activity
20122023
most citedThe Lockdown Effect: Implications of the COVID-19 Pandemic on Internet Traffic

187 citations · 306 across the 17 of their papers we have counts for

collaborators

19 papers

cs.NI2023

Pushing Alias Resolution to the Limit

Taha Albakour, Oliver Gasser, Georgios Smaragdakis

In this paper, we show that utilizing multiple protocols offers a unique opportunity to improve IP alias resolution and dual-stack inference substantially. Our key observation is t…

cs.NI2023

Illuminating Router Vendor Diversity Within Providers and Along Network Paths

Taha Albakour, Oliver Gasser, Robert Beverly +1

The Internet architecture has facilitated a multi-party, distributed, and heterogeneous physical infrastructure where routers from different vendors connect and inter-operate via I…

cs.NI2022★ 22 cited

Deep Dive into the IoT Backend Ecosystem

Said Jawad Saidi, Srdjan Matic, Oliver Gasser +2

Internet of Things (IoT) devices are becoming increasingly ubiquitous, e.g., at home, in enterprise environments, and in production lines. To support the advanced functionalities o…

cs.CR2022★ 7 cited

A Tale of Two Markets: Investigating the Ransomware Payments Economy

Kris Oosthoek, Jack Cable, Georgios Smaragdakis

Ransomware attacks are among the most severe cyber threats. They have made headlines in recent years by threatening the operation of governments, critical infrastructure, and corpo…

cs.CR2022

One Bad Apple Can Spoil Your IPv6 Privacy

Said Jawad Saidi, Oliver Gasser, Georgios Smaragdakis

IPv6 is being more and more adopted, in part to facilitate the millions of smart devices that have already been installed at home. Unfortunately, we find that the privacy of a subs…

cs.CR2022★ 16 cited

Securing Federated Sensitive Topic Classification against Poisoning Attacks

Tianyue Chu, Alvaro Garcia-Recuero, Costas Iordanou +2

We present a Federated Learning (FL) based solution for building a distributed classifier capable of detecting URLs containing GDPR-sensitive content related to categories such as…

cs.NI2021

AS-Level BGP Community Usage Classification

Thomas Krenc, Robert Beverly, Georgios Smaragdakis

BGP communities are a popular mechanism used by network operators for traffic engineering, blackholing, and to realize network policies and business strategies. In recent years, ma…

cs.NI2021

Third Time's Not a Charm: Exploiting SNMPv3 for Router Fingerprinting

Taha Albakour, Oliver Gasser, Robert Beverly +1

In this paper, we show that adoption of the SNMPv3 network management protocol standard offers a unique -- but likely unintended -- opportunity for remotely fingerprinting network…

cs.NI2020

Keep your Communities Clean: Exploring the Routing Message Impact of BGP Communities

Thomas Krenc, Robert Beverly, Georgios Smaragdakis

BGP communities are widely used to tag prefix aggregates for policy, traffic engineering, and inter-AS signaling. Because individual ASes define their own community semantics, many…

cs.NI2020★ 8 cited

Exploring Network-Wide Flow Data with Flowyager

Said Jawad Saidi, Aniss Maghsoudlou, Damien Foucard +3

Many network operations, ranging from attack investigation and mitigation to traffic management, require answering network-wide flow queries in seconds. Although flow records are c…

cs.NI2020★ 5 cited

A Haystack Full of Needles: Scalable Detection of IoT Devices in the Wild

Said Jawad Saidi, Anna Maria Mandalari, Roman Kolcun +5

Consumer Internet of Things (IoT) devices are extremely popular, providing users with rich and diverse functionalities, from voice assistants to home appliances. These functionalit…

cs.NI2020★ 187 cited

The Lockdown Effect: Implications of the COVID-19 Pandemic on Internet Traffic

Anja Feldmann, Oliver Gasser, Franziska Lichtblau +9

Due to the COVID-19 pandemic, many governments imposed lock downs that forced hundreds of millions of citizens to stay at home. The implementation of confinement measures increased…

cs.SE2020★ 2 cited

Towards Runtime Verification of Programmable Switches

Apoorv Shukla, Kevin Hudemann, Zsolt Vági +5

Is it possible to patch software bugs in P4 programs without human involvement? We show that this is partially possible in many cases due to advances in software testing and the st…

cs.CR2019★ 2 cited

Who's Tracking Sensitive Domains?

Costas Iordanou, Georgios Smaragdakis, Nikolaos Laoutaris

We turn our attention to the elephant in the room of data protection, which is none other than the simple and obvious question: "Who's tracking sensitive domains?". Despite a fast-…

cs.NI2019★ 1 cited

The Dagstuhl Beginners Guide to Reproducibility for Experimental Networking Research

Vaibhav Bajpai, Anna Brunstrom, Anja Feldmann +6

Reproducibility is one of the key characteristics of good science, but hard to achieve for experimental disciplines like Internet measurements and networked systems. This guide pro…

cs.NI2016★ 39 cited

Beyond Counting: New Perspectives on the Active IPv4 Address Space

Philipp Richter, Georgios Smaragdakis, David Plonka +1

In this study, we report on techniques and analyses that enable us to capture Internet-wide activity at individual IP address-level granularity by relying on server logs of a large…

cs.NI2014

Opportunities in a Federated Cloud Marketplace

Hamed Haddadi, Georgios Smaragdakis, K. K. Ramakrishnan

Recent measurement studies show that there are massively distributed hosting and computing infrastructures deployed in the Internet. Such infrastructures include large data centers…

cs.NI2013★ 17 cited

On the importance of Internet eXchange Points for today's Internet ecosystem

Nikolaos Chatzis, Georgios Smaragdakis, Anja Feldmann

Internet eXchange Points (IXPs) are generally considered to be the successors of the four Network Access Points that were mandated as part of the decommissioning of the NSFNET in 1…

cs.NI2012

Content-aware Traffic Engineering

Benjamin Frank, Ingmar Poese, Georgios Smaragdakis +2

Today, a large fraction of Internet traffic is originated by Content Providers (CPs) such as content distribution networks and hyper-giants. To cope with the increasing demand for…