Network Functions Virtualization

Network Functions Virtualization aims to transform the way that network operators architect networks by evolving standard IT virtualization technology to consolidate many network equipment types onto industry standard high volume servers, switches and storage. Implementation of network functions in software that can run on a range of industry standard server hardware, and that can be moved to, or instantiated in, various locations in the network as required. Network Functions Virtualization is applicable to any data plane packet processing and control plane function in fixed and mobile network infrastructures.

NFV High Level Architecture & Scope:


iLink Expertise and Solutions:

There are a number of challenges to implement Network Functions Virtualization which need to be addressed by the community interested in accelerating progress. iLink’s early involvement with NFV development & implementation will make it one of the dominant partners in the industry. Currently, iLink is collaborating with a known partner in the development of Management & Orchestration (MANO) layer. This layer will support following sub-layers& functionalities.

NFV Orchestrator (NFVO):

  • On-boarding of new Network Service (NS), VNF-FG and VNF Packages.
  • NS lifecycle management (including instantiation, scale-out/in, performance measurements, event correlation, termination).
  • Sends resource related requests: authorization, reservation, allocation by VNG manager.
  • Send configuration info to VNF Manager.
  • Global resource management, validation and authorization of NFVI resource requests.
  • Policy management for NS instances.
  • Ensuring the appropriate level of resilience to hardware and software failures.
  • Automated Scalability & Resiliency

VNF Manager:

  • Lifecycle management of VNF instances – instantiation, update, query, scaling, and termination.
  • Collect state info on VNF for life cycle management.
  • Overall coordination and adaptation role for configuration and event.
  • Reporting between NFVI and the E/NMS.

Virtualized Infrastructure Manager (VIM):

  • Control & manage interaction of VNF with computing, hypervisor, storage, and network resources within one operator’s infrastructure sub-domain.
  • Visibility into and management of NFV infrastructure.
  • Root Cause Analysis of Infrastructure collection and forwarding of performance measurements and events.
  • Collection of infrastructure fault information, capacity planning, monitoring & optimization.

iLink will also support VNF to VNF integration and integration of MANO layer with OSS/BSS systems including OSS/BSS development needs to move to a model in-line with Network Functions Virtualization. Proper integration of multiple virtual appliances from different vendors will allow Network operators need to be able to “mix & match” hardware from different vendors, hypervisors from different vendors and virtual appliances from different vendors without incurring significant integration costs and avoiding lock-in.

iLink’s future plan is to build & implement a suite of systems to support all leading use cases in the NFV domain.

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  • SriramGanapathySriram Ganapathy
    Strategist – Cloud Solutions at Microsoft


    Sriram Ganapathy is a Technical Specialist with Microsoft. He has been with Microsoft for 17+ years and has held a variety of roles including solution sales, technical and partner sales, services, support and consulting. During his tenure at Microsoft, his focus has been on the Microsoft Data platform technologies. Sriram is based in Dallas and is focused on providing technology and solution guidance to customers in the US central region in SQL Server, Azure, Big Data, Advanced Analytics and related technologies. 

  • 4242c2728ednthumbabhi_vantaram

    Abhi Vantaram
    Director, iLink Systems

    Abhi has over ten years of experience working on an array of strategic planning, technology assessment, internet infrastructure, software architecture, development and implementation projects. He has over 6 years of experience in working on Environmental applications including Compliance, EMS, Sustainability, Haz Waste, Haz Mat, Conservation, NEPA, etc. He has worked with several fortune 500 clients, startups and product companies, as well as Federal, State & Local, Global Government. He has managed large teams, developed and delivered multiple enterprise solutions. He is well versed and has experience working with both Java/Oracle and Microsoft based technologies.

  • manigandan-gopalakrishnan

    Manigandan Gopalakrishnan
    Director NE Region, iLink Systems


    Mani has over 20 years of IT experience that spans Solution and Services Sales experience across various verticals such as Financial Services, Communications, Manufacturing, Media and Entertainment, CPG etc. He has worked with iLink for over 6 years, is based out of NJ and currently heads the NE Region Practice for iLink managing Sales and Business Development for NE, Mid Atlantic and some states in North Central, Mid-West and Heartland Districts.

  • ambujbigAmbuj Parihar
    Director – Central region, iLink Systems


    Mr. Parihar, with over 15 years of experience, has overall responsibility for the strategy and business development, including sales and marketing, of the Central region. Mr. Parihar holds a Master degree in Wireless Communication from the University of British Columbia and a Masters of Business Administration degree from Darden School of Business, University of Virginia.


  • leadership-page-piyushprakash Piyush Prakash
    VP – Business Operations & Innovation, iLink Systems

    Piyush is a performance driven technology leader with 16 years of experience in IT, and has overall delivery responsibility for all projects at iLink. He is intrigued by the ways in which technology binds us all, and touches our life (and business) on a daily basis. He enjoys discovering and simplifying the true value, often veiled behind the seemingly complex technology landscape of today. He has worked with several Fortune 500 companies, startups and ISVs to delivery large scale enterprise solutions as well as innovation driven R&D engagements. Personally responsible for iLink’s TCG (Technology Consulting Group) team, he relishes the opportunity to work on cutting-edge technologies, including delivery of various frameworks and accelerators.

    Prior to iLink, he has served in key positions in Infosys Technologies and TATA Interactive Systems. He holds a Bachelors of Technology degree from IIT (ISM) Dhanbad, and Masters in Electrical & Computer Engineering from The University of Texas at Austin.

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