CNGI

Size: px

Start display at page:

Download "CNGI"

碗锤谢
4 years ago
Views:

1 CNGI

2 IP

3 IP IP ATM ATM B A E C D IP OSPF TE Traffic Engineering OAM Operation Administration Management IP QoS

4 1) MPLS OSPF TE & OAM DS-TE LSP

5 IP QoS

6 TE/OAM TE/OAM CISCO CISCO JUNIPER JUNIPER, IETF IETF BFD BFD TE/OAM TE/OAM CISCO July 2005

8 ASON IP

9 NE NE NE 1 NE NE NE NE 2NE NE 3 NE NE

11 VNE VNE VNE VNE VNE VNE VNE VNE VNE VNE EA EA EA SNMA EMA NE NE NE NE NE NE NE NE NE NE NE SNMA EMA VNE EA

12 NE NE NE NE NE NE

13 ( )

14 IT ISDN B- ISDN Internet NGN ATM

15 QoS 330 CDMA1X

16 Yankee Group IP/MPLS

17 BT21 IP/MPLS PSTN Copper PSTN DPCN Fibre KStream DSL ASDH CWSS DWSS Inter-node transmission provided by SDH/PDH Mesh platforms -SDH ATM IP MSH -SDH PDH ROW & Other Networks End User ~5k nodes ~2k nodes ~1k nodes ~400 nodes ~100 nodes ~15 nodes BT

18 PSTN Copper PSTN Call Server Fibre & Copper DSL ASDH derivative agg. box relieves PDH Agg Box Inter-node transmission provided by SDH platform MSH -SDH IP ROW & Other Networks End User ~5k nodes ~1k ~400 nodes nodes ~100 nodes

19 Copper Fibre & Copper DSL Agg Box GFP on SDH PSTN services migrate to IP Class 5 Call Server IP-MPLS-WDM Content ISP WWW ROW & Other Networks End User ~5k nodes ~100 nodes

21 IMS Traditional Switch Model Consolidated SoftSwitch Model 3GPP/3GPP2 IMS Model Wireless Subscriber IN Services IN, AIN, & Camel Wireless Subscriber App Servers JTAPI, Parlay, & Proprietary Subscriber App Servers App Servers App Servers Wireline Subscriber Features Wireline Subscriber Embedded Services XML SIP Session Control CSCF Call Control Signalling Call Control Signalling Gateway SIP SIP MGCF Signalling Gateway Bearer Path Control Media GW Controller Media GW Controller Switch Fabric SIP, H.323, & MGCP IP Media Gateway H.248/MEGACO IP Media Gateway H.248 Analog Circuit Wireless IP Endpoints Analog Circuit Wireless SIP Endpoints Analog Circuit Wireless Limited 3 rd rd party app support Custom hardware/software No IP Support Bearer follows signaling + Call control separate from bearer + IP and multi-media media enabled + Commodity hardware and standardized interfaces + Better 3 rd rd party application support Limited 3 rd rd party API standardization 3 rd rd party application interactions limited by embedded services/call model Internal element integration limits deployment options + Further decomposition / deployable elemen + Flexible data driven session control + Standardized SIP interfaces + Standardized, flexible, application support + Common subscriber data

22 Each application has its own client, user database and media servers Applications are isolated to the access network they are deployed in The same data has to be entered multiple times by each user Each application has to create and store its own charging records Opex and Capex costs are additive with each new application evice Client Access Transport & Session Control Application User Push-to-Talk RAN HLR Session 1 PTT Server Media Server App Specific User Profile Buddy Lists Presence Charging AnyPath Messaging WiFi Enterprise DB Session 2 AnyPath Messaging Server Media Server App Specific User Profile Group Lists Presence Charging AAA Session 3 My Movies LAN Content Server Media Server App Specific User Profile Buddy Lists Location Charging

