@misc {43286,
	title = {Challenges on Working with DNS Data (abstract)},
	howpublished = {https://ant.isi.edu/events/dinr2023/program.html},
	year = {2023},
	author = {Arouna, Alfred and Jonker, Mattijs and Livadariu, Ioana}
}
@inproceedings {43299,
	title = {How Large Is the Gap? Exploring MANRS and ISO27001 Security Management},
	journal = {The 31st International Conference on Software, Telecommunications and Computer Networks (SoftCOM 2023) },
	year = {2023},
	publisher = {IEEE},
	address = {Split, Croatia},
	abstract = {Ensuring security of network traffic between op- erators is very important. This paper aims to enhance un- derstanding of the relationship between two crucial internet security standards, namely, Mutual Agreed Norms for Rout- ing Security (MANRS) and ISO/IEC 27001 (ISO27001). By examining the correlation between MANRS participation and ISO27001 certification, this study provides insightful analysis. To validate compliance, data from diverse sources such as CAIDA, PeeringDB, and RPKI is correlated. We assess ISO27001 controls that bear relevance to MANRS compliance and illustrate how implementing either framework leads to a reduced risk of security breaches. Moreover, a cost analysis reveals that the simultaneous implementation of MANRS and ISO27001 does not significantly increase costs or complexity.},
	keywords = {ISO27001, MANRS, risk analysis},
	author = {Jan Marius {Evang} and Livadariu, Ioana}
}
@inproceedings {43268,
	title = {Longitudinal Analysis of Inter-City Network Delays},
	journal = {Network Traffic Measurement and Analysis Conference (TMA)},
	year = {2023},
	publisher = {IEEE/IFIP},
	abstract = {During the last decades, public and private investments contributed to building the Internet infrastructure, including undersea cables, long-distance fiber links, broadband networks, and satellite constellations to reduce end-to-end delay. However, a systematic longitudinal analysis of end-to-end network delays between major city pairs is still missing. In this study, we measure the inter-city delays over the last six years, considering 17 major metropolitan areas around the globe. Our analysis shows that the delay for 88\% of city pairs end-to-end delay has decreased. Moreover, we study delay changes for regional and long-haul (intercontinental) pairs. Our analysis shows that end-to-end delay has decreased for 80\% and 55\% of city pairs in Europe and North America, respectively. Our study also shows that despite the overall decrease in inter-city delays, global phenomena, e.g., the COVID-19 pandemic, profoundly impact many inter-city connections simultaneously while not affecting others.\&nbsp;},
	keywords = {big network data analysis, Internet measurements, longitudinal analysis, RTT delay},
	author = {Ozcan, Selim and Livadariu, Ioana and Smaragdakis, Georgios and Griwodz, Carsten}
}
@misc {43285,
	title = {On Unifying Diverse DNS Data Sources},
	year = {2022},
	address = {22nd ACM Internet Measurement Conference (IMC {\textquoteright}22),},
	abstract = {The DNS maps human-readable identifiers to computer-friendly identifiers and relies on a reverse tree architecture to achieve this mapping. Backed by economic incentives, the DNS has become increasingly complex with data being shared among multiple au- tonomous stakeholders. The diversity of autonomous stakeholders limits data collection, access and sharing to researchers. For in- stance, each of stakeholder controls limited parts of the DNS space, thereby limiting analysis of real-world DNS behaviour. We aim to design and develop a software framework to unify diverse and large-scale public DNS data sources. The platform will facilitate the access to public DNS data by providing an efficient way of processing and analyzing large amounts of distributed data regard- less of the DNS data format. Thus, the framework will help enable reproducibility in DNS studies.},
	isbn = {978-1-4503-9259-4/22/10},
	doi = {https://doi.org/10.1145/3517745.3563022},
	author = {Arouna, Alfred and Jonker, Mattijs and Livadariu, Ioana}
}
@misc {42745,
	title = {A decade of evolution in telecommunications infrastructure},
	howpublished = {Poster: A decade of evolution in telecommunications infrastructure},
	year = {2021},
	month = {10/2021},
	publisher = {IMC },
	type = {Internet measurements},
