Dr. Rephael Benhamo Nationality: French Israel and USA Citizen 121 Avenue D’Italie 75013 Paris France Tel: +1 (914) 627 9746; Email: refael@itbery.com
Personal Profile Summary & Area of Expertise – Lead researcher and Business Development
I hold Ph.D. in computer science and mathematic from the Hebrew University. DARPA (USA) have given me, Ph.D. Thesis award - Optoelectronic Semiconductor Design & Fabrication. I hold B.S.c, M.S.c and MBA from NYU-Polytechnic of NY. I thought several course in the Courant Institute of Mathematic, Tel-Aviv and Hebrew Universities.I worked for over eight year as a researcher on multi-layered optical and packet network routing, optimization, operation and services in AT&T Bell Laboratories.I hold several patents on elastic networks and content integrity.
With strong background in the mathematical and information algorithms for the design of very large wireless and terrestrial undersea fiber optical networks. Over twenty years of experience in business and operational understanding of mobile, telecom, media, security and BSS/OSS process automation.
I'm providing services design and deployment for Huwaei, Amdocs, and Nokia customers. This includes, per-sales activities, PoCs, system integration, services provisioning, automation, HLD, LLD and DLD documentations review with customers and system development teams. Support for RFQ, RFI and review of standards drafts.
Over 26 years in telecom operation performance, management, and digital transformation. Innovative and curious seeker with over 10 years in AT&T Lab, Lead network performance research. Contributor to TMF, ITU-T, 3GPP, ETSI, MEF SDOs. Served as CTO and VP Network services, working with leading carriers including T-Mobile, Verizon, BT, Vodafone, Orange, Jio, SingTel, etc.
Led product innovation and management, architecture, and research in wireline and wireless networks, OSS, BSS, PaaS, and emerging advanced technology areas. Technical leadership leveraging big data, security, network, Cloud, SDN, 5G-C, O-RAN, IMS, MEC, NFV, IoT, AI/ML. Open-APIs and Zero Touch Partnering, technical pre-sales and engineering. Assessment of new services such as digital gaming, online video, messaging apps, smart home services, digital music, e-health, financial services and location-based services.
Telco Cloud transformation: (I) digitization, converting information into digital (e.g., machine-readable), (II) digitalization, automating the CSP’s processes (III) applying digital tools to the CSP’s operations such as digital twin, ontologies, knowledge graphs, applying semantics to give context and relationships to data, providing a framework for data fabric and integration, unification, analytics and sharing, deployed on AWS, Azure, and hybrid cloud environment.
Lead CoE: Design PoC 5G Private network for Verizon using 5G CN (MS Azure) and O-RAN (Altiostar, Rakuten), cloud native serverless microservices architecture using VMwareNSX platform for networking. Also, lead contributor to the TMF working group on digital-twin ontology based knowledge graph model (RDF graph linked by schema, e-map, physical environment info, network coverage, delay, load, topology, etc.) and closed loop automation for mutli-layered 5G network
Build PoC for VNF virtualization cloudifications and visualization (Matplotlib). The PoC 5G Network topology discovery (QraphQL, Resnet), Graph Neural Network (GNN) analytics, data transfers, mobility control, session management, radio access network sharing, positioning, and functional splits channel., environment (computing force, storage resource, user journey, antenna coverage, etc.), and configuration (scheduling algorithm, real network parameters, user behavior, etc.), realize closed-loop development and verification. 5G+AI algorithms, simulation, and model performance verification.
Data Governance: Data collection & storage, clustering, dispersed analysis, network structures, consumer demand and availability, R & Python. Splitting video content into small segment, distributed CDN cashes, MEC video distribution stream analysis & surveillance. ADC, DDoS, URL filtering and offload application suing SDN, clustering, routing, operations, and performance optimization. L0, OTN-L1, Packet-L2
Blockchain: Protecting communication channels from adversary attack using DLT and applying VNF & SDN reroute of malicious traffic. Radio analytics with information on estimated downlink radio throughput and adjusting TCP congestion control (social, analytics, video, surveillance, etc.
