NORTEL NETWORKS CONFIDENTIAL Passport 8600 Product Update November 2002

Passport 8600 Update - 2 NORTEL NETWORKS CONFIDENTIAL Recap Modular Platform –Passport 8000 family –Layer 2 Switching –Layer 3 IP, IPMC and IPX Routing –Layer 4-7 Application Switching Ethernet –10/100TX, 100FX –Gigabit SX, LX, ZX, XD & CWDM –10 Gigabit LR & LW ATM and SONET –DS3, OC-3 and OC-12 –Gateway functions –Switching/Routing done in Ethernet

Passport 8600 Update - 3 NORTEL NETWORKS CONFIDENTIAL Key Requirements High Availability –99999s Reliability means uptime all the time. Bandwidth, Security and Quality of Service ensuring application delivery with fail-over schemes that preserve application integrity. Operational Simplicity –Simple to install, Simple to maintain, Simple to manage. Reduced complexity through a leaner more integrated intelligent infrastructure design. Low Cost of Ownership –Reduced purchase, installation and maintenance costs through reduced complexity, the ability to consolidate resources and a lower box count.

Passport 8600 Update - 4 NORTEL NETWORKS CONFIDENTIAL It fits in the wiring closet delivering high density (384) 10/100 Ethernet ports for user connections It fits in the data center delivering high density L4-7 application switching for server selection & load balancing It fits in the network center delivering high density (128) Gigabit Ethernet ports for aggregation, riser and MAN connections It fits in MAN/WAN delivering Gigabit Ethernet, 10 Gig E, CWDM, ATM and SONET connections Flexible Platform

Passport 8600 Update - 5 NORTEL NETWORKS CONFIDENTIAL Hardware Developments –8632TXE – 32x10/100+2xGBIC –8616GTE – 16x1000Base-T Software Developments –Multimedia Filters – Single Click QoS deployment ! –OPS 3.0 Support – Network based QoS deployment –Layer 2 Fast Fail-Over (HA mode) –Multicast Developments PIM-SM IGMP v.2 extensions IGMP v.3 plus extensions DVMRP Enhancements Fast Join/Leave +LMQI timer Wiring Closet Developments

Passport 8600 Update - 6 NORTEL NETWORKS CONFIDENTIAL Network Center Developments Hardware Developments –10 Gig LAN Module – Single port 1319nm Serial –M Modules – Increased memory version of existing modules Increased MAC Tables Increased Route Tables – BGP Scaling Software Developments –Split-MLT - Spanning tree replacement –Hitless CPU Fail-Over (HA mode) –Jumbo Frames –ECMP (Equal Cost Multi-Path) –VRRP Enhancements Fast Hello Timers Backup Master Capability –Multicast Enhancements Scaling 2000 S,Gs DVMRP Policies – Security & Control Static RPs - Interoperability

Passport 8600 Update - 7 NORTEL NETWORKS CONFIDENTIAL Data Center Developments Hardware Developments –Alteon Web Switching Module – L4-7 Capabilities Load balancing, Content Switching, NAT 296k sessions per second –8616GTE – Gigabit Server Connectivity Software Developments –Global, Local, Streaming Media and WAP Server Load Balancing –Anti-DoS with delayed binding, Syn Alarms, –WebOS 10.0

Passport 8600 Update - 8 NORTEL NETWORKS CONFIDENTIAL MAN/CO Developments Hardware Developments –8010CO Chassis – NEBS compliant 10 slot chassis –10 Gig WAN Module – Single port OC192 Framing –DS3 MDA – Twin port MDA for ATM modules –CWDM Optical Networking –M Modules – Increased memory version of existing modules Increased MAC Tables Increased Route Tables – BGP Scaling Software Developments –BGP-4 Superior Routing Table Scaling –Hitless CPU Fail-Over (HA mode)