	address = {IMC 21},
	abstract = {Characterizing countries{\textquoteright} standing in terms of the maturity of their telecommunications infrastructure is paramount to inform policy and investments. Here, we use a broad set of features to group countries according to the state of their infrastructures and track how this has changed between 2010 and 2020. While a few nations continue to dominate, the membership of this club has changed with several European countries leaving},
	author = {Azan Latif {Khanyari}},
	editor = {Livadariu, Ioana and Elmokashfi, Ahmed and Bryhni, Haakon}
}
@article {42923,
	title = {A Multi-Perspective Study of Internet Performance during the COVID-19 Outbreak},
	journal = {Arxiv},
	year = {2021},
	publisher = {Arxiv},
	address = {Arrxiv.org},
	keywords = {COVID, Internet, network},
	doi = { https://doi.org/10.48550/arXiv.2101.05030},
	author = {Elmokashfi, Ahmed and Arouna, Alfred and Livadariu, Ioana and Fida, Mah-rukh and Kvalbein, Amund and Anas Saeed {Al-Selwi} and Dreibholz, Thomas and Bryhni, Haakon}
}
@inproceedings {ANRW2020,
	title = {On the Accuracy of Country-Level IP Geolocation},
	journal = {Applied Networking Research Workshop (ANRW)},
	year = {2020},
	month = {07/2020},
	publisher = {ACM},
	address = {Madrid/Spain},
	abstract = {The proliferation of online services comprised of globally spread microservices has security and performance implications. Understanding the underlying physical paths connecting end points has become important. This paper investigates the accuracy of commonly used IP geolocation approaches in geolocating end-to-end IP paths. To this end, we perform a controlled measurement study to collect IP level paths. We find that existing databases tend to geolocate IPs that belong to networks with global presence and those move between networks erroneously. A small percentage of IP geolocation disagreement between databases results in a significant disagreement when geolocating end-to-end paths. Geolocating one week of RIPE traceroute data validates our observations.},
	keywords = {Geolocation Approaches, Geolocation Databases, IP Geolocation},
	isbn = {978-1-4503-8039-3},
	doi = {10.1145/3404868.3406664},
	author = {Livadariu, Ioana and Dreibholz, Thomas and Anas Saeed {Al-Selwi} and Bryhni, Haakon and Lysne, Olav and Bj{\o}rnstad, Steinar and Elmokashfi, Ahmed}
}
@inproceedings {27456,
	title = {An agent-based model of IPv6 adoption},
	journal = {IFIP Networking Conference (Networking)},
	year = {2020},
	pages = {361-369},
	publisher = { IEEE},
	abstract = {Despite having been proposed more than 20 years ago, IPv6 deployment has been very slow. The imminent depletion of IPv4 address space has recently motivated stakeholders to actively promote IPv6. These efforts, however, have only led to a relatively modest increase in the overall uptake. This outcome is expected given the complexity of the adoption landscape and the involved economic intricacies. Aiming to offer better insights into this process, we present the first data driven computational cost centric model of IPv6 adoption. Our model is grounded in empirical data yet parsimonious that is it focuses only on factors that are key to the modelled transition. We validate our model using historical snapshots of addresses allocations and then use it to explore a set of what if scenarios. Our findings paint a bleak picture for IPv6 adoption, predicting it to be decades away.},
	url = {https://ieeexplore.ieee.org/document/9142758},
	author = {Livadariu, Ioana and Elmokashfi, Ahmed and Dhamdhere, Amogh}
}
@inproceedings {27455,
	title = {A first look at the misuse and abuse of the IPv4 Transfer Market},
	journal = {International Conference on Passive and Active Network Measurement (PAM)},
	year = {2020},
	pages = {88-103},
	publisher = { Springer},
