橡ATM_GE.PDF
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2 ATM ATM Forum UNI 3.0 MPOA v1.0 LANE v2.0 UNI 2.0 IISP PVC SVC ATM Forum Cisco Systems Sprint Net/Adaptive Northern Telecom PNNI Traffic Management Available Bit Rate (ABR) Signaling 4.0 Anchorage Accord
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6 ATM NIC LANE Config Server(LECS Logical LECS) IP Subnet 1 LANE Server(LES) Broadcast & Unknown Server (BUS) ATM ATM LAN NIC
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10 LUNI v2.0
11 LNNI
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15 - Protocol Independent Multicast (PIM)
16 Logical IP Subnet 1
17 MPC! MPC! MPC! MPS!
18 L3 L3
19 L3 L3
20 Building 1 Building 2 Building 3 OSPF, EIGRP, etc Emulated LAN A Emulated LAN B
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23 OSPF PNNI SS7 IP ATM Circuit SONET WDM
24 3 IP ATM SONET WDM IP SONET WDM IP WDM
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26 POP POP Backbone Edge POP POP Edge Backbone Backbone 3 Class/Quality of Service
27 Backbone Network Edge Packet Classifier
28 CAR CAR Ingress Egress like Frame Relay Actions: Actions: (RED-like)
29 IP QoS CAR Drop Recolor Drop Recolor
30 IP QoS BGP BGP BGP Traffic Source Pkt Flow Data IP Header Service Provider AS ibgp Peers Premium Customer IP Precedence ToS Type of Service Field
31 IP QoS Weighted Fair Queuing Medium Premium Economy Standard 15
32 , Throughput Controlled Congestion Uncontrolled Congestion Congestion
33 Random Early Detection (RED) Backbone RED RED: TCP TCP
34 RED RED FIFO, Tail Drop
35 Weighted RED (WRED) Backbone IP RED WRED
36 WRED 2 ; 6 &
37 1) RSVP RSVP RSVP Class of Service 2) RSVP CoS EdgeRSVPCoS RSVP Egress
38 RSVP RSVP RSVP WFQ
39 RSVP CoS RSVP RSVP Precedence Classifier Premium Standard Ingress RSVP Egress WRED Backbone WRED Egress RSVP WFQ Egress
40 RSVP CoS with NetFlow and CAR Premium Standard WRED Edge Backbone WRED CAR WFQ NetFlow or ATM CLP NetFlow Tag RSVP
41 IPATM ATM IP Telco Tag ISP L2/L3
42 PVCATM QoS Full PVC Mesh ABR PVC
43 Layer 3 Traffic Engineering IP Tag CoS QoS VC
44
45
46 Ships In the Night Tag Switching Stack IP Routing TDP Signalling ATM Forum Stack PNNI Routing UNI/NNI Signalling L2 VCs (eg TVCs)
47 Tag Switching & ATM Co-existing on same Platform ATM for real-time P-NNI / UNI Voice Circuit Emulation (CES) Tag Switching for data traffic Call_setup ATM IP FR IP IP ATM FR
48 TDP +precedences, or RSVP+tags Routing Table Tag Information Base (TIB) Per-Tag QoS Mechanisms Tag Edge Router Tag Switch Tag Edge Router
49 Tag QoS IP Precedence In Tag X X... Address Prefix Prec Out I face Out Tag In I face In Tag Prec Address Prefix Out I face Out Tag Edge TSR asks for different tags for different precedences 2
50 Tag QoS IP Precedence WRED Packet Classifi erpremium Standard IP /CoS Tag Switching POP WEPD» Tag VCs ( 4 )»ATM Tag SwitchTER Tag Information Bases (TIBs) WRR / WFQ WRR Scheduler
51 ATM Switch Weighted EPD Early Packet Discard Queue EO M EO M EPD Threshold (t) Weighted Early Packet Discard t t t WRR Queue Scheduler
52 IP - ATM Guaranteed Service RSVP Signaling Flow Classifier POP IP Guaranteed Service Tag Switching»RSVP guaranteed service Tag VC Tag Switch RSVP service ATM switch WFQ (per flow queuing) WFQ Scheduler
53 Gigabit Ethernet
54 Gigabit Ethernet Q2 98 Nov. 95 IEEE Commissions High-Speed Study Group July 97 Start Working Group Ballot July 96 IEEE 802.3z Gigabit Ethernet Task Force Created End 96 Basic Concept Agreement
55 : Gigabit Ethernet, MAC GE IOL Interop --- GE IOL Plug Fest ,, etc. 1998
