Leon Shousterman
SYSTEM ARCHITECT
Alphei Menashe
Summary
With over 30 years of comprehensive expertise in modern datacom, telecom, and cybersecurity solutions, my experience encompasses various facets. I have proficiency in software engineering across data plane, real-time control plane, and management plane functionalities, along with expertise in network-wide solution engineering. I specialize in designing protocols and algorithms to achieve performance and security objectives. Moreover, I have actively contributed to international standard bodies and have authored or co-authored numerous international patent applications.
Overview
34
34
years of professional experience
1991
1991
years of post-secondary education
Work History
Systems Engineer
cymotive Technologies LTD.
06.2017 - Current
- Analyzing Customer Requirements and creating System Requirements and System Design Documents for In-Vehicle Intrusion Detection/Reaction System (IDS/IRS) for the new generation of Volkswagen cars
- Analyzing Customer Requirements and creating System Requirements and System Design Documents for Secure Service Oriented Architecture for the new generation of Volkswagen cars
- Analyzing Customer Requirements and creating System Requirements for integration of Adaptive AUTOSAR TLS library with ARM TEE (Trusted Execution Environment)
- Designing algorithmic solutions for CAN Bus timing anomalies detection when time measurements are imprecise
- Designing security protocol tolerant for long duration transport layer failures with an untrusted smartphone as intermediate storage device
Technical Leader — System Architecture & Algorithms
liveu LTD.
06.2013 - 06.2017
- Investigating various congestion control algorithms to be adopted for adaptive rate video multipath transport layer
- TCP Westwood, VTP, TFRC, etc
- Investigating multipath transport solutions (MPTCP in particular) and impact of multipath on the TCP performance
- Designing congestion control and traffic management algorithms for multipath video and generic data transport
- Simulating the algorithms in Omnet++ environment using C/C++
- Investigating and adopting forward error correction algorithms for adaptive rate video transport layer
- The algorithms included Reed-Solomon, Raptor and Raptor-Q
- Implementing Raptor RFC 5053 in C++ for a prototype product
- Investigating Reed-Solomon erasure coding and implementation of the algorithm in Matlab (Octave)
Protocol Design Advisor
MOBILICOM LTD.
01.2014 - 01.2015
- Designing scheduled centrally coordinated Medium Access Control for a novel mobile Ad-Hoc network
- Designing integration of the Ad-Hoc MAC solution with Mobile IP to provide global mobility solution
- A patent application has been filed
System Engineering Consultant
AMOS BY SPACECOM LTD.
02.2013 - 09.2013
- Investigating and evaluating the perspective satellite internet service solution
- The functionality of the solution included Carrier Grade NAT, Data Compression, TCP Acceleration Proxy, Traffic Shaping and Scheduling, QoS, Multicast Networking
- Creating Network and Software Architecture documents for the solution
- Devising comprehensive Acceptance Test Procedure and Acceptance Test Lab architecture
- The Test Lab Architecture solution includes Virtualized Satellite CPE environment to enable large scale satellite network testing
- Evaluating Network Emulators and L4-L7 Traffic Load Generators/Analyzers available from the test equipment vendors
- Creating detailed Acceptance Test Plan document
Senior Network Architect
Siklu Communication LTD.
01.2008 - 01.2013
- Researching RAN architectures and protocols according to various cellular standards (UMTS, LTE, CDMA-2000, HRPD, WiMAX, etc.) and deriving networking functional requirements for the Siklu gigabit microwave backhaul link product
- Producing the product functional description (networking part)
- This involved in depth study and adaptation of various networking standards for the Siklu product
- The standards and specifications included IEEE 802.1 specifications for Provider Bridging (802.1ad), Layer 2 Discovery (802.1AB), Connectivity Fault Management (802.1ag); ITU-T specifications for Service OAM (Y.1731), Protection Switching (G.8031/32); MEF Specifications for Bandwidth Profiling and QoS
- Specifying methods for integrating RF link adaptive modulation with standard networking QoS and protection switching signaling
- Producing the product management specification
- Developing 'zero touch' autoconfiguration process for the product
- Researching cellular backhaul related issues in Self Organizing Networking (SON) concept
- Defining signaling protocols to be deployed between cellular and backhaul network devices
- This included filing a number of patent applications
Company Representative at WiMAX Forum
Alvarion ltd.
01.1997 - 01.2008
- Participation in creating the WiMAX NWG Specifications
- Principal participation in creating the ASN Mobility related text in the NWG Specification
- Editor of the ASN Mobility Specification
- Leading a subteam focused on Data Integrity During Handover
- Leading a task group focused on Macro-Diversity Synchronization for MBS Services
Senior Network Architect, Principal Engineer
Alvarion ltd.
01.1997 - 01.2008
- Designing algorithms and protocols for the network support of the WiMAX handover mechanisms
- Control plane state, data stream, and air scheduling synchronization across multiple Base Station involved in macro diversity handover
- Designing algorithms and protocols for seamless mobility across the WiMAX mobile access networks
- Designing algorithms and protocols for synchronization of air scheduling in multiple WiMAX Base Stations involved in transmitting multicast content
- Producing requirements and system level specifications for the mobile networking functionality implementation in the Alvarion Base Stations and ASN GWs
Senior System Architect
Alvarion ltd.
01.1997 - 01.2008
- Primary responsibility for defining the network services and switching solutions for the Next Generation Base Station
- It included partial responsibility for devising the Marketing Requirements Specification and then full responsibility for System Specification of the product
- Designing on the system level the hardware and software solution for the above mentioned application based on Network Processor technology
- Research of the commercially available Network Processors and selecting the one most suitable (Motorola/C-Port C-5 DCP was chosen)
- Participation in implementation of critical parts of the software from C5-DCP microcode to high level host software (C/C++ under VxWorks on MPC7410 platform)
Software Team Manager
Alvarion ltd.
01.1997 - 01.2008
- Leading a team of up to 6 software engineers to develop software for Alvarion’s integrated (voice and data) network access solution
Software Engineer
breezecom ltd.
01.1995 - 01.1997
- Designing real time software for wireless bridge with IEEE 802.3 and 802.11 interfaces
Software Engineer
telrad ltd.
01.1991 - 01.1995
- Designing real time software for Nortel’s cellular and landline telephone switches (MTX-100 and DMS-100)
- Designing software for call process, mobile call process, switch maintenance
Education
Master of Science - Automation Technology
Rigas Tehniska Universitate
Patents
The descriptions of the patents can be found on Google Patents, https://patents.google.com/?inventor=shousterman&oq=shousterman
Timeline
Systems Engineer
cymotive Technologies LTD.
06.2017 - Current
Protocol Design Advisor
MOBILICOM LTD.
01.2014 - 01.2015
Technical Leader — System Architecture & Algorithms
liveu LTD.
06.2013 - 06.2017
System Engineering Consultant
AMOS BY SPACECOM LTD.
02.2013 - 09.2013
Senior Network Architect
Siklu Communication LTD.
01.2008 - 01.2013
Company Representative at WiMAX Forum
Alvarion ltd.
01.1997 - 01.2008
Senior Network Architect, Principal Engineer
Alvarion ltd.
01.1997 - 01.2008
Senior System Architect
Alvarion ltd.
01.1997 - 01.2008
Software Team Manager
Alvarion ltd.
01.1997 - 01.2008
Software Engineer
breezecom ltd.
01.1995 - 01.1997
Software Engineer
telrad ltd.
01.1991 - 01.1995
Master of Science - Automation Technology
Rigas Tehniska Universitate
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