	abstract = {The depletion of the unallocated IPv4 addresses and the slowpace of IPv6 deployment have given rise to the IPv4 transfer market, the trading of allocated IPv4 prefixes between organizations. Despite the policies established by RIRs to regulate the IPv4 transfer market, IPv4 transfers pose an opportunity for malicious networks, such as spammers and bulletproof ASes, to bypass reputational penalties by obtaining{\textquotedblleft}clean{\textquotedblright} IPv4 address space or by offloading blacklisted addresses. Addi-tionally, IP transfers create a window of uncertainty about the legitimateownership of prefixes, which leads to inconsistencies in WHOIS recordsand routing advertisements. In this paper we provide the first detailed study of how transferred IPv4 prefixes are misused in the wild, by synthesizing an array of longitudinal IP blacklists, honeypot data, and AS reputation lists. Our findings yield evidence that transferred IPv4 addressblocks are used by malicious networks to address botnets and fraudulentsites in much higher rates compared to non-transferred addresses, while the timing of the attacks indicate efforts to evade filtering mechanisms.},
	keywords = {BGP, Blacklists., IPv4 transfers, Routing},
	doi = {https://doi.org/10.1007/978-3-030-44081-7_6},
	author = {Giotsas, Vasileios and Livadariu, Ioana and Gigis, Petros}
}
@misc {43048,
	title = {How accurate are IP geolocation services?},
	year = {2020},
	publisher = {APNIC blog},
	url = {https://blog.apnic.net/2020/09/15/how-accurate-are-ip-geolocation-services/},
	author = {Livadariu, Ioana and Elmokashfi, Ahmed}
}
@phdthesis {27219,
	title = {Monitoring and Understanding Ipv6 Adoption},
	volume = {PhD},
	year = {2019},
	school = {Department of Informatics, University of Oslo},
	author = {Livadariu, Ioana}
}
@inproceedings {25999,
	title = {Inferring carrier-grade NAT deployment in the wild},
	journal = {IEEE Conference on Computer Communications (INFOCOM)},
	year = {2018},
	publisher = {IEEE},
	author = {Livadariu, Ioana and Benson, Karyn and Elmokashfi, Ahmed and Dainotti, Alberto and Dhamdhere, Amogh}
}
@article {25541,
	title = {On IPv4 transfer markets: Analyzing reported transfers and inferring transfers in the wild},
	journal = {Computer Communications},
	volume = {111},
	year = {2017},
	pages = {105-119},
	publisher = {Elsevier},
	abstract = {IPv4 Transfer Markets have recently emerged as a mechanism for prolonging the usability of IPv4 address space. They facilitate the trading of IPv4 address space, which constitutes a radical shift transforming IPv4 addresses from a free resource to a commodity. In this paper, we conduct a comprehensive analysis of all IPv4 transfers that are published by three regional Internet registries. We analyze the overall evolution of transfer markets, whether they lead to a healthy redistribution of IP addresses, and the interplay between transfers and IPv6 adoption. We find that, to a large extent, IPv4 transfers serve their intended purpose by moving IP blocks from those with excess to those in need - transferred address blocks appear to be routed after the transfer, the utilization of transferred blocks is greater after the transfer date and a high percentage of the transferred space comes from legacy space. We have also proposed a methodology for detecting IPv4 transfers in the wild that tracks changes in origins of IP prefixes in the global routing table. This method yields promising results, yet it produces a large number of false positives due to the noisy nature of routing data. We have investigated the cause of these false positives and verified that they can be reduced to a volume analyzable by a human operator.},
	doi = {10.1016/j.comcom.2017.07.012},
	author = {Livadariu, Ioana and Elmokashfi, Ahmed and Dhamdhere, Amogh}
}
@inproceedings {25760,
	title = {Measuring IPv6 Adoption in Africa},
	journal = {International Workshop on Internet Measurements Research in Africa - IMRA 2017 in conjunction with Africomm 2017},
	year = {2017},
	month = {12/2017},
	author = {Livadariu, Ioana and Elmokashfi, Ahmed and Dhamdhere, Amogh}
}
@inproceedings {23834,
	title = {Characterizing IPv6 control and data plane stability},
	journal = {IEEE International Conference on Computer Communications (INFOCOM)},
	year = {2016},
	author = {Livadariu, Ioana and Elmokashfi, Ahmed and Dhamdhere, Amogh}
}
@misc {25540,
	title = {On IPv4 and IPv6 Routing Stability},
	howpublished = {Workshop on Active Internet Measurements (AIMS)},
	year = {2015},
	author = {Livadariu, Ioana}
}
@inproceedings { GI2015,
	title = {Leveraging the IPv4/IPv6 Identity Duality by using Multi-Path Transport},
	journal = {Proceedings of the 18th IEEE Global Internet Symposium~(GI)},
	year = {2015},
	month = {05/2015},