Design a blueprint of AR/VR and metaverse using digital twin of cell sites, a “metasite”, that enable complete walk through to remote sites and enable remote maintenance and operations task. Utilized AI/ML decision models such as (TensorFlow), anomaly detection, pattern discovery, data insight (BI), prescriptive analytics.
Lead author and contributor toTM Forum IG1295 “Measuring Autonomous Network Operation Integrity”, TR284E “Digital Twin and Closed Loop Automation”, to facilitate CSP’s advanced autonomous network operation using TMF Open-APIs and ETSI GS ZSM 002 framework. Built and apply learning model that measures Developed an OSS/BSS transformation strategy based on a digital stack architecture using TM Forum eTOM/SID/FF, autonomous operation, TMF Open-APIs, AIOps practices, maturity model and data governance.
Designed AI-based techniques to support enterprise decision-making processes, including predictive analytics, fraud and anomaly detection, risk assessment, to enable data-driven decisions
Implemented smart city surveillance model based on an airport surveillance platform, using IoT sensors, video cameras, and drones interconnected through LTE-M, NB-IoT, LoRaWAN, and 5G.
Designed an information security framework that reduces data breaches and addresses classification, identity, and access management (IDAM), governance, regulatory and legal constraints, and GDPR. Implemented federated identity, access management, and content integrity using DLT for zero trust.
Studied enterprise Zero Trust Partnering (ZTP) strategy management to achieve the long-term goals of the ecosystem/marketplace. Acquiring and managing engaged actors and roles, and systematically analyzing, planning, and implementing activities to engage them over the ecosystem life cycle.
Contributed to the development of industry standards through work with the TM Forum and other SDOs, including 3GPP, ETSI, MEF, BBF, and the O-RAN alliance, leveraging open APIs and other SDO APIs.
Expertise in telecommunications architecture, services and related technologies, specifically, in the areas of 5G technology, MEC, compute and network infrastructure and planning for V2X global slice planning, AI-based BSS/OSS, ERP, distributed AI API’s to improve business processes.
Tested ML algorithms and technique and their applications, such as AI and Supervised/Unsupervised/Reinforcement (TensorFlow, LightGBM, XGBoost, DBSCAN, PyTorch etc.) to improve business processes and operation
Know-how cloud native microservices architecture for MEC and 5G ecosystems transformation and modern software design and architecture principles
Principal design of 5G KPI for procreative anomaly preventions and secure dedicated logical networks on a shared infrastructure based on distributed management architecture.
Strong background in ML for IoT devices, video analytics, location services and AR/VR support
Competent in the design of optimized localized MEC content distribution and data caching leveraging Open-APIs and cognitive modelling approach based on Defined data-driven intelligent decision-making
Profile An innovative and highly skilled Technical Executive offering support and solutions to customer queries. pertaining to the design of CSP digital stack architecture and strategy transformation, RAN network coverage optimization, topology management, open-source software. Design integration and deployment of Cloud Native (AWS-Cloud9), Azure, 5G SA, SBA, PoCs. Open-APIs and MEC deployment, autonomous network operation, adapts OSS/BSS and OCS to 5G. TM Forum contributor: leveraging Open-APIs and digital twin for Closed Loop Automation (CLA AI/ML) models for continuous monitoring, assessment, and refinement of QoE, specified intent and policy framework for ZTP, NaaS, CaaS. Experience in data content integrity, locality and mobility, smart cities (5G Private network, LTE-M, NB-IoT, LoRaWAN,..), energy consumption management, and Blockchain applications Education NYU-Polytechnic Institute, New York, NY - B.S.c EE 2000 NYU-Polytechnic Institute, New York, NY - M.S.cCS 2002 Hebrew University, Jerusalem, ISRAEL - Ph.D. CS and Mathematics 2007 Hebrew University, Jerusalem, ISRAEL - MBA. Finance 2009 Awards AT&T Bell Laboratories Graduate award, 2002 DARPA Grant, Ph.D. Thesis award: VLSI Optoelectronic Design & Fabrication, 2005 AT&T Distinguish Member of Technical Staff, Fellowship award 2009
