Y.2111 ITU-T (2006/09) ITU-T Y.2111

Transcription

1 Y.2111 ITU-T (2006/09) :Y - ITU-T Y.2111

2 Y Y.199 Y.299 Y.399 Y.499 Y.599 Y.699 Y.799 Y Y.100 Y.200 Y.300 Y.400 Y.500 Y.600 Y.700 Y.800 Y.1099 Y.1000 Y Y.1100 Y Y.1200 Y Y.1300 Y Y.1400 Y Y.1500 Y Y.1600 Y Y.1700 Y Y.1800 Y Y.2000 Y Y.2100 Y.2249 Y.2299 Y.2399 Y.2499 Y.2599 Y.2799 Y Y.2200 Y.2250 Y.2300 Y.2400 Y.2500 Y.2700 Y.2800 : :.

3 ITU-T Y.2111 (RACF). (QoS) RACF. RACF ( ) 13.ITU-T A.8 ITU-T Y.2111 i (2006/09) ITU-T Y.2111

4 (ITU-T)... (WTSA).. 1.(IEC) (ISO). " ".( ). " ".. ""... (TSB). ITU (2006/09) ITU-T Y.2111 ii

5 iii (2006/09) ITU-T Y RACF... QoS NAT NAPT Rs Rw Rc Ru Rt Rp Ri Rd QoS NAT NAPT QoS RACF -... TRC-FE -... IP TRC-FE I II II

6 MPLS TRC-FE 2.II... TRC-FE 3.II... TRC-FE 4.II...TRC-FE - III... (2006/09) ITU-T Y.2111 iv

7 ITU-T Y (QoS) (RACF) RACF.(NGN) ( ) ) (IP) RACF.(..(NAT) (NAPT) 2.NAT NAPT QoS VoIP [Y.1291] [Y.2001] [Y.2011] [Y.2012] ITU-T Recommendation Y.1291 (2004), An architectural framework for support of Quality of Service in packet networks. ITU-T Recommendation Y.2001 (2004), General overview of NGN. ITU-T Recommendation Y.2011 (2004), General principles and general reference model for Next Generation Networks. ITU-T Recommendation Y.2012 (2006), Functional requirements and architecture of the NGN. :.QoS :(absolute QoS) QoS (2006/09) ITU-T Y.2111

8 QoS :(relative QoS) QoS 2.3..QoS. IP :(gate) 3.3 (IPv4 5-tuple ).. :(gate control) 4.3. :(media flow) 5.3. :(firewall working mode selection) 6.3 ( TCP/UDP IP ). :(network address translation) 7.3. ( ) :(network address port translation) (NAPT) 8.3. ( ) UDP TCP.NAPT :(network address translator) (NAT) 9.3 () NAT NAT :NATs. :(NAPT control) NAT NAT :(NAT traversal) () NAT :(path-coupled QoS signalling) :(technology dependent resource control functions). :(hard state). :(soft state) :(technology independent resource control functions) (2006/09) ITU-T Y

9 : AAA (Asynchronous Transfer Mode) ATM (Code Division Multiple Access) CDMA (Cable Modem Termination System) CMTS (Core Network Path Selection) CNPS (Customer Premises Equipment) CPE (Customer Premises Network) CPN (Differentiated Services) DiffServ (Denial of Service) DoS (Differentiated Services CodePoint) DSCP (Digital Subscriber Line) DSL DSLAM (Element Resource Control) ERC (Emergency Telecommunications Service) ETS (Final Decision Point) FDP (Firewall Working Mode Selection) FWMS (Gate Control) GC (Gateway GPRS Support Node) GPRS GGSN (GPRS Tunnelling Protocol) GPRS GTP (Hypertext Transfer Protocol) HTTP (Identifier) ID IMS (Internet Protocol) IP IPMC (Local Area Network) LAN (Label Switched Path) LSP (Logical Transport Network) LTN (Multi-Protocol Label Switching) MPLS NACF (Network Address Port Translation) NAPT (NAPT Control) NAPT NAPTC (Network Address Translator) NAT (Next Generation Network) NGN (Authentication, Authorization and Accounting) (Digital Subscriber Line Access Multiplexer) (IP Multimedia Subsystem) (IP Packet Marking Control) (Network Attachment Control Functions) 4 3 (2006/09) ITU-T Y.2111

10 (Network Topology and Resource Database) (Network Resource Maintenance) (Network Selection) (Network Topology Maintenance) - - (Point-to-Point Protocol) QoS - QoS (Quality of Service) (Resource Decision Request) (Resource Initiation Response) (Resource Initiation Request) (Rate Limiting Control) (Resource Modification Request) (Resource Release Request) ReSerVation (RTP Control Protocol) RTP (Real-Time Transport) (Service Control Function) (Service Level Agreement) (Transport Layer Security) (User Datagram Protocol) Datagram (User Equipment) (Virtual Channel Identifier) (Virtual Path Identifier) (Virtual Private Network) (Proxy-Call Session Control Function) (Policy Decision Functional Entity) (Policy Enforcement Functional Entity) (Private Network-to-Network Interface) (QoS Mapping Technology Dependent) (QoS Mapping Technology Independent) (Resource and Admission Control Function) (Resource ReSerVation Protocol) (Transmission Control Protocol) (Technology Dependent Decision Point) (Telecommunications for Disaster Relief) (Transport Resource Control Functional Entity) (Transport Resource Enforcement Functional Entity) (Universal Mobile Telecommunications System) (2006/09) ITU-T Y.2111 NRM NS NTM NTRD P-CSCF PD-FE PE-FE PNNI PPP QMTD QMTI QoS RACF RDR RIP RIR RLC RMR RRR RSVP RTCP RTP SCF SLA TCP TDDP TDR TLS TRC-FE TRE-FE UDP UE UMTS VCI VPI VPN 4

11 5 QoS [Y.1291] (SCF) (RACF) NGN [Y.2001] [Y.2011] RACF. ([Y.2171] ) SLAs. NGN RACF NACF NGNs CPE Y.2111(06)_F01. RACF CPE - NGN RACF - Y.2111/1 SCF RACF SCF RACF. QoS / ( [RFC 3261] SIP ).NAT NAPT/ NGN NGN SCF RACF RACF. :. RACF RACF RACF.. RACF SCF. NGNs :. QoS 2.5 (1 5 (2006/09) ITU-T Y.2111