	address = {Hong Kong/People{\textquoteright}s Republic of China},
	abstract = {With the 20th anniversary of IPv6 nearing quickly, a growing number of Internet service providers (ISPs) now offer their customers both IPv6 and IPv4 connectivity. This makes multi-homing with IPv4 and IPv6 increasingly common even with just a single ISP connection. Furthermore, the growing popularity of multi-path transport, especially Multi-path TCP (MPTCP) that is the extension of the well-known Transmission Control Protocol (TCP), leads to the question of whether this identity duality can be utilized for improving application performance in addition to providing resilience. In this paper, we first investigate the AS-level congruency of IPv4 and IPv6 paths in the Internet. We find that more than 60\% of the current IPv4 and IPv6 AS-paths are non-congruent at the AS-level, which motivates us to explore how MPTCP can utilize the IPv4/IPv6 identity duality to improve data transfer performance. Our results show that MPTCP, even with a single dual-stack Internet connection, can significantly improve the end-to-end performance when the underlying paths are non-congruent. The extent of the improvement can reach up to the aggregate of the IPv4 and IPv6 bandwidth.},
	keywords = {Identity Duality, Internet Paths, IPv4, IPv6, Routing},
	author = {Livadariu, Ioana and Ferlin, Simone and Alay, {\"O}zg{\"u} and Dreibholz, Thomas and Dhamdhere, Amogh and Elmokashfi, Ahmed}
}
@misc {23702,
	title = {MPTCP Experiences in the NorNet Testbed},
	year = {2015},
	address = {https://tools.ietf.org/html/draft-dreibholz-mptcp-nornet-experience-01},
	abstract = {This document collects some experiences of Multi-Path TCP (MPTCP) evaluations in the NorNet testbed.
},
	author = {Dreibholz, Thomas and Ferlin, Simone and Alay, {\"O}zg{\"u} and Elmokashfi, Ahmed and Livadariu, Ioana}
}
@misc {Simula.simula.2942,
	title = {Leveraging IPv4 and IPv6 Multi-Connectivity},
	howpublished = {Proceedings of the 2nd International NorNet Users Workshop (NNUW-2)},
	year = {2014},
	month = {August},
	keywords = {Workshop},
	author = {Livadariu, Ioana}
}
@inproceedings {Simula.simula.2120,
	title = {A First Look at IPv4 Transfer Markets},
	journal = {CoNEXT 2013},
	year = {2013},
	month = {December},
	pages = {7-12},
	publisher = {ACM SIGCOMM},
	type = {Conference},
	abstract = {In February 2011 the Internet Assigned Numbers Authority (IANA) exhausted its free pool of IPv4 addresses, and the regional registries (RIRs) have started to run out of IPv4 addresses as well. As RIRs have started rationing allocations, IPv4 transfer markets have emerged as a new mechanism to acquire IPv4 addresses. Barring a few high-profile exceptions, IPv4 transfers have largely flown under the radar. In this work, we use the lists of transfers published by three RIRs to characterize the transfer market - the types of players involved, the sizes and characteristics of transferred address blocks, and visible effects on the routing table. Next, we take first steps toward detecting address transfers using BGP data from the Routeviews and RIPE repositories from 2004-2013. We identify reasons why legitimate changes in prefix origin could be confused as transfers, and implement a series of 10 filters that remove 86\% of candidate transfers. We find the remaining number of inferred transfers is increasing over time. We could confirm few (0.16\%) of these transfers using RIR-published transfer lists; while our inference methodology undoubtedly yields false positives, a black market for IPv4 transfers may exist as well.},
	keywords = {Conference},
	isbn = {978-1-4503-2101-3},
	author = {Livadariu, Ioana and Elmokashfi, Ahmed and Dhamdhere, Amogh and Claffy, Kc},
	editor = {Papagiannaki, Dina and Misra, Vishal}
}
@inproceedings {livadariu2018inferring,
	title = {Inferring carrier-grade NAT deployment in the wild},
	journal = {IEEE Conference on Computer Communications (INFOCOM)},
	author = {Livadariu, Ioana and Benson, Karyn and Elmokashfi, Ahmed and Dainotti, A and Dhamdhere, A}
}
@inproceedings {livadariu2018inferring,
	title = {Inferring carrier-grade NAT deployment in the wild},
	journal = {IEEE Conference on Computer Communications (INFOCOM)},
	author = {Livadariu, Ioana and Benson, Karyn and Elmokashfi, Ahmed and Dainotti, Alberto and Dhamdhere, Amogh}
}
