Computer Science Network Engineer Expert Witness

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Computer Science Network Engineer Expert Witness

Provides Opinion & Testimony In:

Computer Science Network Engineer, Telecommunications, Network Communications, Network Architecture, Computer Networks, Communication Networks, OSI Layers, TCP IP, TCP, UDP, IP, IP V4, IP V6, FTP, Network Applications, Data Link, ICMP, ARP, DNS, SNMP, Multicast, Unicast, SMTP, POP, Wireless Routing, Switching, Routing Protocols, RIP, BGP, QoS, Quality Of Service, NAP, MPLS, Packet Switching, Circuit Switching, LAN, WAN, VPN, Network Infrastructure, Internet, Intranet, Extranet, Web, Web Applications, HTTP, HTML, URL, Java, C, C++, Grid Computing, Unix Communications, Sockets, Ports, IPC, PRC, File Transfer,

Expert Witness No. 147


Telecommunications, Network Communications and Mobile Wireless Technologie Expert
Scientist, educator, and technologist with 30 years of experience. He has co-authored over 25 scientific publications, journal articles, and peer-reviewed papers. Dr. Lavian serves as an expert in network communications, telecommunications, Internet protocols, and mobile wireless technologies. He is the named inventor of over 120 issued and filed patents. He served as Principal Investigator (PI) for three US Department of Defense (DARPA) projects.


Ph.D., Computer Science specializing in networking and communications, UC Berkeley
M.Sc., Electrical Engineering, Tel Aviv University
B.Sc., Mathematics and Computer Science, Tel Aviv University


  • Network communications, telecommunications, Internet protocols, and mobile wireless:
  • Communication networks: Internet protocols; TCP/IP suite, TCP, UDP, IP, Ethernet, 802.3, network protocols, network software applications, data link, network, and transport layers (L2, L3, L4), packet switching, data center network architecture
  • Mobile wireless: Wi-Fi, 802.11 (a/b/g/n/ac), MAC, PHY, OFDM, DSSS, Wireless LAN (WLAN). Cellular systems, GSM, LTE, CDMA, FDMA, TDMA,
  • SMS, instant messaging (chat), mobile devices, smartphone
  • Internet/cloud: Web applications, HTTP, e-mail, SMTP, POP, IMAP, Java, C/C++, file transfer FTP, client-server, cloud computing, distributed computing
  • Routing/switching: LAN, WAN, VPN, routing protocols, RIP, BGP, MPLS, OSPF, multicast, DNS, QoS, network infrastructure, network communication architectures
  • Unified Communications: PSTN, circuit switching, IP telephony, VoIP, SIP, RTP, SS7, optical networks, carrier Ethernet, SONET, SDH, WDM, TDM, video/audio conferencing, streaming media


  • Served as Principal Investigator (PI) for three US Department of Defense (DARPA) projects
  • Directed networking computation project for the US Air Force Research Lab (AFRL)
  • PI of a wireless research project for an undisclosed US federal agency
  • Led and developed the first network resource scheduling service for grid computing
  • Managed and engineered the first demonstrated transatlantic dynamic allocation of 10Gbs Lambdas as a grid service
  • Development and successful demonstration of the first wire-speed active network on commercial hardware
  • Inventor of over 120 patents, over 60 prosecuted pro se in front of the USPTO
  • Created and chaired Nortel Networks’ EDN Patent Committee


  • University of California, Berkeley, Berkeley, California 2000-Present UC Berkeley SkyDeck, Industry Fellow, Lecturer, Visiting Scientist, Ph.D. Candidate, Nortel’s Scientist Liaison
  • Some positions and projects were concurrent, others sequential
  • UC Berkeley SkyDeck startups – advanced technology research, development, business, and market
  • Industry fellow and lecturer at the Sutardja Center for Entrepreneurship and Technology (SCET).
  • Conducted research projects in data centers (RAD Labs), telecommunication infrastructure (SAHARA), and wireless systems (ICEBERG)
  • Acted as scientific liaison between Nortel Research Lab and UC Berkeley, providing tangible value in advanced technologies
  • Developed long-term technology for the enterprise market, integrating communication and computing technologies
  • Studied network services, telecommunication systems and software, communications infrastructure, and data centers
  • Earned a Ph.D. in Computer Science with a specialization in communications and networking

