1 © 2004 Cisco Systems, Inc. All rights reserved. Session Number Presentation_ID Cisco IP Solution Center 4.0 TRAFFIC ENGINEERING MANAGEMENT Executive Overview Customer Presentation

222 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Agenda Introduction – Intelligent Information Network Traffic Engineering Management ISC 4.0 TEM Feature Overview Bandwidth Protection Primary Tunnel management Summary Value Propositions

333 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID The Intelligent Information Network Individual Products Integrated Systems Integrated Systems Technology Solutions Business Solutions Goals: Accelerate integration of innovation into the network Embed intelligence to create a unified networking system Intelligent Information Network (IIN) Cisco’s 3-5 year vision for the evolution of networking from connectivity to intelligent systems

444 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Intelligent Network Benefits Secure infrastructure Self-defending network mitigates threats, both known and unknown Faster deployment of service and applications Integrated, modular systems and management reduce custom integration Granular policy controls couple network with business processes and services Reduced complexity and lower TCO New capabilities and technologies are simpler to integrate Integrated systems and management reduce OpEx and systems integration

555 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Availability/ Resiliency Enhanced Manageability Delivery Optimization Guarantees bandwidth and fast restoration under failure conditions. Optimizes MPLS core management. Guarantees delivery of Service Level Agreement traffic and bandwidth protection. Optimizes MPLS core management. Guarantees delivery of Service Level Agreement traffic and bandwidth protection. IP Solution Center Traffic Engineering Management a centralized planning and provisioning tool which leverages IOS MPLS Traffic Engineering. IP Traffic Engineering in IIN

666 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Cisco Traffic Engineering Management 666 © 2004, Cisco Systems, Inc. All rights reserved. Presentation_ID

777 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Key Benefits of Traffic Engineering (TE) Delivers the service characteristics of circuit- switched networks -- over packet-based networks i.e. Converged Networking Provides fast bandwidth restoration -- not just connectivity restoration Problems solved Under/Over-utilized backbones (lack of traffic optimization tools), Where and when to upgrade core networks Unnecessary network upgrade costs. Inability to deliver SLA guarantees for the services

888 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Network Convergence Different types of traffic have been carried over different types of networks with different performance characteristics Delay/jitter sensitive traffic (voice, video, etc) over TDM/ATM Internet and VPN Data over Packet Switched Networks (IP) The goal for network operators is to have a single network delivering both types of traffic Offering traditional ATM/FR/TDM services over IP at lower cost Opening new services to IP Service Providers, including voice, video distribution (studio-to-studio) and video- conferencing

999 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID MPLS Traffic Engineering is the Key Technology… … for delivering ATM, Frame Relay and similar services over converged IP networks … for fast restoration and bandwidth protection … for Voice over IP It enables: Predictable network performance Matching of traffic flows to QoS resources Fast restoration in the event of element failure Delivery of hard bandwidth guarantees

10 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID …but MPLS-TE needs management tools MPLS-TE offers a way of routing traffic according to a set of requirements or constraints ISC:TEM calculates tunnels within constraints including bandwidth, DS-TE pool, affinity, delay and protection level Once a path is found to meet these constraints it is signalled using RSVP-TE ISC:TEM automatically audits and configures the tunnels on the network (as control plane reservations) MPLS-TE tunnels can be used to carry primary traffic demands, or for back-up (bandwidth protection) Tunnels can be managed, optimized and deployed using ISC:TEM

11 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Cisco IP Solution Center

12 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID IP Solution Center: Traffic Engineering Management (ISC:TEM) ISC:TEM offers an easy-to-use management interface TE topology display Fast Re-Route and Primary Tunnel management Carrier-class tunnel provisioning Leverages Cisco IOS features DS-TE (Bandwidth Pools), Fast Re-Route (Bypass Tunnels with Load balancing) World-class optimization algorithms (Cisco bought the company that developed them) ISC:TEM is the only integrated MPLS-TE management solution available today Provides planning and visualization support AND automatic TE tunnel provisioning

13 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID ISC 4.0 TEM Feature Overview 13 © 2004, Cisco Systems, Inc. All rights reserved. Presentation_ID

14 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID ISC 4.0 TEM - Key Operational Features Discovery and Audit TE enabled devices and tunnels Visualization and tunnel audit Bandwidth Protection during element failure FRR tunnel audit and calculation Primary tunnel placement & repair Global optimization of network utilization Deployment and tunnel activation

15 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Cisco MPLS Bandwidth Protection 15 © 2004, Cisco Systems, Inc. All rights reserved. Presentation_ID

16 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID What is Bandwidth Protection? AToM requires service guarantees Failures in single network elements should not cause high value services to fall below specified requirements Bandwidth Delay A new solution to an old problem Using MPLS features and ISC:TEM we have a new cost-effective method to provide a solution Alternative to SONET/SDH APS Guaranteed bandwidth

