¨Ï¥Î¡ADraft ´£¥X¤FÃö©ó NAPTR query ­Yªð¦^ NXDOMAIN (Not eXist Domain)®É¡A¥Ñ©ó¥i¯à¬O¸Ó¸¹½X¤x¨Ï¥Î¦ý¥¼µù¥UENUM¡A©Î¬O¸Ó¸¹½X¬O©|¥¼¨Ï¥Î¡A¦Ó§Æ±æ¹ï©|¥¼¨Ï¥Îªº³¡¥÷°µ¤@³W½d¡A³o­Ó³W½dªº ENUMservice ¦WºÙ§Y¬O VOID¨ä®æ¦¡¬°:


$ORIGIN 0.6.9.2.3.6.1.4.4.e164.arpa.

3.8.0 NAPTR 10 100 "u" "E2U+void:mailto" "!^.*$!mailto:num-drama-info@nra.cc.example!" .

 

$ORIGIN 1.6.9.2.3.6.1.4.4.e164.arpa.

4.8.0 NAPTR 10 100 "u" "E2U+void:http" "!^.*$!http:\/\/www..cc.example\/numbers\/index.html!" .

 

$ORIGIN 2.6.9.2.3.6.1.4.4.e164.arpa.

4.8.0 NAPTR 10 100 "u" "E2U+void:https" "!^.*$!https:\/\/connect.cc.example\/numbers\/secure.html!" .

 
 
 
 
 
 
 
 
 
 
 
 
 
 

¦p¦¹¡A·í Carrier ¬d¸ß¨ì¸Ó NAPTR ©Ò±a ENUMservice¬° void ®É¡A§Y¥i¥Hª¾¹D¸Ó¸¹½X©|¥¼¨Ï¥Î¡A¤Î¸Ó¸¹½X¥²­nªººÞ²z¸ê°T¡A³o­Ó¸ê°T¥i¥H¬O¤@­Ó mail/http/https ªºuri¡C¥Ñ¦¹¥iª¾¡A­Y­n°Ñ»P¥æ´«ªº Carrier ¥²­n±N¨ä©Ò¦³ number ªº NAPTR °O¿ý«Ø¥ß¥X¨Ó¡A¤£½×¨ä¬° User ¦³¨S¦³¨Ï¥Î ENUM ©Î¬O©|¥¼µo©ñªº¸¹½X¡C´N¨ä Draft ¤¤©Ò«ü§t¸q¡A¦ü¥G¦³¨Ç²V¬¨¤£²Mªº·Pı¡A¥D­n¬O NAPTR ªºªí¥Ü©M´y­z¦ü¦³¤£¦P¤§³B¡C
 
 
 
 
ENUM Validation
Validation ¦@¦³¤G½g¬ÛÃöªº Draft¡A¥Ñ©ó¨ä¥D­n©M EPP ¦³Ãö¡A¨ä±j½Õ ENUM Doamin ¨Ã¤£¦P©ó¤@¯ëªº Doamin Name ¹ï¥ý¨Ó¥ý¥Ó½Ðªº­ì«h¡A¬G­n Registrar ¦b¤H©M¸¹½XªºÃö«Y¦³¤@©wªºÃö«Y¡A·N§Y­n¯àª¾¹D¸Ó¸¹½X¬O¤£¬OÄÝ©ó¹ê»Ú¾Ö¦³ªÌ¡A¬G«ØÄ³ Registrar ¤@©w­n½T»{¹L¡A¦Ó½T»{¹Lªºªº¸ê®Æ¦b EPP ¦V Registry ¶Ç°e®É­n¥[¤J¾A·íªºVE( Valition Entity) Äæ¦ì(xml element name)¤Î Validation ®É¶¡¡A¨Ò¦p validationEntityID ¡Aserial µ¥¡A¦p¤U¨Ò:


  <?xml version="1.0" encoding="utf-8" standalone="no" ?>
   <token xmlns="urn:ietf:params:xml:ns:enum-token-1.0" Id="TOKEN"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation=
     "urn:ietf:params:xml:ns:enum-token-1.0 enum-token-1.0.xsd">
     <validation serial="acmeve-000002">
       <E164Number>+43780837842</E164Number>
       <validationEntityID>ACME-VE</validationEntityID>
       <registrarID>reg-4711</registrarID>
       <methodID>42</methodID>
       <executionDate>2005-10-06</executionDate>
       <expirationDate>2006-01-01</expirationDate>
     </validation>
   </token>