12 Ethernet WLAN.SCF LAN cable CDMA2000 UMTS xdsl ) ( ) (ATM IP MPLS ) QoS CPE. CPE's. (RSVP [RFC 2205] [TS ] (GPRS).. SCF QoS. QoS QoS.. RACF. QoS ) QoS QoS ) ( QoS.(.[Q.Sup51] QoS.QoS QoS QoS.. NAPT. ( ) NAT. :.QoS / (. ( (. QoS (. - -.( ) (..QoS (2 (3 (4 (5 (6 (7 (8 (9 (10 (11 (12 (13 ( (2006/09) ITU-T Y

13 .(vanilla soft phone, gaming consoles QoS RACF QoS CPE QoS : CPE QoS ) QoS CPE - SCF. QoS CPE. QoS SDP [RFC 4566]/SIP SIP ) - QoS CPE (QoS extensions [RFC 3312] ( ) QoS CPE. QoS. QoS.(ATM PNNI/Q.931 GPRS.(UMTS UE.(SGSN/GGSN CMTS ) QoS CPE - 3 ) RSVP CPE DSLAM ) QoS.CPE SCF QoS RACF QoS CPE :SCF RACF :. RACF :. QoS SCF CPE 1.CPE 3. QoS SCF CPE 2 CPE.QoS QoS CPE CPE QoS : QoS QoS. QoS :().. QoS :(). 7 (2006/09) ITU-T Y.2111

14 QoS :(). ( ) :... : RACF. : -... :... :. : RACF SCF :. QoS :.. : : RACF : RACF.SCF... :. RACF.QoS IP QoS (2006/09) ITU-T Y

15 .( ). ( ) RACF. ( ) QoS. QoS CPE QoS RACF. CPE.CPE QoS :1 QoS ) SCF. QoS.QoS CPE 1 RACF QoS (IMS IMS [TS ].QoS QoS. QoS CPE 2 QoS (QoS SDP/SIP ) QoS (P-CSCF in IMS ) SCF. QoS.QoS RACF QoS. CPE 3 QoS CPE / QoS QoS QoS..CPE RACF QoS 2 (1) (2) NACF RACF (3) CPE Y.2111(06)_F Y.2111/2 9 (2006/09) ITU-T Y.2111

16 SCF (HTTP Get SIP Invite ) CPE. QoS. QoS ( ) QoS SCF. QoS RACF QoS RACF RACF.NACF. QoS :2 (1 (2 (3 QoS CPE QoS.CPE 3 (RSVP GPRS ) QoS CPE 3. ( ) QoS.SCF QoS QoS QoS 3 (1) (2) (3) NACF RACF (5) (6) CPE (4) Y.2111(06)_F Y.2111/3 RACF.SCF (HTTP Get SIP Invite ) CPE. () QoS. ( ) QoS SCF. QoS. RACF...[RFC 3520] (1 (2 (3 (2006/09) ITU-T Y

17 . QoS CPE. QoS QoS. RACF QoS. NACF RACF RACF.. NAT NAPT (4 (5 (6 2.6 NAT NAPT NAPT RACF NAPT / / NAPT NAT NAPT NAPT..NAPT () NAT. () NAT. NAT CPE's NAT..NAT NAT. NAT. NAT NAT NAT NAPT NAT NAPT SCF RACF RACF SCF. NAT NAPT : 4 / : NAPT. NAPT ) NAPT :NAPT.( / ( ) NAPT :NAPT. 11 (2006/09) ITU-T Y.2111

18 NAPT NAPT RACF CPE NAPT Y.2111(06)_F04 NAT NAPT - Y.2111/4 / NAT NAPT RACF NAPT SCF NAPT NAPT. / NAPT 7 RACF Ru Rp TRC-FE Rd Rt Rs PD-FE Ri NGNs Rn Rc Rw TRE-FE PE-FE NGN - Y.2111/5 Y.2111(06)_F05 :. 5 ( ) SCF ( ) PD-FE ( ) TRC-FE ( ) TRE-FE ( ) PE-FE.( ) NACF (2006/09) ITU-T Y

19 PE-FE PE-FE CPE/CPN. NGNs. NGNs NATs IPv6 IPv4 NGN.. PD-FE NACF. (Rw Rs ) Rc. Rn TRE-FE TRE-FE PE-FE. [Y.2012] ) PD-FE.5.TRC-FE PE-FE ( /. RACF. TRC-FE PD-FE. TRC-FE ( ) RACF PD-FE TRC-FE 1.7 : RACF PD-FE.( ). ( ) PD-FE.SCF SCF PD-FE SCF SLAs NACF PD-FE. PE-FEs PD-FE.TRC-FE PD-FE. SCF.. PD-FE -. PF-FE PD-FE -.Rd PD-FE -.PD-FE TRC-FE PD-FE. TRC-FE QoS Rt TRC-FE TRC-FE. /. TRC-FE -..Rp TRC-FE -.PD-FE TRC-FE - TRC-FE TRC-FE PD-FE - QoS Rp 13 (2006/09) ITU-T Y.2111

20 QoS TRC-FE PD-FE. PD-FE PD-FE TRC-FE -. TRC-FE [Y.2012] NGN NGN SCF.Rs NACF.. SCF. SCF (L1/L2/L3 VPN ) / ( ) PE-FE.NAT NAPT QoS. CPE TRC-FE ( ) TRE-FE. Rn TRE-FE. SCF.Rs PD-FE SCF. ) QoS PD-FE SCF.( ) PD-FE SCF.(. PD-FE SCF. PD-FE SCF.( ) SCF. () SCF NAPT.. PD-FE SCF. SCF PD-FE.CPE : (2006/09) ITU-T Y

21 . NACF.IP.( ).. Ru NACF PD-FE. IP / TRC-FE PD-FE PD-FE ( ).SCF QoS SCF QoS. ([Y.1541] Y.1541 ) NA(P)T IP - Y.2111/1.. NA(P)T.( ). /.. PE-FE - NAT IP QoS NAPT FDP QMTI GC IPMC NAPTC RLC FWMS CNPS NS TRC-FE - Y.2111/2.( ) QoS QoS - QoS QMTD. TDDP. NTM. NRM QoS ERC.(LSP VPN VLAN ). ERC - 15 (2006/09) ITU-T Y.2111