Passport 8600 Update - 9 NORTEL NETWORKS CONFIDENTIAL Management Developments Optivity Switch Manager –Topology display of network –Discovers network with a given seed IP address –Zoom-In/Zoom-Out for more/less detail –Launch point for sub-manager applications Device Manager VLAN Manager Multicast Manager Multi-link trunk Manager Optivity Policy Services –Single Click QoS provisioning

Passport 8600 Update - 10 NORTEL NETWORKS CONFIDENTIAL Security Updates SNMP v.3 –HMAC-MD5-96 or HMAC-SHA-96 Secure Shell (SSH) –Server Mode –DES/3DES –Secure file transfers Encrypted Password Files –Logging & Traps Radius Enhancements –Accounting –Authentication – Access Challenge

NORTEL NETWORKS CONFIDENTIAL Campus LAN Solution

Passport 8600 Update - 12 NORTEL NETWORKS CONFIDENTIAL Traditional Design Access Layer PCs, Printers, etc. High Density 10/100 L2 Ethernet switching Aggregation Layer Consolidation point Mixture 10/100 & Gigabit L2/L3 Ethernet switching Core Nucleus, Servers, Metro High Density Gigabit L3 Routing Floor 1…………..Floor x Building Campus Design Issues At layer 2 these extra links need to be blocked to prevent network loops. This is usually implemented using a protocol called spanning tree (802.1d) Spanning tree protocol prevents these loops by deciding the best links to use and blocking all the rest. Basically youre paying for stuff you cant use !

Passport 8600 Update - 13 NORTEL NETWORKS CONFIDENTIAL Two-Tier Infrastructure design Edge High density 10/100 Ethernet ports for user connections and Gigabit Ethernet for riser connections. Access security controls and QoS mapping. Core High Density Gigabit Ethernet for riser connections. ATM, SONET and Optical connections for MAN/WAN access and L4-7 Applications switching for Data Center integration.

Passport 8600 Update - 14 NORTEL NETWORKS CONFIDENTIAL S-MLT Link Aggregation Split Multi-Link Trunking –A Fresh approach to the spanning tree problem Description –Edge switches normally dual-homed for resilience. –Current network rules mean that one connection must be blocked. –Split MLT makes two core switches act as one. –Now both Links are active and appear as one. Advantages –Fail-over reduced to

Passport 8600 Update - 15 NORTEL NETWORKS CONFIDENTIAL Stegosaurus Design

NORTEL NETWORKS CONFIDENTIAL Optical Metro Solution

Passport 8600 Update - 17 NORTEL NETWORKS CONFIDENTIAL Metro Bandwidth Challenge New multimedia applications require more bandwidth –Multi channel Gigabit metro solution is the answer, but… –Normally this would require Multiple expensive leased fiber runs for resilience or Expensive and complex DWDM equipment to reduce fibers Challenge is to provide High bandwidth services, while…. Keeping leased fiber costs to a minimum Without wasting fibers (dead sparing) Maintaining reliability (Application state)

Passport 8600 Update - 18 NORTEL NETWORKS CONFIDENTIAL 3 Part Metro Optical Solution 1. Colored GBICs in Switches –Standard interface –8 flavors Long reach (90km) 1. Optical MUX –Fiber Saver –Distributed 10 Gig Solution 1. Optical Add/Drop MUX –Splits Wavelength in two –Doubles the bandwidth 8 Gigs in One fiber Out Breakout one, pass the rest 16 Gigs On a Single Fiber

Passport 8600 Update - 19 NORTEL NETWORKS CONFIDENTIAL CWDM Metro Design OADM OMUX 8600 Switch RED channel used for additional IST link to increase bandwidth and redundancy in a distributed POP environment. Gigabit channel bonded together with MLT for high bandwidth and faster fail-over 1 Gigabit East and 1 Gigabit West deliver resiliency Simple plug and play operation reduces deployment costs

