My research activity is focused on the broad area of telecommunication networks, with an emphasis on optical networking. Ongoing work is concentrated on the following areas:
- Machine-Learning-assisted networking
- 5G, Centralized Radio Access Networks (C-RAN), and Network Function Virtualization (NFV)
- Optical networks architectures
- Network resilience and survivability
Below, you can find more details for the ongoing activities on the various topics, with some suggested readings. MSc theses are currently available for each of these topics.
Do not hesitate to contact me for further details!
1) Machine-Learning-assisted networking
Today’s telecommunication networks are sources of enormous amounts of widely heterogeneous data. This information can be retrieved from network traffic traces, network alarms, signal quality indicators, users’ behavioral data, etc. Then, mathematical tools based on Machine Learning are seen as a promising candidate to efficiently address optimization, management and design of telecommunication networks with such a great availability of data. Among these applications, it is worth mentioning the followings, but many others can be devised: failure management, traffic prediction, cybersecurity and privacy preserving, traffic classification, Quality of Transmission (QoT) estimation, etc.
Suggested readings: COMST19 (survey), JLT19 (failure management), TNSM19 (ML in Routing and Wavelength Assignment), ECOC18-1 (traffic prediction), ECOC18-2 (traffic prediction), OFC18 (failure management), INFOCOM19 (traffic prediction).
2) 5G, Centralized Radio Access Networks (C-RAN), and Network Function Virtualization (NFV)
5G networking represents a revolutionary concept of mobile access as it targets unprecedented performance, not only in terms of higher data rates per user, but also in terms of extremely-low latency, network automation and service capillarity.
To achieve this, 5G networks will resort to new technical solutions, including, e.g., small cell deployment, multipoint coordination (CoMP), Centralized Radio Access Network (C-RAN), content caching (e.g., for Video-on-Demand – VoD – delivery), Network Function Virtualization (NFV) and Software-Defined-Networks (SDN).
3) Optical networks architectures
Optical networks constitute the basic physical infrastructure of all large-provider networks worldwide, thanks to their high capacity, low cost and flexibility. Due to the high increase in the amounts of transported data, network operators are urged to devise efficient technical solutions to increase network capacity and improve its performance, while keeping costs under control, in terms of capital expenditures (Capex) and operational expenditure (Opex).
Here my work focuses on filterless optical networks, optimized optical amplifier placement, and energy-efficient network architectures.
4) Network resilience and survivability
Disaster-based disruptions seriously degrading the performance of any communication network (e.g., due to natural disasters, technology-related disasters, or even malicious attacks) are now gaining importance due to observed increase of their intensity and scale. In presence of disasters, the unavailability of communication networks services, considered as an important part of the critical infrastructure in our society, implies evident societal problems, e.g., for people desperately seeking for information, or trying to communicate with each other. For these reasons, providing high resilience and availability to current communication networks is a key reaserch aspect nowadays.