Webinar: vE-CPE, Implementation & Test Strategies
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Just as white-box switches have transcended the traditional top-of-rack business model for customers demanding greater service flexibility and easier provisioning, enterprise customers are demanding more flexible, open, and cloud-based WAN technologies.Enterprise services offered by Communication Service Providers (CSP) have traditionally required the installation of multiple hardware appliances at the customer site in order to deliver mainstream functions such as routing, firewall and VPN. The customer premise equipment or CPE used to accomplish this is typically deployed on proprietary or specialized WAN technology with dedicated appliances used to implement different network functions. In addition, WAN traffic generally flows over expensive, dedicated E1/T1 lines using MPLS technology and the CSP provides the management systems that are required to operate and maintain the network.This approach has the benefits of guaranteeing enterprise customers with reliable network services and helps to ensure that service level agreements can be met. On the flip side, it offers little flexibility for businesses who require more capacity or additional services as it lacks the agility needed to quickly respond to new business opportunities. Time to revenue ultimately suffers as CSPs struggle to provision new services, which in turn slows the innovation cycle and delays growth.These challenges can now be overcome thanks to Network Function Virtualization (NFV) elasticity which allows network services to be moved around different locations in the network, both at the service provider edge and on the customer premises. Specialized appliances are no longer required, as network functions like routers and firewalls become virtual network functions (VNFs) and can run on open networking platforms based on Intel architecture in the cloud as well as at the branch office. While physical service functions require a truck roll to deploy a new service, NFV provides the ability to bring virtualized service network functions to managed network service customers much faster.
Dec, 2016
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