22 (PD-FE) Rw PE-FE Rs SCF QoS PD-FE : PD-FE QoS :(FDP) Rt TRC-FE. / QoS FDP -.. SCF : FDP -. PD-FE SCF QoS :(QMTI) - QoS. (Y.1541 ) QoS Rs SCF PE-FE :(GC) IP.( ) Rw. (VLAN/VPN ID ) (IPv4 5-tuple ) IP. :(NAPTC) NAT. SCF PE-FE :(NAPTC) NAT NAPT. NAT NAPT.( ) :(RLC) :(FWMS) statful )..( / :(CNPS). PD-FE. QoS :(NS). PE-FE ) PD-FE PE-FE.( / ) ( / / ) IP ID.( NAPT. / (2006/09) ITU-T Y

23 . stateless stateful PD-FE. - stateless PD-FE SCF PD-FE stateless. PE-FE TRC-FE SCF PD-FE stateful PD-FE (PE-FE PD-FE TRC-FE PD-FE PD-FE SCF )./ ( ) ( / ) (TRC-FE) : TRC-FE. TRC-FE TRC-FE. : QoS TRC-FE PD-FE (Y.1541 ) PD-FE.PD-FE : TRC-FE. ) PD-FE PD-FEs TRC-FE.TRC-FE PD-FE ( / ).( QoS : TRC-FE QoS :(QMTD) - QoS ( ) QoS Rt PD-FE. TRC-FE ( ) QoS QoS QoS QoS. QoS TRC-FE. ( ) ( ) QoS QoS.. PD-FE QoS :(TDDP) QoS.Rt..QoS.( ) ( ) PD-FE - 17 (2006/09) ITU-T Y.2111

24 :(NTM) PE-FE TRE-FE Rc.Rc. [Y.2012].Rc :(NRM) QoS :(ERC). ERC.(LSP VPN VLAN ) QoS TRC-FE TRC-FE.. TRC-FE. QoS.III :TRC-FE RACF (PE-FE) IP PD-FE PE-FE (IPv4 5-tuple ) :PE-FE. (LSP Lable VLAN/VPN ID ).IP :..... QoS QoS IP.(802.1p ).NAT. ( ).( ) :.PD-FE :. : -. (2006/09) ITU-T Y

25 :. TCP/UDP :Stateful. TCP/UDP :. TRE-FE VPN VLAN ) TRC-FE TRE-FE VLAN/VPN ID ).(MPLS LSP TRE-FE.(LSP Lable. ATM. TRE-FE PE-FE PD-FE TRC-FE PD-FE PDE-FE SCF ) (PD-FE PD-FE TRC-FE TRC-FE : PD-FE PD-FE SCF ) : IP (TRC-FE.DNS.(FQDN) : DNS.. Rt Rw Rs ) ( ) IP PD-FE. (Rp Rd Ri QoS RACF :PD-FE PE-FE.SCF PD-FE :. PD-FE PD-FE PD-FE NAPT NAPT :( IP ). IP SCF CPE PD-FE (1 (2 19 (2006/09) ITU-T Y.2111

26 :( ). PD-FE. RACF :. NACF (3 (4." " " " - Rs 1.8.SCF PD-FE QoS QoS Rs Rs.. PE-FE NAT NAPT. Rs : SCF Rs QoS NAPT.. SCF : Rs Rs :.PD-FE SCF Rs :. (2006/09) ITU-T Y

27 stateful PD-FE : stateless PD-FE... PE-FE SCF.Rs PD-FE SCF : -.( ).PD-FE.(SCF PD-FE ) :. : SCF : PD-FE PD-FE SCF :.PD-FE SCF : :- - /- -. PD-FE PD-FEs SCF :- - SCF :- - (1 (2. PD-FE SCF : Rs ( ).3 (Rs). - Y.2111/3 SCF SCF.SCF.RACF IP. CPE.(CPE.CPE IP ) IP. IP.VPN ID. ( ) CPE ).CPE ) IP (1 (1 IP ) 21 (2006/09) ITU-T Y.2111

28 . ( ). PD-FE SCF (). PD-FE /. PD-FE. ( ) PD-FE (PD-FE SCF ).stateless PD-FE.SCF. IP - ( ). - (Rs) QoS. SCF - QoS QoS 4 - Y.2111/4.(VoIP RTCP RTP )..(SDP "m=" ).( ) ( ) () PD-FE PD-FE (SCF ). SLA ( Y.1541 ).(TDR/ETS ) ( ). (Rs). 5 - Y.2111/5. "out in" "in"....(ipv6 IPv4 ) out in in out) - ( (2006/09) ITU-T Y

29 .(RTCP RTP. )..(TCP UDP ). BW. IP (Rs) - Y.2111/6. PD-FE SCF. ( ) (Rs) - Y.2111/7. SCF ID ( ) / (Rs) - Y.2111/8.( + ) " " QoS." + " " ".( ) ().( ). Timestamp.( ). ( ).. PD-FE SCF. PD-FE ( ).( ) SCF.SCF 23 (2006/09) ITU-T Y.2111

30 () (Rs) - Y.2111/8. SCF. SCF SCF. / NAPTs. NAT NAPT.. NAPT SCF NAPT PD-FE. SCF SCF NAT.SCF NAT ( ) RACF.. NAT SCF NAPT PD-FE. SCF. SCF NAT NAPT () Rs Rs ( ) PD-FE SCF. : SCF ( ) IP IP - - ( ) () () () () ( ) ( ) - (2006/09) ITU-T Y

31 - - () - ( ) - - IP ( ) NAT NAPT SCF SCF PD-FE : SCF () () ( ) () 25 (2006/09) ITU-T Y.2111

32 - - () - ( ) - - IP () NAT NAPT PD-FE SCF :.stateless PD-FE SCF SCF () () ( ) () ( ) () - - () - ( ) - - (2006/09) ITU-T Y