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 


¦Ü©ó¨C¤@­Ó¸ÔÄæ¦ìªº·N«ä¥i¨£©ó draft-ietf-enum-validation-token-00.txt Section 4.1 ªº³¡¥÷¡A¨ä¥D­nªº¥Î·N§Y¦b©ó Validation ³o­Ó Number ªºª¬ºA¡A¦]¬°´N²{¹ê±¡ªp¨Ó»¡¡A¦³¥i¯à¸¹½X·|¥Ñ¬Y¤@¤H²¾Âà¨ì¥t¤@¤H¨­¤W©Î¦³°±¥Î¡A¸¹¥[´î½Xªº±¡§Î¡A¬G¦³¤@­Ó Validation ¾÷¨î¯à½T«O¸¹½X©M¤HªºÃö«Y¡A¨ä¥D­nºë¯«§Y¦b©ó¦¹¡C

 

¥|¡B«ØÄ³·N¨£

1.        «ØÄ³«ùÄò°lÂÜIEEµo®i¡A¨Ã¥i¦b§Þ³N¤è®×¸û¬°½T©w«á¶i¦æ´ú¸Õ¨t²Îªº«Ø¸m¡A¥H§Q«áÄò¶}µo¤Î°Q½×ªº°Ñ¦Ò¡C
2.        ¥Ñ©óDNS¹B§@¬°¤¤¤ß®Ö¤ß·~°È¡A«ØÄ³«ùÄòÃöª`dnsop¬ÛÃö¶i®i¡C
3.        Domain Keyªº¬[ºc¨Ã¤£¯à¦³®Äªý¾×SPAM¡A¦ý¥i¥HÄ~ÄòÆ[¹î¡C

4.        ECRIT WG Áö¶È¬O­è¦¨¥ß¤£¨ì¤@¦~ªº Working Group¡A¤£¹L¬O¦¹¦æ©Ò¨£³Ì¦hÁn­µªº WG¡A¦]¬°³o­Ó WG ¤]©ú»¡¤£¯à¥i¦³§¹¥þªº¤è®×¡A¶È¯à´N¤£¦Pªº±¡ªp´£¥X«ØÄ³ªº¤è®×¡A¦Ó³o­Ó WG ¥Ø«e¦U¤è­±³£ÁÙ¦³«Ü¤jªº°Ñ»PªÅ¶¡¡C

5.        ¥»¦¸·|ij¶È°Q½×¤F¨â­Ó issue¡A¦ý Requriement ¤¤´£¨ìªºªF¦èÁÙ¦³¤£¤Ö¥¼¸Ñ¨M¡A¦Ó ietg-ecrit.org ¤W¤]¦³¾A·íªº issue ¾ã²z¡A¤¤¤ß¥i´N Requriement ¤Î¸Ó URL ¤¤´£¨ìªº¤@¨ÇªF¦è¶°«ä¼s¸q¡C

6.        DNSEXT ¤¤Ãö©ó 2929bis ¤¤¡AÃö©ó Standards Action required allocation policies ¥i¥H¦A°µ¾A·í¤§¬ã¨s¤Î°Q½×¡C

7.        ENUM WG ¤¤ Validation/Vcard/IAX2 ±q·|ij¤W¥i¥H·Pı¨ì¸û¤£­«­n¡A¦Ó ENUM Implementation Issues and Experiences ½T¹ê¤]¬O SIP/ENUM Trial ¤¤©Ò¸I¨ìªº¤@¨Ç Issue

8.        ENUM WG ¤¤¹ï©ó DNS ¤ä´©EDNS0 ·|±j¯P»Ý¨D¡A¦Ó¦¹°ÝÃD½T¹ê¤]¦s¦b§Ú­Ìªº¨t²Î¤¤¡A¤]­È±o­pµe©Î¤¤¤ß¾A·íªº±´°Q¡C

 

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¦³Ãö²Ä¤»¤Q¥|¦¸IETF·|ijijµ{¤Î¬ÛÃö·|ij¸ê®Æ½Ð°Ñ¦Ò(Agenda/ Session/ Presentations)¡G

http://www.ietf.org/meetings/IETF-64.html