23 evice Client Separation of signaling from bearer traffic Access-independent support for multi-media communication Componentized architecture enables extreme flexibility Easy to introduce new services Access Transport User Profile Applications AnyPath Push-to-Talk My Messaging Movies HSS data AAA Presence Presence Server Location Server RAN Charging Location Common Session Control PTT Server App Specific AnyPath Push-to-Talk My Messaging Movies WiFi Common IP Core CSCF MRFC CGF AnyPath Messaging Server App Specific AnyPath Push-to-Talk My Messaging Movies LAN CSCF MRFC CGF HSS Call Session Control Function Media Resource Function Control Charging Gateway Function Home Subscriber System Common Media Server Common Billing System Parlay/OSA Mediation Intelligent Services Content Server Parlay App Server App Specific Outside Operator s Netwo App Specific

24 1. CCM + SACP

25 Applications Layer Nomadic Home Network Branch Office LAN Corporate / Campus LAN Centre Home Network LAN CG CG CG CG NTE NTE NTE NTE Customer Environment Intelligence (session control, resource management etc.) xdsl Capability Exposure Layer Fibre Fibre - copper High bandwidth direct links to Metro SDH, GFP, GE Resilient backhaul Profile Authentication Directory Location Call-server Presence Resource Management Policy Control High touch processing Multi-service MPLS L1 Transport i-node Internet Peering Storage & Processing Voice Packet switch SDH switch Optical switch OSS / BSS (end to end service management etc.) MSAN Metro Node Core Node Roaming & Remote Access Internet OLO s, MNO s, ISP s, ASP,s Packet switched core network (MPLS/DWDM) Apps hosting and centres

26 2 Working inward from the edge Working outward from the core MEF Ethernet Characteristics Making it work together MEF Architecture Framework /Reference Points Model Subscri ber UNI Metro Ethernet Network (MEN) NNI Public Service /Transport Networks What if I told you Scalability, Demarcation, Resiliency, TE-like tunneling and OAM were achievable without: Adding MPLS control plane Keep low cost point near native Ethernet

27 : UNI NNI MEF 802.1ah/M-in-M 802.1ag/ITU Y.1731 OAM PBT 50ms OAM NGN IPTV QoS Triple Play

28 Traffic Engineered PBT trunks 1 3 Metro Ethernet Transport BT provides : Connection Oriented features RSVP-TE like traffic engineering FRR 50ms Resiliency using 802.1AG QoS Comprehensive standard-based OAM Solutions to QinQ Shortcomings MAC Explosions, Service Scalability etc Seamless interworking to an MPLS WAN 5 at Ethernet costs! Reuse existing (deployed) ethernet technology Eliminate flooding and spanning tree Deploy Ethernet switches for substantial CAPEX savings (compared to MPLS Routers) No learning curve for your Metro operators (OPEX) Elimination of complex IGP and signaling protocols (OPEX)

29 OAM Solution leveraging IEEE 802.1ag & 802.3ah OAM with Y.1731ethoam to offer a rich, comprehensive toolkit Fault Detection, Isolation, Verification and Notification Latency and packet loss performance measurements Enabling new SLA measurements (AOS, UOS) Bringing TDM / Optical / ATM Operational Values to Ethernet

30 E-Line E-LAN

31 3. UMA(Unlicensed Mobile Access ) WLAN CDMA GSM SBC AT&T Cingular SBC 2005 AT&T Verizon MCI Verizon MCI

80 5 10 3 WiFi (GSM) NTE BluePhone ADSL NTE PSTN Link

32 WiFi (GSM) NTE BluePhone ADSL NTE PSTN Link Broadband Link PSTN VoIP Gateway FMCA) DoCoMo Cegetel

Master Thesis_專門用來製作目錄.doc

Master Thesis_專門用來製作目錄.doc Introduction All-IP [1-4] All-IP packet switching long delay time, jitter packet loss All-IP Budget-Based QoS End-to-End QoS (real time on demand) 1 1.1 Circuit Switching Packet Switching DWDM IP VoIP