USA Patents No.: 6,301,267 B1: "Optical Smart Switch in Elastic Networks", 2009 No. 98/987.776 "SDN Load Balancing & Scalable L7 Visibility” (pending) 2017 No. 16/176,580 "System and Method for Content Integrity” (pending), 2020 Skills Developed MEC and 5G ecosystems involving a broad range of stakeholders for V2X, slice planning, video analytics, location services, IoT, AR/VR, optimized local content distribution, data caching, to enables procreative anomaly preventions using 5G KPI to build, sperate and secure dedicated logical networks on a shared infrastructure and support for fixed access and SD-WAN accesses. Derive Autonomous network operation model based on Intent and Open-APIs. Define and engineer Digital Twin (DT) solution architecture to fulfill a cognitive modelling approach, blueprint, data strategy, design, use cases data modeling and implementation using CLA and AI/ML/RL models and data analytic for CSPs and vertical markets to enable data-driven intelligent decision-making. Ole noas defined in NGOSS BSS/OSS cloud native Microservices Architecture based on distributed management architecture
Work Experience Barnet Communications Intelligence CTO 2004 – Present
Strategic and technical skilled advisor for leading CSPs worldwide adapting new product development and services, OSS/BSS, autonomous operations thru Open-APIs and AI/ML, ZTP and strategic partnerships, mobility, and locality services, 3G/4G/5G transformation, IoT, Smart Cities, 5G Private Networks, MEC and distributed localized services
HCL Technologies 2020-2023: VP 5G Innovations and Chief Architect
Design and Build 5G Lab for Verizon based on MS Azure and Altiostar/Rakuten, VMWare NSX platform for E2E configuration and troubleshooting across O-RAN domains.
Led the development of multiple industry standards at TM Forum and liaison with 3GPP, ETSI and MEF,
Worked on industry standards such as: CLA, Digital-Twin, AIOps, NaaS, CaaS, ZTP, Data Governance, information and data models, Open Digital Architecture (ODA) components, Autonomous Network (AN) leveraging Open-API's
Designed and implemented a successful O-RAN and 5G Core Lab using Metaswitch (Azure), Altiostar (Rakuten) and VMWare NSX.
Led the development of industry standards at TM Forum and liaison with 3GPP, ETSI and MEF, this includes: CLA, Digital-Twin, AIOps, NaaS, CaaS, ZTP, Data Governance, information and data models, Open Digital Architecture (ODA) components, Autonomous Network (AN) leveraging Open-API's
Assisted with digital transformation efforts at AT&T, Verizon, and T-Mobile
Enabled end-user automated 5G slice provisioning for V2X using VNFs/CNFs with dynamic micro-segmentation and service chaining
Director SD-WAN Automated Network solutions - Comcast 2019-2020
Versa - SASE SD-WAN platform, Palo-Alto and Fortinet security VNFs, Amdocs - active & available inventory, order delivery & orchestration, automated service management
Huawei, Shenzhen, ROC 2016-2019, VP Led Technical Advisor to Huawei’s Customer
Served as principle consultant on 5G and NGOS cloud native transformation for various customers, including Telenor, TeliaSonera, Tele2, VF-Group, T-Mobile, Etisalat Group, VF-Idea, Globes, Smart, STC, Mobily, Avea, and Turk cell, Etisalat Group (Abuja, NG): VF-Idea (Mumbai, IN): Globes, Smart (Manila, PH) , STC, Mobily (Riyadh SA): Avea, Turk cell (Istanbul TR) 5G and NGOS cloud native transformation
Implemented 5G core network-based services and cloud native transformation. Design and deploy PoCs for vIMS, vSBC, vTAS, VoLTE, VoNR, ViLTE, FWA, eMBB, mMTC, and MIoT
Assessed and addressed challenges in 5G network operations, including slice lifecycle management and "zero touch" operations. Experience with integration in multi-vendor ecosystems and development and deployment of hosted services programs: VIM/NFVI and PNFs, data models, on-boarding, resilience applications decompose into smaller functionalities that runs on PaaS APIs services
MSP cloud transformation planning using M/R/E- CORD, ONOS, and ONAP for wireless, terrestrial, and optical access and transport networks. Implement EN-DC interworking based on microservices NF packaged in containerized image, orchestrated by Openstack helm, Kubernetes, Airship on network slice instance to automate provisioning & management. Assess operation challenges in 5G network: slice lifecycle management, “Zero touch” operations: creation, provisioning, service enablement, closed-loop assurance, self-healing, predictive, and pro-active network/service 5G and NGOS cloud native transformation
Design network 5G slices performance analysis: create, activate, & manage network slice instances and services in real-time. Network slice instance CNFs are monitored & integrated using KPIs automated data analytics AI/ML, SBA & MEC for IoT & URLLC. Develop and deploy hosted services program: technical architecture governance and E2E operational model and remote help desk (NOC in India), APIs exposure program for 3ed party vendors, feasibility, design, analysis and E2E deployment, SDP/SOA
Amdocs- 2014–2016 Director BSS/OSS Strategic Planning and Development
Lead technical advisor to Amdocs’ customers BSNL, Vodafone Essar, ICE VertICE, SingTel
Design and development of Zero-Touch Automated Operations Solutions, data analytics and quantitative modeling for devices to improve device performance, quality, user QoE, QoS. for
Performance measure, Statistical modeling of wireless network and device QoS/KPI/KQI, user behaviors.