33 IP ( ) NAT NAPT SCF SCF PD-FE ) SCF PD-FE :. ( SCF () ( ) () - - () - ( ) (2006/09) ITU-T Y.2111

34 PD-FE IP ( ) () NAT NAPT SCF :. SCF () ( ) () - - () - ( ) - - IP (2006/09) ITU-T Y

35 ( ) () NAT NAPT - :. SCF PD-FE SCF () () ( ) - - () - ( ) - - IP (2006/09) ITU-T Y.2111

36 PD-FE SCF. :. SCF ( ) ( ) () ( ) - - () - ( ) - - IP (2006/09) ITU-T Y

37 SCF PD-FE : SCF ( ) ( ) SCF SCF PD-FE : SCF ( ) Timestamp : :. PD-FE SCF SCF ( ) Rw 2.8.PD-FE PE-FE ( ) Rw. PE-FE NAT /NAPT. Rw PE-FE PE-FE PD-FE Rw :PD-FE. / QoS (2006/09) ITU-T Y.2111

38 ( / ) NAPT. / PE-FE PD-FE.CPE. NAPT. Rw : Rw Rw :.PE-FE PD-FE Rw :. stateful PD-FE : stateless PD-FE... PE-FE SCF Rw PE-FE PD-FE : -.( ).PE-FE.(PD-FE PE-FE ) :. : PD-FE : PE-FE PE-FE PD-FE :. PE-FE PD-FE PE-FE PE-FE : :- - /- - PE-FEs PD-FE :- - PD-FE :- - (2.. PE-FE PD-FE (1 (2006/09) ITU-T Y

39 3.2.8.Rs Rw.QoS PD-FE.Rw (Rw) Y.2111/9. PD-FE.PE-FE.PD-FE. ( ) SCF ).RACF.. PE-FE SCF PD-FE. PD-FE /...PD-FE (PE-FE PD-FE ).PD-FE (2 PD-FE ) ( ) ) (3 ) (4 ( ) SCF PD-FE - 2. / PD-FE PE-FE - 3 PD-FE stateless PD-FE - 4.(TRC-FE ) (Rw) QoS PE-FE QoS QoS 10 - Y.2111/10.(VoIP RTCP RTP ).(SDP "m=" ) 33 (2006/09) ITU-T Y.2111

40 (Rw) QoS.(Regular Silver Gold Premium - Y.2111/10.(Y.1541 ) CPE ) QoS SLA SCF CoS..(TDR-ETS ) PE-FE / (VPN ID ). PE-FE (IP ) CPE.Ru. MAC PPP ATM VPI/VCI ) CPE PE-FE.( GTP MPLS Lable. 2 IP QoS "out in" () ( ) ( ) () () ) -.( (Rw) Y.2111/11. "in"...scf.(rtcp RTP PD-FE.(IPv6 IPv4 ). )..(TCP UDP out in in out) - ( IP ). BW. IPv4 DSCP ) PE-FE IP QoS () IP QoS. CoS.(IPv6 ) ( ).([Y.1221] (2006/09) ITU-T Y

41 (Rw) Y.2111/12 PD-FE.. PD-FE PE-FE (Rw) ( ). - - Y.2111/13 SCF ID. (Rw) ( ) - Y.2111/14.( + ) " " " QoS." + " ".( ).( )..( )... PE-FE PD-FE. PE-FE ( ).( ).PD-FE PD-FE. PD-FE. PD-FE PD-FE. / NAPT. NAT NAPT () Timestamp ( ) NAPT () NAT 35 (2006/09) ITU-T Y.2111

42 PD-FE PE-FE PD-FE (Rw) - Y.2111/14. NAPT PD-FE NAPT PE-FE. PD-FE.PD-FE NAT. NAT ( ). NAT PD-FE NAPT PE-FE. SCF. Rw Rw ( ) PE-FE PD-FE. :.stateless PE-FE PD-FE PD-FE () ( ) () () () ( ) - () - ( ) - ( ) - - (2006/09) ITU-T Y

43 . PD-FE IP () IP QoS () () () () ( ) NAT NAPT PE-FE : PD-FE () ( ) () ( ) () - 37 (2006/09) ITU-T Y.2111

44 . PE-FE () - ( ) - - IP () IP QoS () () NAT NAPT PD-FE PD-FE () ( ) () () ( ) - () - ( ) - (2006/09) ITU-T Y

45 ( ) IP IP QoS () () () ( ) () NAT NAPT PD-FE PE-FE ) PD-FE PE-FE :.( PD-FE () ( ) (2006/09) ITU-T Y.2111

46 PE-FE ( ) () () - () - ( ) - ( ) - - IP IP QoS () () () ( ) () NAT NAPT PD-FE :. PD-FE (2006/09) ITU-T Y

47 () ( ) ( ) () ( ) () - () - ( ) - ( ) - - IP () IP QoS () () () ( ) () NAT NAPT - 41 (2006/09) ITU-T Y.2111

48 :. PD-FE PE-FE PD-FE () ( ) () ( ) - () - ( ) - - IP QoS IP () (2006/09) ITU-T Y

49 PD-FE PE-FE :. PD-FE () ( ) ( ) () () - () - ( ) - ( ) - - IP QoS IP () () () () NAT NAPT (2006/09) ITU-T Y.2111

50 PE-FE PD-FE :. PD-FE () ( ) ( ) () ( ) - () - ( ) - ( ) - - IP () IP QoS () () () (2006/09) ITU-T Y

51 ( ) () NAT NAPT PE-FE PD-FE : PD-FE ( ) () - () - ( ) - () - - IP () IP QoS () () 45 (2006/09) ITU-T Y.2111

52 () ( ) () NAT NAPT :. PD-FE PE-FE PD-FE () ( ) PD-FE PE-FE : PD-FE () ( ) ( ) Timestamp :. PD-FE PD-FE () ( ) (2006/09) ITU-T Y

53 Rc 3.8. Rc -. TRC-FE Rc Rc. [Y.2012] TRE-FE PE-FE.. Rc : TRC-FE Rc. ( ) TRC-FE..Rc TRC-FE : -.( ).(TRC-FE ) :. :. TRC-FE : TRC-FE :. TRC-FE L2/L3. TRC-FE TRC-FE.. Ru 4.8 CPE NACF PD-FE Ru. IP / 47 (2006/09) ITU-T Y.2111

54 . Ru : RACF Ru : Ru Ru :.NACF PD-FE Ru :. stateful PD-FE : stateless PD-FE... PE-FE SCF.Ru NACF PD-FE : -.( ).PD-FE.(PD-FE NACF ) :. : PD-FE : NACF NACF PD-FE :.NACF PD-FE.NACF PD-FE :- -. NACF PD-FE (2006/09) ITU-T Y

