DENOG16

Thomas Weible

Thomas Weible is the creative brain of FLEXOPTIX. A real rebel who dreams up innovations such as the FLEXBOX. He dives deep into the inner life of optics and loves experimenting on real-life problems with our customers. For more than 16 years he has been part of the internet community and has specialized in optical networking.


Sessions

11-17
10:00
300min
Network Fundamentals: OSI layers, optical transmission and transceiver technologies
Rene Fichtmueller, Thomas Weible

Abstract:
Fundamentals and Layer 1 (Physical Layer)
Introduction to the OSI model: history, purpose and overview of the 7 layers.
Layer 1 - Physical Layer:
Fundamentals of signal transmission
Cable types and network hardware
Transceiver technologies:
Form factors (e.g. SFP, QSFP)
Transceiver selection criteria
Compatibility and performance issues
Coherent
Dense Wavelength Division Multiplexing (DWDM): Technology, application and benefits
Coarse Wavelength Division Multiplexing (CWDM): Differences from DWDM, applications

Workshop 14
11-18
17:30
30min
Analyzing network reliability up to 800G - Impact of SNR thresholds on BER for Coherent (16QAM) and Non-Coherent (PAM4) high speed transceivers under environmental variations
Dr. Gerhard Stein, Thomas Weible

This presentation investigates the proximity to a low Signal-to-Noise Ratio (SNR) threshold that can still maintain a tolerable Bit Error Rate (BER) in 100G / 400G / 800G network links. Additionally, we account for factors such as temperature and cable length to predict the duration for which a reliable network connection can be sustained between transceivers. The analysis, based on data retrieved using a Flexbox, focuses on comparing the reliability of coherent (16QAM) and non-coherent (PAM4) transceivers, with a detailed discussion on the implications of these technologies on network performance. For a better understanding of the correlation between these factors, Machine Learning techniques were used.

Auditorium