Latency and mobility–aware service function chain placement in 5G networks

D Harutyunyan, N Shahriar, R Boutaba… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
5G networks are expected to support numerous novel services and applications with
versatile quality of service (QoS) requirements such as high data rates and low end-to-end …

Approximation algorithms for submodular data summarization with a knapsack constraint

K Han, S Cui, T Zhu, E Zhang, B Wu, Z Yin… - Proceedings of the …, 2021 - dl.acm.org
Data summarization, ie, selecting representative subsets of manageable size out of massive
data, is often modeled as a submodular optimization problem. Although there exist extensive …

Traffic-optimal virtual network function placement and migration in dynamic cloud data centers

V Tran, J Sun, B Tang, D Pan - 2022 IEEE International Parallel …, 2022 - ieeexplore.ieee.org
We propose a new algorithmic framework for traffic-optimal virtual network function (VNF)
placement and migration for policy-preserving data centers (PPDCs). As dynamic virtual …

Streaming algorithms for constrained submodular maximization

S Cui, K Han, J Tang, H Huang, X Li, Z Li - Proceedings of the ACM on …, 2022 - dl.acm.org
It is of great importance to design streaming algorithms for submodular maximization, as
many applications (eg, crowdsourcing) have large volume of data satisfying the well …

Availability Aware Online Virtual Network Function Backup in Edge Environments

Y Liu, X Shang, Y Mao, Z Liu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
With the rapid advancement of edge computing and network function virtualization, it is
promising to provide flexible and low-latency network services at the edge. However, due to …

[HTML][HTML] SFC active reconfiguration based on user mobility and resource demand prediction in dynamic IoT-MEC networks

S Guo, L Liu, T Jing, H Liu - PloS one, 2024 - journals.plos.org
To achieve secure, reliable, and scalable traffic delivery, request streams in mobile Internet
of Things (IoT) networks supporting Multi-access Edge Computing (MEC) typically need to …

Joint placement and allocation of VNF nodes with budget and capacity constraints

G Sallam, B Ji - IEEE/ACM Transactions on Networking, 2021 - ieeexplore.ieee.org
With the advent of Network Function Virtualization (NFV), network services that traditionally
run on proprietary dedicated hardware can now be realized using Virtual Network Functions …

Robust sequence submodular maximization

G Sallam, Z Zheng, J Wu, B Ji - Advances in Neural …, 2020 - proceedings.neurips.cc
Submodularity is an important property of set functions and has been extensively studied in
the literature. It models set functions that exhibit a diminishing returns property, where the …

Virtual network function reconfiguration in 5G networks: An optimization perspective

H Biallach, M Bouhtou, K Kumbria, D Nace… - …, 2024 - Wiley Online Library
One of the major challenges in managing 5G networks is the reconfiguration of network
slices. The task covers in particular reconfiguration and relocation of virtual network …

A multidimensional colored packing approach for network slicing with dedicated protection

H Lesfari, F Giroire, G Di Lena… - 2021 IEEE Global …, 2021 - ieeexplore.ieee.org
Network Function Virtualization (NFV) enables the virtualization of core-business network
functions on top of a NFV infrastructure. NFV has gained an increasing attention in the …