Passport 8600 Update - 20 NORTEL NETWORKS CONFIDENTIAL

Backup Information

Passport 8600 Update - 22 NORTEL NETWORKS CONFIDENTIAL Passport 8600 Campus 10 Slot chassis with 10/100 blades, configured as an L2 edge device with QoS enforced through Diffserv marking and hardware queuing 3 Slot chassis with SX Gig blades, configured as an L2 aggregator device with QoS enforced through Diffserv interrogation and hardware queuing 6 Slot chassis with mixture of SX Gig and 10/100 Gig blades, configured as an L2 edge device in the server farm. Intelligent content switching through WSM blade. 10 Slot chassis with mixture of SX and LX Gig blades, configured as an L3 core routing device with IP routing and QoS enforced through Diffserv interrogation and hardware queuing 10 Slot CO chassis with mixture of SX, LX and XD Gig, configured as on ramp to Service provider OE network.

Passport 8600 Update - 23 NORTEL NETWORKS CONFIDENTIAL Web Switching Module Session Processing: –Connection setup –Processing traffic filters –Session parsing –Server selection –Splicing connections –Translating session addresses –Metering and controlling bandwidth usage –Collecting statistics Background Functions: –Updating network topology –Health-checking servers, applications and server sites –Measuring server performance –Providing fault tolerance

Passport 8600 Update - 24 NORTEL NETWORKS CONFIDENTIAL Passport 8000 Chassis Options Power NEBS CPU/Switch Fabric Sparing Option 3 Slot 6 Slot 10 Slot 10 Slot CO Cooling

Passport 8600 Update - 25 NORTEL NETWORKS CONFIDENTIAL Ethernet Modules Hot swappable Wire speed routing Gigabit connectivity with copper and fiber ModulePortsTypeDensity 8648TXE4810/100 BaseTX (RJ45) FXE24100 BaseFX (MT-RJ) SXE81000 BaseSX (SC) GBE81000 Base GBIC (GBIC) GTE81000 BaseTX (RJ-45) SXE BaseSX (MTRJ) TXE32+210/100 BaseTX (RJ-45)+GBIC256+16

Passport 8600 Update - 26 NORTEL NETWORKS CONFIDENTIAL ATM and SONET Modules Hot Swappable RFC 1483 routed and bridged PVCs 512 PVCs per Module ModulePortsTypeDensity 8672 ATME2 MDAs 4 port OC-3 1 port OC OC-3s 4 OC-12s 8683 PoSE3 MDAs 2 port OC-3 1 port OC OC-3s 12 OC-12s

Passport 8600 Update - 27 NORTEL NETWORKS CONFIDENTIAL Express Classification (XC) FCSIP-SATCP-PortDA SA DATA IP-DA XC XC CPU policy filters policy filters Custom ASIC Filtering Wire speed L2-4 Classification Application Intelligence –Source – IP, Subnet or MAC –Destination – IP, Subnet or MAC –Application - TCP/UDP socket Traffic Prioritization –802.1p/802.1Q for Layer 2 –DiffServ (RFC2474) for IP –Port, MAC address, VLAN for non-IP traffic Hardware queuing –8 queues per port: strict and/or weighted

Passport 8600 Update - 28 NORTEL NETWORKS CONFIDENTIAL Forwarding 1. Packet arrives Switch Fabric XC Memory To I/O card To CPU I/O Interface PowerPC CPU To I/O card I/O Module Switch Fabric/ CPU Module Queue Manager 2. Queue Manager sends packet header to XC 3. XC implements packet policy, sends packet to Queue Manager 4. Queue Manager sends packet to Switch Fabric 5. Switch fabric schedules packet forwarding into one of eight queues based on priority 6. Packet is sent to outbound I/O card and buffered if necessary Packet is transmitted on outbound interface This Entire Process Always Takes Less than 10uS

Passport 8600 Update - 29 NORTEL NETWORKS CONFIDENTIAL Learning 1. Policy downloaded by CPU to all XCs at startup Switch Fabric XC Memory To I/O card To CPU I/O Interface PowerPC CPU To I/O card I/O Module Switch Fabric/ CPU Module 1 3 All updates performed out of band Queue Manager 2. Route/SPT updates and unknown addresses passed to CPU 3. CPU copies new information to all XCs simultaneously 2