TelecommNet Consulting, Inc. Sunnyvale, California 2006-Present
Principal Scientist
Consulting in the areas of network communications, telecommunications, Internet protocols, and smartphone mobile wireless devices
Providing system architecture and technology analysis for computer networks, mobile wireless devices, and Internet web technologies projects
Providing expert witness services in network communications patent infringement lawsuits

CRadar.Ai, UC Berkeley, California 2018-Present
Principal Investigator/CTO
CRadar.Ai improves the Radar wireless RF signal phase noise purity by 100x
Accurate Radars are paramount for self-driving car safety. Radars “see” where Cameras and LiDars are “blind” (fog, rain, snow, direct sunlight, and darkness)
The superior wireless RF signal quality provides clean signal for high Radar accuracy
Improving Radar accuracy and resolution enables true redundancy, sensory fusion and puts the Radar into the sensory spearhead

Aybell (VisuMenu Inc.), UC Berkeley, California 2016-Present
Aybell transforms smartphones into visual menu systems, making the phone a frictionless point for user interactions with all features of customer service platforms. Empowers consumers to reach the right agents in call centers, overcoming customer service barriers. Aybell is a branding and marketing of VisuMenu advanced technologies.

Architecture, design and implementation of a cloud data center for connecting any smartphone user, to any company and/or service, by digitizing interactive voice systems, and exposing through cloud-service APIs to other applications
The system is deployed as a cloud networking and cloud computing service on Amazon Web Services (AWS) and Google Cloud Platform (GCP)
Technologies include Data Science analytics, Machine Learning (ML), Artificial Intelligence (AI), and Statistical Learning (SL). Building an NLP Parser using Python, NLTK, SpaCy and other NLP libraries and modules

VisuMenu, Inc., Sunnyvale, California 2010-2016
Co- Founder and Chief Technology Officer (CTO)
Led the software design and development of a visual IVR system for smartphones and mobile devices, based on an innovative use of wireless and network communications technologies
Design of a search engine for IVR / PBX using Asterisk, SIP, and VoIP
The system was deployed as a cloud networking and cloud computing service on Amazon Web Services (AWS) and Google Cloud Platform (GCP).
VisuMenu advanced technologies rebranded as Aybell.

Ixia, Santa Clara, California 2008 – 2008
Communications Consultant
Researched and developed advanced network communications testing technologies:
IxNetwork/IxN2X —IP routing and switching devices and broadband access equipment. Provided traffic generation and emulation for the full range of protocols: OSPF, RIP, EIGRP, BGP, IS-IS, MPLS, unicast, multicast, broadcast, layer 2/3 VPNs, IPSec, carrier Ethernet, broadband access, and data center bridging. Tested and validated IEEE, ITU and IETF RFC standards compatibility
IxLoad — quickly and accurately modeled high-volume video, data, and voice subscribers and servers to test real-world performance of multiservice delivery and security platforms
IxCatapult — emulated a broad range of wireless access and core protocols to test wireless components and systems that, when combined with IxLoad, provides an end-to-end solution for testing wireless service quality
IxVeriWave — employed a client-centric model to test Wi-Fi and wireless LAN networks by generating repeatable large-scale, real-world test scenarios that are virtually impossible to create by any other means
Test automation — provided simple, comprehensive lab automation to help test engineering teams create, organize, catalog, and schedule execution of tests

Nortel Networks, Santa Clara, California 1996 – 2007
Originally employed by Bay Networks, which was acquired by Nortel Networks
Principal Scientist, Principal Architect, Principal Engineer, Senior Software Engineer
Held scientific and research roles at Nortel Labs, Bay Architecture Labs, and in the office of the CTO

Principal Investigator for US Department of Defense (DARPA) Projects
Conceived, proposed, and completed three research projects: active networks, DWDM- RAM, and a networking computation project for Air Force Research Lab (AFRL)
Led a wireless research project for an undisclosed US federal agency