55 Ru - Y.2111/15 IP IP. CPE.CPE IP IP.(VPN ID ) IP. CPE.CPE IP ) CPE () ( MAC PE-FE ) CPE.( GTP MPLS Lable PPP ATM VPI/VCI CPE 2..CPE () Ru Y.2111/16 () IP Silver Gold.(Y.1541 Ru - Y.2111/17 () ) CPE ) QoS.(Regular Premium CoS SLA SCF.. 49 (2006/09) ITU-T Y.2111

56 Ru : Ru.PD-FE NACF.NACF PD-FE NACF PD-FE PD-FE NACF / IP.NACF PD-FE :Ru NACF PD-FE NACF / IP :. ( ) IP IP - - ( ) PD-FE NACF :. SCF ( ) IP IP - - ( ) () () () (2006/09) ITU-T Y

57 PD-FE NACF.PD-FE IP : ( ) IP IP - - ( ) () () () () PD-FE PD-FE NACF.( DHCP ) IP : ( ) IP IP - - ( ) (2006/09) ITU-T Y.2111

58 Rt QoS TRC-FE PD-FE Rt..PD-FE TRC-FE NACF. Rt QoS TRC-FE PD-FE Rt TRC-FE PD-FE : Rt Rt :.TRC-FE PD-FE Rt :. stateful PD-FE : stateless PD-FE... PE-FE SCF.Rt TRC-FE PD-FE : -.( ).TRC-FE.(PD-FE TRC-FE ) :. : PD-FE : TRC-FE TRC-FE PD-FE :. PE-FE PD-FE TRC-FE : :- - /- -. TRC-FE TRC-FE PD-FE :- - PD-FE :- - (1 (2 (2006/09) ITU-T Y

59 PD-FE.Rt..Rs Rt.QoS Rt Y.2111/18. PD-FE PD-FE.PD-FE.TRC-FE CPE IP ) IP. (1.CPE IP IP (VPN ID ) IP. CPE.CPE. ( ) SCF.RACF (2 ) (3 ). (). TRC-FE SCF. PD-FE /. PD-FE..PD-FE (TRC-FE PD-FE ).stateless PD-FE (5 (4 ) ) ( ) SCF PD-FE -. / PD-FE PE-FE PD-FE stateless PD-FE - 5.(TRC-FE PE-FE ) QoS QoS (2006/09) ITU-T Y.2111

60 (Rt) QoS - Y.2111/19.(VoIP RTCP RTP ).(SDP "m=" ) - ) - ( Silver Gold Premium.(Y.1541 ) CPE ) QoS.(Regular SLA SCF CoS. ).(TDR/ETS ). PE-FE IP. PE-FE IP.(Y.1541 PE-FE /.(VPN ID ).. IP ) CPE. Link ID MAC PE-FE.Ru ) CPE.( GTP Tunnel MPLS Label PPP ATM VPI/VCI 2 PE-FE.Ru. CPE Silver Gold Premium.(Y.1541 CPE ) CPE ) QoS.(Regular SLA SCF CoS CPE CPE. IP QoS () - ( ) - () - () - ( ) - ( ) - - () () () () ) -.(. 20 (2006/09) ITU-T Y

61 "out in".(rtcp RTP (Rt) - Y.2111/20. "in"....(ipv6 IPv4 ). )..(TCP UDP out in in out) - ( IP ) ID. BW.. IPv4 DSCP ) PE-FE CoS IP QoS () IP QoS.(IPv6 ) ().([Y.1221] (Rt) - Y.2111/21.( + ) " " QoS." + " " ".( ) Timestamp..( ). ( ).. TRC-FE PD-FE. ( ).( ) TRC-FE 55 (2006/09) ITU-T Y.2111

62 (Rt) - Y.2111/21 PD-FE.PD-FE. PD-FE.PD-FE PD-FE Rt Rt ( ) ( ) TRC-FE PD-FE : PD-FE ( ) IP IP - - ( ) () () () ( ) - () - () - ( ) - () - () - ( ) - - (2006/09) ITU-T Y

63 IP () IP QoS () () () () () ( ) PD-FE TRC-FE PD-FE () 57 (2006/09) ITU-T Y.2111

64 () ( ) () - () - () - ( ) - () - () - ( ) - ( ) - - IP () IP QoS () TRC-FE PD-FE.stateless TRC-FE PD-FE ( ) (2006/09) ITU-T Y

65 () ( ) - () - () - ( ) - () - () - ( ) - - IP () IP QoS () () () () () ( ) 59 (2006/09) ITU-T Y.2111

66 PD-FE TRC-FE ) PD-FE TRC-FE :.( PD-FE ( ) - () - () - ( ) - () - () - ( ) - - IP (2006/09) ITU-T Y

67 . TRC-FE () IP QoS () () () () () ( ) PD-FE : PD-FE () ( ) - () - () - ( ) - () - () - ( ) - 61 (2006/09) ITU-T Y.2111

68 . PD-FE ( ) - - IP () IP QoS () () () () () ( ) TRC-FE : PD-FE (2006/09) ITU-T Y

69 () ( ) () - () - () - ( ) - () - () - ( ) - - IP () IP QoS () ( ) TRC-FE PD-FE.stateless TRC-FE و : 63 (2006/09) ITU-T Y.2111

70 PD-FE () ( ) () - () - () - ( ) - () - () - ( ) - - IP () IP QoS () () () () () (2006/09) ITU-T Y

71 - ( ) PD-FE TRC-FE : PD-FE () ( ) PD-FE TRC-FE : PD-FE () ( ) Timestamp TRC-FE PD-FE : PD-FE () ( ) 65 (2006/09) ITU-T Y.2111

72 Rp TRC-FE.. SCF NGN. SCF. SCF. TRC-FE PD-FE SCF TRC-FE TRC-FE SCF..PD-FE. Rp QoS TRC-FE Rp TRC-FE Rp..PD-FE : Rp Rp :.TRC-FE Rp :. stateful PD-FE : stateless PD-FE... PE-FE SCF. TRC-FE TRC-FE.Rp TRC-FE : -.( ).( TRC-FE TRC-FE ) :. : TRC-FE : TRC-FE TRC-FE :. TRC-FE TRC-FE (2006/09) ITU-T Y

