Christophe Buffard Email & Phone Number

Phoenix, Az, Us

Cheseaux, Vaud, Ch

Cheseaux-Sur-Lausanne, Switzerland, Ch

Provides the Nagra UEX PU a messaging solution for the STB and open devices. This solution is operated in a cloud infrastructure (open or private) it could eventually be deployed on premises if required. It brings a flexible and an easy solution to send messages to any component running in a STB or to DTV operator (Digital TV) application running on an open device (iOS/Android/web application) in a PubSubHubbub model. This solution included a 2 way authentication mechanism relying on a PKI x509 solution. That solution is designed to scale horizontal as the Digital TV operator needs.

Fremont, California, Us

Allauch, Fr

Lead Architect responsible for the overall solution architecture and the mapping of customer requirements for Wyplay middleware Sky Italy POLKA project. This project is carried out in partnership with Telecom Italia and is intended to provide Sky IT linear and VOD content over OTT (IP) using the Sky DTH (Satellite) STB and Cisco CAS for TIM subscribers.

Dublin, Ie

Senior Technical Architect responsible for the overall solution architecture and the mapping of customer requirements for complex Digital TV system integration projects. Being a recognised Digital TV technology knowledge holder, creation and maintenance of End-to-End System Architecture.Main achievement are:-Ziggo (NL) Rainbow project.-BearingPoint (IE) Digital Video platform architecture and solution assessment project for a major Telecom company.

Cheseaux-Sur-Lausanne, Switzerland, Ch

Activities include: understand customer needs/requirements and propose end-to-end solutions. Deliver Functional & Security Requirements and Solution Architecture documents. Review new products proposed by Product Development/Product Management. Evaluate Nagravision’s position (value proposition to customer, business model, return on investment).Collaborate with R&D to validate Functional and Security Requirements and Solution Architecture documents; review solution architecture proposals and select best suited architecture and features (in light of security and customer requirements), while taking into account R&D workload, delivery and maintenance requirements to provide cost effective, sustainable solutions. Collaborate with Middleware platform providers and specify architecture at STB application level. Deliver STB application architecture and protocol specification with Service Delivery Platform.

Cheseaux-Sur-Lausanne, Vaud, Ch

Technical team lead and architect for Nagravision's IMS (Information Management System). Ensure maintenance and support, support product strategy and product road map. Define and follow development process: design specifications, oversee development according to specifications and ensure timely delivery to customer. Maintain close working relationship with customer/product project (Solution Architects, Product Architects, Product Managers) to ensure product features and quality meets expectations.

Creator and Principal architect of Lysis's EIS (Event Information System) product for managing and synchronizing MPEG-DVB (PSI/SI) data, conditional access and compression systems in digital television service operator head-ends. In 2002, this product represented over \$ 10 million in annual revenues.Technical team lead, ensuring design, development, maintenance and support, in support of product strategy and road map. Define and follow development process: design specifications, perform development according to specifications and ensure timely delivery to customer. Maintain close working relationship with customer/product project (Solution Architects, Product Architects, Product Managers) to ensure product features and quality meets expectations.Strongly involved in pre-sales with customers to capture needs and requirements. Coaching and direction of software development sub-teams. Sales consulting, analysis of client needs, definition of solutions and headend architecture for proposals and project implementations. Analysis of integration with external headend subsystems, including working with partners to determine optimal integration strategies and joint definition of APIs.Technical expert in the areas of MPEG2 (Motion Picture Expert Group), DVB (Digital Video Broadcasting), OpenCAS. Active participant in DVB and OpenCAS meetings and working groups.

Lausanne, Vaud, Ch

Research study of the implementation of a methodology based on formal algebraic languages for the dynamic analysis of concurrent programs. Program sponsored by the Swiss Federal research Fund and European Fund Design and Validation.Studied the implementation of a compiler of algebraic specifications based on the Petri net. Program sponsored by the Swiss Federal research Fund and European Fund Design and Validation.Member of the European research group ESPRIT-DeVa (Design and Validation).