Academic and Industrial Researcher

  • Analyzed new technologies to reduce risks associated with R&D investment
  • Headed research collaboration with leading universities and professors at UC Berkeley, Northwestern University, University of Amsterdam, and
  • University of Technology, Sydney
  • Evaluated competitive products relative to Nortel’s products and technology
  • Proactively identified prospective business ideas, which led to new networking products
  • Predicted technological trends through researching the technological horizon and academic sphere
  • Designed software for switches, routers, and network communications devices
  • Developed systems and architectures for switches, routers, and network management
  • Researched and developed the following projects:
  • Data-Center Communications: network and server orchestration 2006-2007
  • DRAC: SOA-facilitated L1/L2/L3 network dynamic controller 2003-2007
  • Omega: classified wireless project for undisclosed US Federal Agency 2006-2006
  • Open platform: project for the US Air Force Research Laboratory (AFRL) 2005-2005
  • Network resource orchestration for Web services workflows 2004-2005
  • Proxy study between Web/grids services and network services 2004-2004
  • Streaming content replication: real-time A/V media multicast at edge 2003-2004
  • Packet capturing and forwarding service on IP and Ethernet traffic 2002-2003
  • CO2: content-aware agile networking 2001-2003
  • Active networks: US DARPA-funded research program 1999-2002
  • ORE: programmable network service platform 1998-2002
  • JVM platform: Java on network devices 1998-2001
  • Web-based device management: network device management 1996-1997

Technology Innovator and Patent Leader

  • Created and chaired Nortel Networks’ EDN Patent Committee
  • Facilitated continuous stream of innovative ideas and their conversion into intellectual property rights
  • Developed intellectual property assets through invention and analysis of existing technology portfolios
  • Aptel Communications, Netanya, Israel 1994-1995
  • Software Engineer, Team Leader
  • Start-up company focused on mobile wireless CDMA spread spectrum PCN/PCS
  • Developed a mobile wireless device using an unlicensed band – Direct Sequence Spread Spectrum (DSSS); FCC part 15 – unlicensed transmitters
  • Designed and managed a personal communication network (PCN) and personal communication system (PCS), which were the precursors of short text messages (SMS)
  • Designed and developed network communications software products in C/C++
  • Invented and implemented a two-way paging product

Scitex Ltd.,Herzeliya, Israel 1990-1993
Software Engineer, Team Leader
Software and hardware company acquired by Hewlett Packard (HP)
Developed system and network communications in C/C+
Invented Parallel SIMD Architecture
Participated in the Technology Innovation group

Shalev, Ramat-HaSharon, Israel 1987-1990
Start-up company
Software Engineer
Developed real-time software and algorithms in C/C++ and Pascal
IEEE senior member
IEEE CNSV co-chair, Intellectual Property SIG (2013)
President Next Step Toastmasters (an advanced TM club in the Silicon Valley) (2013-2014)
Technical co-chair, IEEE Hot Interconnects 2005 at Stanford University
Member, IEEE Communications Society (COMMSOC)
Member, IEEE Computer Society
Member, IEEE Systems, Man, and Cybernetics Society
Member, IEEE-USA Intellectual Property Committee (2012)
Member, ACM, ACM Special Interest Group on Data Communication (SIGCOM)
Member, ACM Special Interest Group on Hypertext, Hypermedia, and Web (SIGWEB)
Member, IEEE Consultants’ Network (CNSV)
Global Member, Internet Society (ISOC)
President Java Users Group – Silicon Valley Mountain View, CA,1999-2000
Toastmasters International


  • Quixey –search engine for wireless mobile apps
  • Mytopia – mobile wireless social games
  • iLeverage – Israeli Innovations


  • Top Talent Award – Nortel
  • Top Inventors Award – Nortel EDN
  • Certified IEEE-WCET – Wireless Communications Engineering Technologies
  • Toastmasters International – Competent Communicator (twice)
  • Toastmasters International – Advanced Communicator Bronze


  • USA FIT – San Jose Marathon running club (2017-2018)
  • Hiking Bateva – hiking club
  • A dancer for 45 years

Patents and Publications, Publications,Presentations and Talks
Available on full CV


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