73 : ( ) Rp - Y.2111/22. TRC-FE TRC-FE.PD-FE.TRC-FE SCF () PD-FE. PD-FE /.. ( ).TRC-FE (TRC-FE ).stateless PD-FE Rp QoS QoS 23 - Y.2111/23.(VoIP RTCP RTP ).(SDP "m=" ).( ).(Regular Silver Gold Premium.(Y.1541 ) CPE ) QoS SLA SCF CoS..(TDR/ETS ). PE-FE IP () ( ) (). PE-FE IP () PE-FE / ( ).(VPN ID ) (2006/09) ITU-T Y.2111

74 "out in".(rtcp RTP Rp - Y.2111/24. "in"....(ipv6 IPv4 ). )..(TCP UDP out in in out) - ( IP ) ID. BW. IPv4 DSCP ) PE-FE IP QoS () IP QoS. CoS.(IPv6 ) ().([Y.1221] Rp - Y.2111/25.( + ) " " QoS." + " " ".( ). Timestamp.( ). ().. TRC-FE TRC-FE. ( ).( ) TRC-FE TRC-FE.TRC-FE. TRC-FE TRC-FE.TRC-FE (2006/09) ITU-T Y

75 QoS.Rp Rp TRC-FE TRC-FE :. TRC-FE () () ( ) - () - () - ( ) - () - () - ( ) - ( ) - - IP () IP QoS () ( ) - 69 (2006/09) ITU-T Y.2111

76 TRC-FE TRC-FE : TRC-FE () () ( ) () - () - () - ( ) - () - () - ( ) - ( ) - - IP () IP QoS () (2006/09) ITU-T Y

77 QoS TRC-FE TRC-FE :. TRC-FE () () ( ) () - () - () - ( ) - () - () - ( ) - ( ) - - IP () IP QoS () ( ) (2006/09) ITU-T Y.2111

78 TRC-FE TRC-FE QoS TRC-FE TRC-FE :. QoS. QoS TRC-FE () ( ) TRC-FE : TRC-FE () ( ) TRC-FE TRC-FE : TRC-FE () ( ) TRC-FE TRC-FE :. TRC-FE (2006/09) ITU-T Y

79 () ( ) Ri 7.8. Ri.. QoS Ri SCF PD-FE Ri. PD-FE Ri PD-FE SCF. PD-FE PD-FE SCF :. Ri. Ri Rs Ri. PD-FE Rd 8.8. Rd PD-FE.Rs SCF PD-FE Rs PD-FE.PE-FE.Rd PD-FE. PE-FE PE-FE Rd PD-FE. PE-FE PD-FE SCF PD-FE. Rd 73 (2006/09) ITU-T Y.2111

80 Rs Rd PD-FE Rd. - Y.2111/26 X X Rs X Rw X Rc X Rp X Rt X Ru X Rd X Ri. -.( ). QoS QoS SCF RACF SCF QoS SCF ) RACF. QoS. (.SCF QoS QoS SCF (2006/09) ITU-T Y

81 PE-FE PD-FE TRC-FE SCF 1. Trigger ().3 /.4 ( ).2 ( ).5 ( / ). 6 ( / ).7.8 QoS SCF - Y.2111/6 Y.2111(06)_F06.SCF (( ) RIP ). SCF. ( ) QoS SCF Rs PD-FE QoS ( ) RIR. QoS PD-FE. QoS PD-FE ( ) RIR PD-FE QoS.NACF TRC-FE. PD-FE PD-FE TRC-FE RIR ( ) PD-FE TRC-FE. TRC-FE. QoS.PD-FE (RIP ) ( ) RIR PD-FE.4 3 PD-FE.SCF RIP.PE-FE RIR PD-FE (( + ) RIR ) PD-FE RIR ( ) RIR (( ) ).( ) RIR PD-FE RIP PD-FE () PE-FE.SCF RIP PD-FE (1 (2 (3 (4 (5 (6 (7 (8 75 (2006/09) ITU-T Y.2111

82 PE-FE PE-FE. 7.SCF ( ) RIR PE-FE PD-FE SCF ( ).4.3 ( ) - Y.2111/ Trigger Y.2111(06)_F07 PE-FE.PE-FE SCF (() RMR ) 8. PE-FE PD-FE SCF Trigger Y.2111(06)_F08 - Y.2111/8 QoS SCF () RMR ) 9 QoS SCF () RMR.(QoS ) PD-FE () RMR. SCF.SCF. (2006/09) ITU-T Y

83 PE-FE PD-FE TRC-FE SCF.3.4 ( ).5.6 ( / /).2 1. Trigger.7.8 QoS SCF - Y.2111/9 Y.2111(06)_F09. SCF (RRR.SCF QoS ) 10 QoS SCF RRR. SCF PE-FE PD-FE TRC-FE SCF / / Trigger SCF QoS - Y.2111/10 Y.2111(06)_F SCF - PE-FE QoS PE-FE PD-FE. PD-FE PE-FE..11 SCF 77 (2006/09) ITU-T Y.2111

84 PE-FE PD-FE TRC-FE SCF 1. Trigger PE-FE - Y.2111/11 Y.2111(06)_F011 TRC-FE QoS TRC-FE SCF PD-FE. PD-FE TRC-FE PE-FE (RRR) PD-FE..12 PE-FE PD-FE TRC-FE SCF.4 1. Trigger TRC-FE - Y.2111/12 Y.2111(06)_F12 QoS 'QoS ' CPE CPE QoS QoS CPE '. QoS (RDR ) RACF CPE 'QoS.RACF.CPE QoS CPE QoS CPE QoS 13 CPE QoS (2006/09) ITU-T Y

85 CPE PE-FE PD-FE TRC-FE SCF QoS QoS 1. Trigger / /.5 ( ).3 CPE QoS - Y.2111/13 Y.2111(06)_F13 CPE QoS (RDR ) QoS. QoS. QoS PD-FE QoS RDR PE-FE CPE 'QoS ' QoS PE-FE.PD-FE Rw. QoS PD-FE PD-FE CPE ( QoS SCF ) RDR. SCF (RAR ). SCF QoS SCF SCF.14 (1 (2 (3 CPE PD-FE SCF ().2 1. Trigger SCF QoS.3 ).4 ( SCF 4 QoS - Y.2111/14. ( ) Y.2111(06)_F14 79 (2006/09) ITU-T Y.2111

