What's NCU ºô³qªA°È ?
NCU MMS System Overview
What technologies are in use?
The MMS requirements can be realized with various technologies (WAP, SMTP,
and ESMTP as transfer protocols; SMIL and MIME
as message formats).
Cell phone --> PC (through E-mail)
Mail§Þ³N
1.¨ìPOP3 Server¤W¦¬¨ú«H¥ó¡G
¡Ð¡@§â«H¥óªº±H¥ó¤H¡B¤º®e¡Bªþ¥ó¡B¡Kµ¥¸ê®Æ¤@¤@¨ú±o
¡Ð¡@§Q¥ÎJDBC»PDB³sµ²¨Ã§â¸ê®Æ³v¤@¼g¤J
2.Mail Header³¡¥÷¡G
¡Ð¡@From 0922447408@tccdata.com.tw thu nov 6 02: 37: 23 2003
¡Ð¡@Mime-Version: 1.0
¡Ð¡@Content-Type: multipart/mixed; boundary=¡§_---- =_1068047002280600¡¨
3. MIME (Multipurpose Internet Mail Extensions) ¸Ñ½X¡G
¡Ð¡@GSM (TCC) „³ ¹ïªþ¥ó¹ÏÀÉ(.jpg)¥[¥H½s½X¡@
¡Ð¡@PHS „³ ¹ï¤º®e¡Bªþ¥ó¹ÏÀÉ(.bmp)½s½X
Socket§Þ³N
1. ¤À¬°Server Socket»PClient Socket¡AÂù¤è§Q¥ÎTCP¨ó©w¶Ç°e»P±µ¦¬¸ê®Æ
2. ServerºÝ¥\¯à»¡©ú¡G
¡Ð¡@§Q¥Îtimer¦Û°Ê·j´MDB¶Ç°e¥¼µo°eªº°T®§
¡Ð¡@¥H±H¥óªÌ¦b¤º®e³¡¥÷©Ò¿é¤Jªº¢×¢Þ«Ø¥ßSocket
¡Ð¡@¸ê®Æ¬Ò¥HbinaryªºÀÉ®×®æ¬O¶Ç¿é
3. ClientºÝ¥\¯à»¡©ú¡G
¡Ð¡@¤@¥¹°õ¦æ³s½u«á¡A¶i¤Jlisten°j°éµ¥«Ý±µ¦¬°T®§
¡Ð¡@¤@±µ¦¬¨ì°T®§¡Aµøµ¡¤W·|¥X²{¤@Ó³qª¾ªº¹ï¸Ü¤è¶ô´£¿ô¦¬¥óªÌ±µ¦¬
¡Ð¡@¦¬¥óªÌ¦³±±¨î±ªO¡A¥i°µÅª¨ú¡B§R°£¥H¤Î±µ¦¬(Àx¦s)ªº°Ê§@
PC --> Cell phone (through HTTP)
§Ú̦bPC¶Ç°e¦h´CÅé²°T¨ì¤â¾÷ªº³¡¥÷¡A¬O§Q¥ÎPHP»y¨¥¨Ó¹ê²{¨t²Îºô¶»P¤â¾÷·~ªÌ¦øªA¾¹ªºCGI°Ê§@
±q§ÚÌ©Ò³]pªº¨t²Îºô¶¶Ç°e¸ê®Æ¨ì¤â¾÷·~ªÌ¦øªA¾¹ªºCGI¦³´XÓ¥Dn°Ê§@¡G
1. ¨ú±ocookie
2. ¿ï¾Ü·s°T®§ (¤W¶Ç¹ÏÀÉ)
3. ½s¿è·s°T®§ (½s¿è¤º®e)
4. ¿ï¾Ü¶Ç°e¹ï¶H (¿é¤J°T®§¥D¦®¡B¤â¾÷«¬¸¹¤Î¶Ç°e¹ï¶H)