56 ATM 6X 4X 4X 25 Mbps 155 Mbps 622 Mbps 2.4 Gbps OC-3 OC-12 OC Mbps 5 Gbps(OC-96) 10 Gbps(OC-192) 20Gbps 100Gbps ATM
57 ATM 10 Mbps 155 or 622 Mbps 10/100 Mbps 10/100 Mbps 155 or 622 Mbps WAN ATM -
58 ATM ATM 155/622 Mbps ATM 155/622 Mbps ATM 10/100, GE 10/100, GE
59 Gigabit Ethernet Media Access Control (MAC) Full Duplex and/or Half Duplex 802.3z Gigabit Media Independent Interface (GMII) (Optional) 1000BASE-X PCS 8B/10B-AutoNegotiation 802.3ab 1000BASE-T PCS 1000BASE-LX Fiber Optic Xcvr 1000BASE-SX Fiber Optic Xcvr 1000BASE-CX Copper Xcvr 1000BASE-T Xcvr Single-Mode or Multimode Fiber Multimode Fiber Shielded Copper Cable Unshielded Twisted Pair
60 802.3z 802.3ab 1000BASE-LX{ 10u Single-Mode 50u Multimode 62.5u Multimode 1000BASE-SX{ 1000BASE-T 1000BASE-CX { { 50u Multimode 62.5u Multimode 4 pr Cat 5 UTP C Machine Room Balanced Shielded Cable 25m 100m 260m 440m 550m 3 km Horizontal Building Backbones Campus Backbone Wiring //
61 Gigabit Ethernet IEEE P802.3z Draft 4.1 IEEE P802.3ab Draft 1.2 IEEE interim Meeting 2/2-2/3/98 DMD ( 62.5um?, coupled power, robust LX jumper for 62.5um->50um, xmit/rcv/fiber conformance testing, jitter budget, SX DMD) Draft BASE-LX/SMF 5Km IEEE
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QoS Diffserv 1999 12 14 Internet Week 99 Internet Week 99 1999 kenjiro Cho, Japan Network Information Center 1 DiffServ DiffServ DiffServ DiffServ 2 DiffServ congestion 90 IP IP 3 QoS 3.1 QoS QoSQuality
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2: ()? 2 UTP ()!! SW-HUB 3 Point-to-Point Broadcast Multiple Access Non-Broadcast Multiple Access Point-to-Point 2 MAC Examples Node A Node B 1 Broadcast Multiple Access () MAC Node A Node B Node C Ethernet
(1) CCITT X.25 (HDLC/LAPB) SDLC (Synchronous Data Link Control protocol) HDLC High-speed Data Link Control protocol ITU-T/ISO ADCCP Advanced Data Comm
I / 6 1 1. HDLC I / 6 2 (1) CCITT X.25 (HDLC/LAPB) SDLC (Synchronous Data Link Control protocol) HDLC High-speed Data Link Control protocol ITU-T/ISO ADCCP Advanced Data Communication Control Protocol
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VII W I D E P R O J E C T MPLS-IX MPLS-IX MPLS 1 MPLS AYAME IX IX LDP/RSVP-TE/CR- [121] 1999 Sub- LDP IP MPLS IX LSP LSP MPLS ebgp[165] LSP ( 2002 1.1 1.2) MPLS-IX MPLS IPv6 6PE IX () MPLS-IX MPLS IX
QoS Intserv diffserv 1998 12 16 Internet Week 98 Internet Week98 1998 Kenjiro Cho, Japan Network Information Center 1 3 QoS Intserv RSVP QoS Diff-serv 2 QoS ISP 3 2.1 FAX LAN WAN LAN WAN Heavy Tail WWW
IP: TCP: QoS 90 QoS IP IP IP
InternetWeek99 QoS DiffServ kjc@csl.sony.co.jp DiffServ DiffServ DiffServ DiffServ IP: TCP: QoS 90 QoS IP IP IP QoS QoS (admission control) (classifier) (shaping)(policing) (packet scheduler) (signaling)
Ethernet Internet 20
Janog11 2003 1 23 Miya Kohno (mkohno@cisco.com) 2002, Cisco Systems, Inc. All rights reserved. 1 Ethernet 30 http://www.digitalcentury.com/encyclo/update/metcalfe.html http://www.ethermanage.com/ethernet/
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»» DiffServ»» 1. b»» L» b: L: »»...»» Responce Time 15ms propagation delay, 128 bytes 64Kbps 45 30 1.544Mbps 15 1.2Gbps 0 0.2 0.4 0.6 0.8 1 System Load » 1Mbps / 10Mbps / 100Mbps / 1Gbps» 100m / 2Km /
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... 3... 3... 4... 5... 6... 6... 6... 7... 7... 8... 8... 8... 9... 12... 12... 13... 14... 15... 16... 16 DSCP... 16... 17... 18 DiffServ..... 18... 26... 26 ADD QOS FLOWGROUP... 27 ADD QOS POLICY...
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