A Multi-Tenant System for 5/6G Testbed as-a-Service

2023 15th International Conference on COMmunication Systems & NETworkS (COMSNETS)
In order to fulfill the stringent requirements and fast advancements of 5G and beyond applications, it is inevitable to develop research/industrial testbeds to examine the different proposed innovative features of 5G and beyond. In this paper, we propose a testbed including 5G and beyond…

Innovative security and compression for constrained IoT networks

2023 Internet of Things, 24
Low-Power Wide-Area Networks (LPWAN) are a type of wireless communication technologies that enable efficient data transfer between low-power devices. This article explores the challenges of ensuring security in LPWANs and proposes a solution that combines two key mechanisms: Object Security for…

Intelligent and Resource-Conserving Service Function Chain (SFC) Embedding

2023 Journal of Network and Systems Management
Network Function Virtualization (NFV) opens us great opportunities for network processing with higher resource efficiency and flexibility. In this respect, there is an increasing need for intelligent orchestration mechanisms, such that NFV can exploit its potential and live up to its promise.…

Unsupervised Deep Learning for Distributed Service Function Chain Embedding

2023 IEEE Access
Network Function Virtualization (NFV) has paved the way for the migration of Virtual Network Functions (VNFs) into multi-tenant datacenters, lowering the barrier for the introduction of new processing functionality into the network. Recent trends for resource orchestration across the entire compute…

Deterministic and Probabilistic P4-Enabled Lightweight In-Band Network Telemetry

2023 IEEE Transactions on Network and Service Management
In-band network telemetry (INT), empowered by programmable dataplanes such as P4, comprises a viable approach to network monitoring and telemetry analysis. However, P4-INT as well as other existing frameworks for INT yield a substantial transmission overhead, which grows linearly with the number of…

Intent-driven Distributed Applications Management over Compute and Network Resources in the Computing Continuum

2023 - IEEE DCOSS-IoT 2023 (4th International Workshop on Real-life modeling in 5G/6G networks and beyond)
Intent-driven orchestration enables organizations to achieve greater automation, integration, and intelligence of their compute and network resources by defining their objectives and policies in a more abstract and holistic way, while letting the orchestration system handle the coordination,…

A Lightweight Software Stack for IoT Interoperability within the Computing Continuum

2023 - IEEE DCOSS-IoT 2023 (5th International Workshop on Intelligent Systems for the Internet of Things)
With the rapid advancement in the next-generation Internet of Things (IoT) and the ever-expanding virtual representation of devices, novel techniques and definitions are key to accommodate emerging paradigms to transform our world. In the quest of achieving the coveted convergence of IoT…

IRIS: Interference and Resource Aware Predictive Orchestration for ML Inference Serving

2023 - IEEE Cloud (International Conference on Cloud Computing)
(THIS PAPER RECEIVED THE BEST PAPER AWARD OF 2023 IEEE CLOUD). Over the last years, the ever-growing number of Machine Learning (ML) and Artificial Intelligence (AI) applications deployed in the Cloud has led to high demands on the computing resources required for efficient processing. Multiple…

Towards the Integration of TAPRIO-based Scheduling with Centralized TSN Control

2023 3rd International Workshop on Time-Sensitive and Deterministic Networking (TENSOR 2023) – IFIP Networking 2023
Time-Sensitive Networking (TSN) aspires to provide a solid underpinning for meeting latency guarantees across traffic classes with diverse requirements. Despite the emergence of various specifications from the TSN family of standards, there is a shortage of prototype implementations with support…

On the Implications of Heterogeneous Memory Tiering on Spark In-Memory Analytics

2nd Workshop on Composable Systems (COMPSYS2023)
This study considers a multi-tier heterogeneous DRAM/NVM memory system with contrasting access latency, bandwidth and energy consumption capabilities. The paper examines the implications of heterogeneous memory tiering on Spark in-memory analytics and addresses the challenge of the growing demand…