Layer 2 Communications: Next Generation WANThink Bigger. Think BetterApril 19, 2009

Why Ethernet Services? Deployment, Application and Strategic Impacts How to Migrate to Ethernet Services Summary & Conclusions

Why Ethernet Services?Most Cost-effective Support of Todays Applications Business Demands Exceeding Capabilities of Legacy Infrastructures Triple Play Convergence (VoIP, Video and Data) Virtualization and Consolidation Collaboration Requires Any-to-any Connectivity Storage Area Networks and Backup and Recovery Carriers Planning End of Life of Frame/ATM Networks Desire to Leverage IP Efficiencies, Reduce Costs Ethernet Compares Favorably to Layer 3 Alternatives Ethernet offers all of the capabilities and performance benefits of Layer 3, but at a lower Total Cost of Ownership (TCO)

Why Ethernet Services?Ethernet is a Better Alternative than IP VPNs IP VPNs Low Cost, Ubiquitous Coverage, Best Effort, Point-to-point and hub and spoke Layer 3 MPLS VPNs Fully Meshed Connectivity with CoS/QoS; Costly transition, Complex Operation Layer 2 Ethernet VPN Simple Fully Meshed Connectivity with CoS/QoS and VPLS; High Performance, Low TCO

Point-to-PointHub and SpokeFully Meshed

Deployment ImpactsEthernet Services Are Easier to Manage with Lower TCO

Application ImpactsLow Latency, Low Jitter Ethernet Ideal for Convergence

Strategic Impacts Empowers Customers, Improves Competitive Advantage

Putting it Into Practice: How to Migrate to Ethernet Step 1: Evaluate Ethernet and decide to migrate away from legacy WAN Step 2: Get rid of old-school WAN equipment Layer 2 Communications will add a fully managed Ethernet switch (CPE)

Putting it Into Practice: How to Migrate to Ethernet Step 3: Dont worry about the installation with a Managed VPLS network Step 4: Plug your LAN switch or router directly WAN

Summary & Conclusions Consider Ethernet VPLS services if:Want to maintain control of their own IP routingWant to simplify WAN managementWant to reduce CapEx and OpExNeed to scale bandwidth and support any-to-any connectivity

Tips:Demand strong service level agreementsLook for global coverage Require:VPLSClass of Service (CoS)Bandwidth-on-demandEnd-to-end management

Layer 2 Communications : Next Generation WAN

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