Double tap at SAC'25

11 December 2024, by Mathias Fischer

Photo: https://www.sigapp.org/sac/sac2025/

Double tap at the 40th ACM/SIGAPP Symposium On Applied Computing (SAC 2025)! We congratulate Heiko and Kevin for their listed works accepted to the conference:

• "A Software-Defined Overlay Networking Middleware for a Simplified Deployment of Distributed Application at the Edge"
• "Unlinkable Data Sharing with Dynamic Access Control"

We look forward to presenting our findings at the conference in Catania, Italy (March 31 - April 4, 2025) and seek an exchange with international researchers.

Abstract – A Software-Defined Overlay Networking Middleware for a Simplified Deployment of Distributed Application at the Edge:

The demand for low latency, bandwidth efficiency, and privacy has driven distributed applications to the network edge, where heterogeneous, untrusted networks pose unique challenges.
This paper presents a software-defined overlay networking (SDON) middleware that simplifies edge application development through centralized control of edge resources while addressing these challenges.
SDON enables applications to specify high-level requirements, such as topology, communication goals, and service placement, which are translated into device-specific configurations and enforced on edge devices.
The middleware is implemented as fully functional software, published as open-source, and will be evaluated in multiple edge computing use cases to demonstrate its resource optimization potential in different scenarios.

Abstract – Unlinkable Data Sharing with Dynamic Access Control:

In an increasingly information-driven society, the volume of digital footprints left by individuals has surged significantly. Safeguarding the anonymity of data generated by computing devices is becoming more challenging as these offer deep insights into personal behaviors.
We propose a user-centric and privacy-preserving data space for unlinkable data sharing based on a central intermediary.
By integrating differential privacy techniques with fine-grained access control, our system allows data providers to store their data confidentially and unlinkable at the intermediary. Data consumers can then locate and request data via this intermediary, ensuring that data providers remain informed without revealing the origin of the data. Additionally, the intermediary facilitates continuous data sharing, requiring only a single data upload.
Our approach is designed to protect data providers from both external and internal attackers, as well as from an honest-but-curious intermediary.