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Multiservice Edge Aggregation and Switching
Service Providers targeting the corporate data services market are seeing a healthy and growing opportunity with newer services emerging based on Ethernet and MPLS technologies complimenting existing cash cow revenue streams. Service providers realize that if they are to seize these opportunities they must simultaneously drive down their operational and capital expenditures, while they evolve their networks to infrastructures designed to achieve both objectives.
For Service Providers to achieve a successful business model, it is important to leverage a next generation multiservice edge platform that can provide these new services alongside current and legacy services. When evaluating the multiservice edge, Service Providers need an optimal mix of platform flexibility, service and interface breadth, and both capital and operating cost efficiency.

In addressing these goals, many Service Providers have found that the legacy platforms from large equipment vendors fall short of providing a convergence between current and next-generation services based on Ethernet and IP/MPLS. In addition, these platforms cannot provide them with a migration path to evolve from traditional services like ATM/FR to IP/Ethernet.
One example is a Service Provider that caters to the business customer and found it had multiple independent platforms that could not collectively support its current and emerging service demands. In addition, some of these legacy platforms were reaching End-of-Life, so choosing a greenfield-only solution for the multiservice edge would force them to strand their cash cow services and cause a potential disruption to their customer base.
For this Service Provider, the HSX 6000 is well-positioned to meet their requirements for a next-generation Multiservice Switch solution. The HSX 6000 provides five key functions for this customer on a single platform:
Layer 2 aggregation of legacy Frame Relay/MLFR and ATM/IMA services to offload edge routers while maintaining stringent SLA requirements;
Highly economical, QoS-enabled Leased Line IP aggregation for PPP/MLPPP/HDLC services to corporate users;
Flexibility of offering native Ethernet or Ethernet-over-SONET/SDH for emerging Ethernet service offerings (both E-LINE and E-LAN);
Full Service Interworking between legacy and new Ethernet service offerings; and
IP Multicast for feeds to end-users in the financial sector.
This Service Provider is able to eliminate four current boxes with the HSX 6000 multiservice edge solution and simultaneously provide key differentiation with its QoS through a Web-based portal managed service. As depicted in the diagram, the HSX 6000 provides key functions that allow service providers to drive down their operational costs and provide competitive service offerings.
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