86 QoS PD-FE.NACF PD-FE TRC-FE. PD-FE PD-FE TRC-FE ( ) PD-FE RIR TRC-FE. QoS. QoS.PD-FE RIP ( ) RIR TRC-FE.5 4 PD-FE.PE-FE (RDP ) ( ) PD-FE PE-FE RDR. ( ) RIR. ( ( ( 15. QoS PE-FE.QoS PE-FE (4 (5 (6 (7 CPE PE-FE QoS PE-FE ( CPE PE-FE QoS PE-FE ( CPE PE-FE QoS PE-FE ( ( ) QoS - Y.2111/15 CPE QoS Y.2111(06)_F PE-FE RDR 16 QoS CPE. CPE QoS RDR (2006/09) ITU-T Y

87 CPE PE-FE PD-FE TRC-FE SCF QoS 1. Trigger.2 ( ) /. 3.4 QoS CPE.7 / ( ).6 QoS - Y.2111/16.5 Y.2111(06)_F PE-FE PD-FE.( ) RIR PD-FE SCF.SCF.17 SCF ( ) RIR PE-FE PD-FE SCF.3 ( ).4 ( ) Y.2111/17 1.Trigger Y.2111(06)_F PE-FE SCF RMR 18.PE-FE. 81 (2006/09) ITU-T Y.2111

88 PE-FE PD-FE SCF Y.2111/18 1.Trigger Y.2111(06)_F18 CPE QoS PE-FE 19 CPE QoS. CPE QoS CPE PE-FE PD-FE TRC-FE SCF QoS 1. Trigger CPE QoS RRR. SCF.2 - Y.2111/19 RRR.SCF /.3.4 Y.2111(06)_F19 SCF QoS SCF QoS. SCF PE-FE PD-FE TRC-FE SCF.3.4 / Trigger SCF QoS - Y.2111/20 Y.2111(06)_F20 (2006/09) ITU-T Y

89 SCF - PE-FE QoS PE-FE SCF QoS. PD-FE PE-FE.21 SCF PD-FE PE-FE PD-FE TRC-FE SCF 1. Trigger.2 /.3.4 PE-FE - Y.2111/21 Y.2111(06)_F21 TRC-FE QoS TRC-FE SCF QoS. PD-FE TRC-FE.22 SCF RN PD-FE PE-FE PD-FE TRC-FE SCF Trigger TRC-FE - Y.2111/22.3 Y.2111(06)_F22 NAT NAPT NAPT / IP. / IP PE-FE TRC-FE PD-FE (SCPF ) SCF. ) (PD-FE ) RACF NAPT NAPT SCF.( PD-FE (183 Session Progress SIP INVITE ) 83 (2006/09) ITU-T Y.2111

90 NAPT PD-FE." " /.NAPT SCF. NAT PD-FE PD-FE SCF /.( ) NAPT NAPT PE-FE PD-FE NAPT. PE-FE / / SCF PD-FE. PE-FE PD-FE.SCF PD-FE.stateful PD-FE / SCF RACF RACF NAPT. stateful SCF SCF.PD-FE PD-FE SCF /.( ) NAPT NAPT PE-FE PD-FE NAPT. PE-FE / / SCF PE-FE PD-FE.SCF PD-FE stateful PD-FE.SCF PE-FE PD-FE.SCF PE-FE PD-FE / SCF PD-FE NAPT RACF NAPT. stateful SCF stateful (1 (2 (3 (4 ( (1 (2 (3 (4 ( SCF SCF :. NAPT PD-FE / ( ) SCF/RACF : () / ( ) (1 (2006/09) ITU-T Y

91 ( ) SCF/RACF : () / ( ) ( ) : () ( ). ( ) : () ( ). RACF SCF NAT (2 (3 ( ( NAT. / IP PE-FEs TRC-FEs PD-FE SCF. NAT CPE SCF NAT. :23 CPE SCF.(SIP ). NAT SCF (1 (2 CPE RACF SCF 1. Trigger NAT - Y.2111/23 Y.2111(06)_F23 24 RACF SCF (SDP ). CPE SCF.CPE CPE (1 (2 85 (2006/09) ITU-T Y.2111

92 CPE RACF SCF 1. Trigger NAT - Y.2111/24 Y.2111(06)_F24 NAT NAPT NAT PD-FE CPN / NAT PE-FE..(VoIP RTCP RTP ). NAT QoS IP CPN NAT.(PE-FE TRC-FE PD-FE SCF ) RACF QoS. PE-FE QoS. QoS 10 QoS 1.Ri QoS QoS 2.(RSVP ) QoS. RACF RACF QoS.Ri RACF 1 QoS RACF. RACF QoS..25 RACF Ri RACF (1 (2 (2006/09) ITU-T Y

93 2 QoS QoS. RACF.Ri RACF RACF SCF SCF RACF Ri RACF Ri RACF CPE#1 CPE#2 Y.2111(06)_F25 RACF - Y.2111/25.RACF RACF.[Y.2701]. : RACF RACF :..( ). ( ) : :. ( ).RACF... :. : ( ).( ) (1 (2 (3 (1 (2 (3 87 (2006/09) ITU-T Y.2111

94 .. :. RACF.(DoS) : ( ). :. ( ) ( ). (3. QoS [RFC 4304] [RFC 2405] [RFC 2404] [RFC 2403] [RFC 4301] IPsec [RFC 2246] (TLS) [RFC 2412] [RFC 2410] [RFC 4308] [RFC 4307] [RFC 4305]. [Y.2701].. (AAA)..(DoS) : RACF (1 ( RACF.RACF :RACF RACF DoS.. RACF (SCF PD-FE ) ). RACF.(.....( PD-FE ) (1 (2 (3 (4 (2006/09) ITU-T Y

95 . DoS. ( ) IPsec TLS RACF I.RACF.QoS RACF RACF.(1.I ) SCF QoS RACF.(2.I ) SCF RACF QoS. PE-FE.(3.I ) PD-FEs PD-FE. PD-FE SCF (1.I ) 1.Rs.SCF QoS Rs RACF Rs Rd RACF Ru PD-FE Rt TRC-FE PD-FE Rt Rp TRC-FE Rw Rc Rw Rw Rc Rw CPE PE-FE PE-FE PE-FE PE-FE CPN Y.2111(06)_FI Y.2111/1.I (2.I ) PD-FE SCF. PD-FE. PD-FE PD-FE SCF.RACF QoS.Ri 2 89 (2006/09) ITU-T Y.2111