17 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Guaranteed Bandwidth Contracted bandwidth must be available even during network failure Delay, jitter and restoration time may need to be guaranteed MPLS Fast Reroute (FRR) has been coupled with over- provisioned networks to attempt to replicate these guarantees This delivers connectivity, but is bandwidth inefficient, and does not offer “hard” bandwidth guarantees Cisco MPLS Bandwidth Protection using ISC:TEM offers SONET-like protection through optimum computation and provisioning of FRR Results show that the utilization can be significantly improved while still guaranteeing bandwidth in failure conditions In normal conditions bandwidth is available for “best efforts” traffic

18 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Independent Failure Assumption Bandwidth is guaranteed against any single element failure Link, node or SRLG Assumes that the failure is temporary Primary paths will be restored within seconds/minutes For long-term outages network will be re-optimised Independent Failure Assumption allows for efficient use of backup bandwidth Bandwidth required for one failure can be reused for another failure Requires that bandwidth is accounted for off-line Backup tunnels are signalled with zero bandwidth, so bandwidth can be reused.

19 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID RoI Case Study: Node Protection ISC-TEM protects more nodes in every network studied, (and is also more efficient in link protection – not shown) Nodes Protected – ISC-TEM vs. CSPF 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Five SP Networks: Number of Nodes % Nodes Protected ISC-TEM CSPF-Based

20 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Primary Tunnel Management 20 © 2004, Cisco Systems, Inc. All rights reserved. Presentation_ID

21 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID ISC:TEM Primary Tunnel Management Key features: Tunnel placement with user-specified constraints Constraints supported in IOS (bandwith pool, affinity) Delay Protection level (none, best-effort, Links/SRLGs, or Nodes/Links/SRLGs) Add/modify tunnel requirements, create new tunnels with minimum disruption of existing tunnels Network grooming – re-optimize the tunnel layout globally Key benefits: Accommodate more traffic onto a given network Delay network upgrades Traffic management and control

22 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Network Grooming Global re-optimization of primary tunnel placements to improve network utilization Minimize worst case link utilization Minimize TE metric cost All constraints must be satisfied Constraints supported in IOS (BW pool, affinity) Delay Protection level (none, best-effort, Links&SRLGs, or Nodes&Links&SRLGs)

23 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Network Grooming: RoI Case Study ISC-TEM was used to optimize the placement of real traffic demands on the actual networks of several major carriers. Case Study details (see next slide): International tier 1 network (175 nodes, 380 links) Increase demand by 10% increments to 200% Link upgrade policy: double b/w when 70% utilized Fewer link upgrades are needed when placing increasing traffic demands, compared with IGP routing or with conventional traffic engineering Delay or reduce bandwidth upgrade costs by 60% - 90%

24 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Results: Link Upgrades for Demand Growth #Link Upgrades Required Link Upgrade Requirements (# of links) %20%40%60%80%100%120%140%160%180%200% Demand Matrix Growth ISC:TEMCSPF Offline Customer Metrics CSPF Offline Default Metrics Bandwidth Upgrade Requirements (Gb/s) %20%40%60%80%100%120%140%160%180%200% Demand Matrix Growth B/W Upgrades (Gbps) ISC:TEMCSPF Offline Customer Metrics CSPF Offline Default Metrics 100% Demand Growth 200% Demand Growth Required Network Upgrades for each algorithm: # of Links B/W Gbps # of Links B/W Gbps ISC:TEM CSPF Offline, Customer Metrics CSPF Offline, Default Metrics

25 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID Summary: Value Propositions 25 © 2004, Cisco Systems, Inc. All rights reserved. Presentation_ID

26 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID TE enables Service Providers to: Speed up time to market for new services on converged networks Reduce investment in over-provisioning Increase throughput and utilization of existing network Guarantee bandwidth and fast restoration under failure conditions Postpone Capex Why bother with Traffic Engineering?

27 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID ISC:TEM Summary ISC:TEM leverages MPLS TE to enable network convergence Predictability in normal and failure conditions Traffic flows matched to QoS resources Guaranteed bandwidth with fast restoration ISC:TEM offers advanced MPLS-TE management functionality, including network optimization and bandwidth protection Advanced algorithms used in ISC:TEM outperform the alternative options and enable: Efficient and QoS-aware utilization of network infrastructure to support premium SLAs Deferment of expensive link upgrades as traffic grows Bandwidth guarantees during failure without the expense of SONET protection

28 © 2004 Cisco Systems, Inc. All rights reserved. Presentation_ID 28 © 2004, Cisco Systems, Inc. All rights reserved. Presentation_ID