Visualize the analytical results using data visualization tools. ML algorithms: forecasting, clustering, classification, reinforcement learning, deep learning.
Data extraction/transformation/loading, text mining and statistical analysis using Python, R, MATLAB, VBA, Java Scripts. Spark, Hadoop, MySQL, MS Excel, VBA, TeraData SQL, MS SQL
Policy enforcement and integration point testing and integration using Amdocs A&AI using Versa edge and Palo-Alto. Enabled NaaS & SASE Convergence: NGFW and UTM
Nokia 2011-2014 Lead Solutions Architect
Principle consultant to Nokia’s Customers: BT, EE, 3UK, VF UK (London, UK), DT (Munich DE), Orange (Paris FR), KPN (Amsterdam, NL), VF (NL, IN, ES, GH)
Network Solutions & Professional Services, - Customers: British Telecom, Deutsche Telekom, France Telecom, Vodafone (VF- UK, VF-NL, VF- India, VF-Spain, VF-Ghana)
Integration of an enterprise small cells and IoT devices providing intelligence control and management for the production chain
Planning, design, integration and deployment of VoIP services in multi-vendor’s network.
Design and deployment FTTH ODN Optical Distribution System, IP networks transformation and network services migration planning.
Design 21CN IP transport network for BT: Separation of control and user plane applications (DNS, DHCP, Radius, Diameter, NTP, LRSI)
Routing protocols and architecture deployment of BGP, OSPF, FWs, IPSec, SSL/TLS, AES (CBC & GCM), 3DES, PKI, backhaul and front-haul aggregation
Developed and deployed software components to optimize traffic, prevent network congestion, traffic engineering, developed and patented data analytics tools for IP-Optical synergy
AT&T Labs NJ, USA. 2005-2010.DMTS – Optical and Packet Network Research
Algorithms Design, Simulations, and development for the global AT$T USA network
Led study to derive performance measure for data transport, engineering rules to enable error freed communication channel for private lines using mixed technologies (mobile, fiber, satellite, cupper, coax)
Algorithm design and deployment: IP Broadcast, radio planning and coverages, network optimization
Next generation network operations advances, autonomous service activation and provisioning assets management and cross-domain network optimization
Dark-fiber SDH/SONET/IP, 40G/100G/200G/400G coherent optical transmission technologies, Ethernet, Switching, Routing, Data Networks, DCN, optical mesh redundant routes and wavelength routing, DSL, MSAN/MSAG, OAM&P and EMS/NMS
Proficiencies
AWS - Cloud9, Azure, Telco private clouds and Heroic, Docker, Kubernetes, Openstack, Chef and PuppetScripting and Programming: Linux, GitHub, TCL, Perl, Ruby, Go, RESTful APIs, gRTP, Kafka, C/C++, JavaScript, Java/J2EE, Servlets, OpenvSwitch, PHP, R, SOA, Spring MVC, SQL and No-SQL. HTML5, JS, CSS, XML, Openshift, Apache Spark
