Netwrapper

SCENARIO

The adoption of new Unified Communications and Collaboration (UC&C) solutions (mainly based on video) is crucial for the business development and the strategy success of enterprises widely spread on geographies. Multiple UC&C applications often share the same network resources and are unaware of traffic generated by other services in terms of effective bandwidth usage.

Moreover, the traditional technologies for managing QoS, traffic prioritization and UC&C Call Admission Control (CAC) policies are no longer adequate for delivering high level of Quality of Experience (QoE).

The introduction of Software Defined Networking (SDN) approach allows a more flexible enterprise network management improving bandwidths efficiency also for UC&C applications.

QoE challenge can be addressed in a fully converged way taking into account at the same time network status and application need.

BENEFITS

Italtel Netwrapper is a powerful Enterprise SDN application that “wraps” network and services (applications), enabling a fruitful harmonization between them.

Netwrapper understands UC&C services needs for bandwidth and determines the right allocation of network resources in order to offer users the best possible QoE. Its main goal is to provide a smart usage of higher-priority Classes of Services making sure that the bandwidth used by multiple UC&C applications does not exceed the Service Provider’s Service Level Agreement (SLA).

Bridging the gap between application needs and network resource availability, Netwrapper enables a dynamic tuning of CAC rules and application prioritization.

Netwrapper, built on top of Cisco DNA Center, is the outcome of the strong cooperation between Italtel and Cisco around Enterprise SDN technology.

TECHNICAL DESCRIPTION

Netwrapper is the “policy engine” of Italtel Dynamic Admission Control solution.

The DAC solution adopts a 4-layers Enterprise SDN approach: Applications, Enterprise Controller, Programmable Networks and Human Interaction.

  • Applications Layer – It represents the tie between network and business services. Netwrapper relies in this layer: it gathers from call controllers (Cisco Unified Call Manager and Microsoft Skype for Business) the info about UC&C services (service topology, audio and video CAC bandwidth parameters, service bandwidth usage counters), matching them with network resources status provided by Cisco DNA Center. Dynamic changes of bandwidth parameters can be applied according to specific policies.
  • Enterprise Controller Layer – DNA Center is the Cisco SDN controller that creates a centralized topology view of the enterprise network. It interacts with Netwrapper providing it with network info and applying the network policies defined by Netwrapper algorithms.
  • Programmable Networks Layer – It represents the physical layer where the information are collected and the policies are applied. The interaction with Cisco DNA Center allows to fully address applications needs in terms of policies and quality.
  • Human Interaction Layer – It allows Netwrapper (sw machine) and IT operators (humans) interact mutually through cloud systems (Cisco Spark and Tropo services) using text-to-sms and chatbot as automatisms for requiring information and for changing UC&C applications’ Admission Control policies.

Italtel Netwrapper is:

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