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tittle_cscf
  1 KB-CSCF : Overview
4
IMS ¸Á¿¡¼­ ¸ÖƼ¹Ìµð¾î ¼­ºñ½º Á¦°ø
2   À̵¿ Åë½Å»ç IP Network ±â¹ÝÀÇ Multi-media ¼­ºñ½º Á¦°ø
2   À½¼º ¹× ¿µ»ó ¼­ºñ½º ¹× ¸ÖƼ¹Ìµð¾î ºÎ°¡ ¼­ºñ½º Á¦°ø
     
   
4
Software Block Diagram
ims_02
   
  1 KB-CSCF : Features
4
ÀÚü ½ºÅà º¸À¯
2   SIP, Diameter, SCTP, etc ..
2   3GPP ¹× RFC Ç¥ÁØ Áö¿ø
   
4
°¢ ±â´Éº° ¸ðµâÈ­
2   CSCFº° Active/Standby ±¸Á¶·Î ´ÜÀ§ Áõ¼³ ¿ëÀÌ
2   ´Ù¾çÇÑ CSCF ±¸¼º °¡´É
    ex) P/I-CSCF, S-CSCF, P/I/S-CSCF
2   °³º° º¸µå º° žÀç °¡´É
   
4
ÀÚü ÀÌÁßÈ­ ¼Ö·ç¼Ç Á¦°ø : kHAD
2   ½Ç½Ã°£ call (dialog) »óÅ µ¿±âÈ­
2   Active/Standby ±¸Á¶ (V-IP°ü¸®)
   
4
User Profile °ü¸®
2   ±âº» 50¸¸ °¡ÀÔÀÚ
2   ÀÌÁßÈ­ Áö¿ø
    (Ãʱâ Fast ÀÌÁßÈ­ Dump ¾Ë°í¸®Áò »ç¿ë)
   
4
Diameter Transport µ¿½Ã Áö¿ø (TCP/SCTP)
2   Cx, Rx, Dx ÀÎÅÍÆäÀ̽º µ¿½Ã Áö¿ø
   
4
Linux 64ºñÆ®±â¹Ý °³¹ß : Ÿ OS È®Àå ¿ëÀÌ
   
4
Multi-Task base·Î system ¼º´É Çâ»ó
2   ÀÚü Task Queue »ç¿ë
    (System Resource »ç¿ë·® ÁÙÀÓ)
   
4
P-CSCF
2   ´Ü¸»ÀÇ ÃÖÃÊ Á¢¼ÓÁ¡ ¿ªÇÒ ¼öÇà
2   ´Ü¸» µî·Ï °úÁ¤ ±â´É Á¦°ø
3   SIP Call Proxy ±â´É
3   °¡ÀÔÀÚ µî·Ï °ü¸®
3   °ú±Ý ó¸®(Ro, Rf ÀÎÅÍÆäÀ̽º)
3   Emergency Call ó¸®
3   PREFIX º° ¶ó¿ìÆñâ´É (ENUM or SIP URIº°)
3   SigComp, IPSec Áö¿ø
3   QoS °ü¸® (Rx PCRF¿¬µ¿) - ÃßÈÄ Áö¿ø
   
4
I-CSCF
2   Âø½Å °¡ÀÔÀÚ°¡ ¼ÓÇÑ HSS Á¤º¸¸¦ Á¦°ø
2   ¹ß½Å °¡ÀÔÀÚÀÇ S-CSCF ÇÒ´ç ±â´É Á¦°ø
3   SIP Call Proxy ±â´É
3   REGISTER È£ 󸮸¦ À§ÇÑ HSS¿¬µ¿
3   Âø½Å ȣ󸮸¦ À§ÇÑ HSS¿¬µ¿
3   PREFIX º° ¶ó¿ìÆà ±â´É(ENUM or SIP URIº°)
3   TLS Áö¿ø
   
4
S-CSCF
2   ¸ðµç Session °ü¸® ±â´É
2   HSS¿Í ¿¬µ¿ ¹× °¡ÀÔÀÚ ÇÁ·ÎÆÄÀÏ Á¤º¸ À¯Áö
2   AS¿Í ¿¬µ¿ÇÏ¿© ¸ÖƼ¹Ìµð¾î Á¦°ø
3   SIP Call Proxy ±â´É
3   SIP REGISTR Agent ±â´É
3   Authentication ±â´É
    - AKAv1 MD5, AKAv2 MD5, SIP Digest
3   User Profile °ü¸® ±â´É
3   FC ó¸® ±â´É
    - iFC
3   Call Release±â´É(Dialog °ü¸®)
3   Event ó¸® ±â´É
    - REGISTER, 3rd-party REGISTER ]-Subscription/Notification ó¸®
3   User Profile HSS ¿¬µ¿ - Cx ÀÎÅÍÆäÀ̽º
3   SIP Forking ±â´É
3   AS ¿¬µ¿
    - Termination, Origination, Proxy ȣó¸® ¸ðµå
3   B2BUA (CALL IN/OUT Leg °ü¸®)
3   GRUU Áö¿ø
3   °ú±Ý ó¸®(Ro/Rf ÀÎÅÍÆäÀ̽º)
    - TLS Áö¿ø
   
4
H/W Specifications
Ç׸ñ ½Ã½ºÅÛ´ç ºñ°í
CPS
280 CPS
Holding Time 120 Sec
BHCA
1,008,000 BHCA
ÀÌÁßÈ­
°¡ÀÔÀÚ
50¸¸
 
   
  1 KB-CSCF : Standards
ÇÁ·ÎÅäÄÝ RFC ºñ°í
SIP
RFC 3261(SIP), RFC 3262(100rel), RFC3263(Localting SIP Servers), RFC3264(Offer/Answer SDP), RFC3265(Event otification),RFC3311(UPDATE), RFC 3313(Private SIP Extensions), RFC3323(Privacy header), RFC 3325(Private Extensions), RFC 3326(Reason header), RFC 3327(Path), RFC 3329(IPSec), RFC 3428, RFC 3455(P Extension), RFC 3485(SigComp), RFC 3486(SigComp), RFC 3515(REFER), RFC 3581(rport), RFC 3608(ServiceRoute), RFC 3680(Reg Event), RFC 3858(XML).
 
DIAMETER
RFC 3588, RFC 3589, RFC 4006
 
TLS
RFC 2246, RFC3820, RFC4132
 
SigComp
RFC 3320, RFC 3486, RFC 3485
 
DNS
RFC 1034, RFC 1035, RFC 2915, RFC 2782
 
ENUM
RFC 2916, RFC 3761
 
SCTP
RFC 2906, RFC 4906
 
3GPP ±Ô°Ý
TS 23.228(Architecture), 24.229(Protocols), 24.228(Call Flow), 23.002(Entity), 23.218(call models), Diameter-29.228, 29.229, 32.225, 32.299, 23.203, 29.214, 32.240, 32.260..
 


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