96 . Ri Ru PD-FE Rt TRC-FE RACF Ri Rs PD-FE Rt Rd Rp TRC-FE RACF Rw Rc Rw Rw Rc Rw CPE PE-FE PE-FE PE-FE PE-FE CPN Y.2111(06)_FI Y.2111/2.I (3.I ) ) PD-FE TRC-FE PD-FE.(. PE-FE 3 Rs Rd RACF PD-FE Ru Rt TRC-FE Rt Rp TRC-FE Rw Rc Rw Rw Rc Rw CPE PE-FE PE-FE PE-FE PE-FE CPN Y.2111(06)_FI Y.2111/3.I (2006/09) ITU-T Y

97 II. MPLS TRC-FE IP TRC-FE IP TRC-FE. MPLS IP TRC-FE.IP Diffserv [RFC 2475] IP. TRC-FE. TRC-FE NTRD. (NTRD).QoS TRC-FE TRC-FE..Rp MPLS TRC-FE LSP. MPLS (VMTN) MPLS [RFC 3272] (Diffser-aware) MPLS TE [RFC 2702].CR-LDP RSVP-TE. [RFC 4124] [RFC 3564] [RFC 3346] LSP.SLA VMTN. VMTN..VMTN VMTNs VMTN TRC-FE VMTN (NTRD) TRC-FE. TRC-FE NTRD. VMTN TRC-FE. VMTN.Rp. LSP TRC-FE QoS. TRC-FE.IP. MAC. TRC-FE. TRC-FE NTRD. (NTRD) 1.II 2.II 3.II 91 (2006/09) ITU-T Y.2111

98 . TRC-FE. / TRC-FE TRC-FE MAC. MAC. QoS CBR (UGS) :QoS QoS QoS (nrtps) rt-vbr-like (rtps) QoS.(BE). TRC-FE. TRC-FE.(NTRD). QoS TRC-FE. TRC-FE NTRD. (NTRD) QoS TRC-FE Rp TRC-FE.. / 4.II TRC-FE III TRC-FE. TRC-FE. ( ).PD-FE TRC-FE.PD-FE TRC-FE TRC-FE TRC-FE.. PD-FE TRC-FE.PE-FEs TRC-FE.... TRC-FE PD-FE TRC-FE. TRC-FE PD-FE (2006/09) ITU-T Y

99 TRC-FE PD-FE. TRC-FE.PD-FE.. PD-FE.. TRC-FE. TRC-FE PD-FE TRC-FE.. 93 (2006/09) ITU-T Y.2111

100 [Q.Sup51] [Y.1221] [Y.1541] [Y.2171] ITU-T Q-series Supplement 51 (2004), Signalling requirements for IP-QoS. ITU-T Recommendation Y.1221 (2002), Traffic control and congestion control in IP-based networks. ITU-T Recommendation Y.1541 (2006), Network performance objectives for IP-based services. ITU-T Recommendation Y.2171 (2006), Admission control priority levels in Next Generation Networks. [Y.2701] Draft ITU-T Recommendation Y.2701, Security requirements for NGN release 1 ( [RFC 2205] IETF RFC 2205 (1997), Resource ReSerVation Protocol (RSVP) Version 1 Functional Specification. [RFC 2246] IETF RFC 2246 (1999), The TLS Protocol Version 1.0. [RFC 2403] IETF RFC 2403 (1998), The Use of HMAC-MD5-96 within ESP and AH. [RFC 2404] IETF RFC 2404 (1998), The Use of HMAC-SHA-1-96 within ESP and AH. [RFC 2405] IETF RFC 2405 (1998), The ESP DES-CBC Cipher Algorithm With Explicit IV. [RFC 2410] IETF RFC 2410 (1998), The NULL Encryption Algorithm and Its Use With IPsec. [RFC 2412] IETF RFC 2412 (1998), The OAKLEY Key Determination Protocol. [RFC 2475] IETF RFC 2475 (1998), An Architecture for Differentiated Services. [RFC 2702] IETF RFC 2702 (1999), Requirements for Traffic Engineering Over MPLS. [RFC 3261] IETF RFC 3261 (2002), SIP: Session Initiation Protocol. [RFC 3272] IETF RFC 3272 (2002), Overview and Principles of Internet Traffic Engineering. [RFC 3312] IETF RFC 3312 (2002), Integration of Resource Management and Session Initiation Protocol (SIP). [RFC 3346] IETF RFC 3346 (2002), Applicability Statement for Traffic Engineering with MPLS. [RFC 3520] IETF RFC 3520 (2003), Session Authorization Policy Element. [RFC 3564] IETF RFC 3564 (2003), Requirements for Support of Differentiated Services-aware MPLS Traffic Engineering. [RFC 4124] IETF RFC 4124 (2005), Protocol Extensions for Support of Diffserv-aware MPLS Traffic Engineering. [RFC 4301] IETF RFC 4301 (2005), Security Architecture for the Internet Protocol. [RFC 4304] IETF RFC 4304 (2005), Extended Sequence Number (ESN) Addendum to IPsec Domain of Interpretation (DOI) for Internet Security Association and Key Management Protocol (ISAKMP). [RFC 4305] IETF RFC 4305 (2005), Cryptographic Algorithm Implementation Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH). [RFC 4306] IETF RFC 4306 (2005), Internet Key Exchange (IKEv2) Protocol. (2006/09) ITU-T Y

101 [RFC 4307] [RFC 4308] [RFC 4566] [TS ] IETF RFC 4307 (2005), Cryptographic Algorithms for Use in the Internet Key Exchange Version 2 (IKEv2). IETF RFC 4308 (2005), Cryptographic Suites for IPsec. IETF RFC 4566 (2006), SDP: Session Description Protocol. ETSI TS V6.6.0 (2005), Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); End-to-end Quality of Service (QoS) concept and architecture. [TS ] ETSI TS V7.3.0 (2006), Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); IP Multimedia Subsystem (IMS); Stage (2006/09) ITU-T Y.2111

102

103 (TMN) : A D E F G H I J K L M N O P Q R S T U V X Y Z 2007