5. ½T»{°e¥X (¿é¤J¤â¾÷¸¹½X»P¥[ȪA°È½X)
HTTP§Þ³N
1. §Q¥Îlaunch proxy©Òdump¤U¨Ó±q¤â¾÷·~ªÌ(¥xÆW¤jô¤j)¦øªA¾¹¶Ç°e¤@¦¸MMS²°Tªº¹Lµ{data¨Ó¥[¥H¤ÀªR °Ñ¼Æ¦b¦UÓºô¶¤§¶¡¶Ç»¼¬yµ{¶¶§Ç¥H¤Î©Ò¨Ï¥ÎªºHTTP¨ó©w
2. HTTP¤èªk¡G
¡Ð¡@Get Method „³ ¨Ï¥ÎªÌ¦bºô¶¤W¿é¤Jªº¸ê®Æ·|ªþ¥[¦bURL¸ê®Æ«á±¡A¤@°_¶Ç°eµ¹¦øªA¾¹
¡Ð¡@Post Method „³ ¨Ï¥ÎªÌ¦bºô¶¤W¿é¤Jªº¸ê®Æ»PURL¤À¶}¡A¨Ã¥B¿é¤Jªø«×¤£
3. HTTP Respond¡G
¡Ð¡@HTTP/1.0 200 OK
¡Ð¡@HTTP/1.0 302 Moved Temporarily
Screen Shots
Sender: Cell phone --> MMSC --> Receiver: PC (through E-mail)
¤â¾÷¶Ç°T®§µ¹PC¤À¬°¨âÓ³¡¤À¡A§YServer©MClient¡GServerªº³¡¤À¬O¼ÒÀÀ¦¨¤@ÓMMSC(Multimedia Messaging Service Center)¡At³d§â±µ¦¬¤â¾÷¶Ç¨Óªº¨C¤@«ÊMMS°T®§¡A¸g¹L³B²z¤§«á¦A¶Ç°eµ¹¦¬¥óªÌ¡A¤]´N¬OClient¡C
MMSC (Server)¡÷ POP3
¡ÕPOP3 Server¦¬«H¡A¨Ã¥B§â¸ê®Æ¼g¤J¸ê®Æ®w¡Ö
¡Õ¥i¥ß§Y§Q¥Îºô¶ÂsÄý¤w±µ¦¬ªº·Ó¤ù¡Ö
MMSC (Server)¡÷ Client
¡ÕServerºÝ¡GMMSC ¡÷ Client°õ¦æµ²ªG¡Ö
¡ÕClientºÝ¡Gµ¥«Ý³s½u¡Ö
¡ÕClientºÝ¡G±µ¦¬ÀɮסA¨Ãµ¥«Ý¤U¤@Ó³s½u¡Ö
¡ÕClientºÝ¡G¦¬¨ì·s°T®§¡Ö
¡ÕClientºÝ¡Gshow¥X¦¬¨ìªº°T®§¡A¦P®É©ó¤U¤èÅã¥Ü±H¥óªÌ¨Ó·½¶l¥ó¦a§}¡Ö
Sender: PC --> Operator (TCC)--> Receiver: Cell Phone (through HTTP)
¡Õ¥i¹wÄý·Ó¤ù¡A¨Ã±N±ý¿ï¨úªº·Ó¤ù°µ¤W¶Çªº°Ê§@¡A¶ñ¤J¥D¦®¡B¤º®e¡Kµ¥¬ÛÃö¸ê®Æ¡A¶Ç°e°T®§¡Ö
¡Õ°T®§°e¥X¡A«á±¬OCGI°õ¦æªºµ²ªG ¡Ö
To be improved¡K
1. ¶Ç°e·Ó¤ù©Î¹Ï¤ùªº³¡¤À¡G¥i¥H°w¹ï±µ¦¬¦æ°Ê³]³Æªº¤£¦P¡A¦Û°Êªº§ïÅÜ·Ó¤ù©Î¹Ï¤ùµe½è¤Î¸ÑªR«×¡A¨Ã¥B ¥i ¥H¨Æ¥ý¹wÄý¶Ç°eµ²ªG¡C
2. ¨Ï¥ÎªÌ¤¶±¡G ¥[±j±µ¦¬»P¶Ç°eªº¨Ï¥ÎªÌ¤¶±¡A¨Ï¤§¬Ý°_¨Ó§ó¬üÆ[¡B§ó¤H©Ê¤Æ¡C