Virtual CPE & Virtual Router VNF Development



About the Client

The client is a growing European operator who wanted to help their customers stay ahead of the curve by being a driving force for innovation and adoption of new technology.

Business need

The client wanted ALTEN Calsoft Labs to develop Virtual CPE and Virtual Router
VNFs for residential services. The key challenges of the project were:

  • The client was planning to launch new residential services in their market
  • Build a futuristic solution that can address residential market in the initial phases and enterprise market in the later phases
  • The client was looking for a partner who had a base framework to quickly deliver customized VNFs, who can build scalable solutions in terms of features/performance and having prior experience in delivering customized NFV & SDN solutions

Solution delivered

ALTEN Calsoft Labs Virtual CPE VNF enabled the operator to offer their customers residential services. The operator could replace their complex and expensive Layer 3 CPEs with simple low-cost Layer 2 CPE devices and the Layer 3 CPE functions were provided by the residential Virtual CPE on the operator cloud.

Virtual Router VNF enabled the operator to build sophisticated, multi-tier networks within the virtualized environments and support adding, configuring and moving network services on-demand. Virtual Router VNF handled the routing to CDNs and other local services supporting OSPF over IPv4 and scaled out to utilize equal-cost multi-path routing (ECMP) on the edge router towards the x86 cluster, to achieve redundancy and scalability.

  • Replacing complex and expensive Layer 3 CPEs with simple low-cost Layer 2 CPE devices
  • Run on off-the-shelf Intel Xeon E5-2600 servers on Linux
  • Dynamic provisioning/de-provisioning of residential services
  • Layer 2 visibility to client devices allowing OTT services to be delivered to a specific end user
  • High availability through instance remediation
  • Significantly lower CapEx and OpEx

Technology stack

  • HW specifications: Dual Processor 8 Core system with Intel E5-2630 V3 Processors (64 GB RAM | Intel X520 Cards – 2 – 4 x 10GbE | SSD Storage)
  • Open source softwares: Intel DPDK v1.7 or later, Quagga Routing stack, DNS Client, DHCP Server, Client & Relay, UPnP (IGD)

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