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Cloud CPE Solution Overview

The Juniper Networks Cloud CPE solution transforms traditional branch networks, offering opportunities for high flexibility of the network, rapid introduction of new services, automation of network administration, and cost savings. Based on the European Telecommunications Standards Institute (ETSI) standards for Network Functions Virtualization (NFV) management and orchestration (MANO), the Cloud CPE solution offers end-to-end provisioning of Layer 4 through Layer 7 network services through an open, cloud-based architecture. The solution supports both Juniper Networks and third-party virtualized network functions (VNFs) that network providers use to create the network services.

The solution can be implemented by service providers to provide network services for branch offices for their customers or by Enterprise IT departments in a campus and branch environment. In this documentation, service providers and Enterprise IT departments are called service providers, and the consumers of their services are called customers.

The solution offers 2 deployment models:

  • Cloud CPE Centralized Deployment Model (centralized deployment).

    In the centralized deployment, customers access network services in a service provider’s cloud.

  • Cloud CPE Distributed Deployment Model (distributed deployment).

    In the distributed deployment, customers access network services on an NFX Series Network Services Platform, specifically an NFX250 device, located at a customer’s site.

Service providers must consider several issues when choosing whether to employ one or both types of deployment. The centralized deployment offers a fast migration route, because you can replace a traditional CPE at a customer’s site with a simple Layer 3 network interface device (NID) to enable access to the network provider’s cloud. This deployment is the recommended model for sites that can accommodate network services—particularly security services—in the cloud. In contrast, the distributed deployment supports private hosting of network services on an NFX250 at a customer’s site, and offers software defined wide area networking (SD-WAN) capabilities.

Implementing a combination network in which some sites use the centralized deployment and some sites use the distributed deployment provides appropriate access for different sites. In thiscase, the deployments operate independently and use a central orchestration and management implementation.

Modified: 2016-10-11