Quantum Key Distribution (QKD) is currently being explored as a solution to the threats posed current cryptographic protocols by evolution of quantum computers and algorithms. However, single-photon signals used for QKD permit achieve key rates strongly limited link performance (e.g., loss noise) propagation distance, especially in multi-node networks, making it necessary design scheme efficiently timely distribute keys various nodes. In this work, we introduce new problem joint Routing,...

In large-scale emergency scenarios, massive content for searching, asking help, and rescue will be generated transmitted in intelligent Internet of vehicular things (IIoVT). However, IP-networks-based systems make decisions on remote centers, leading to inefficient dissemination a high-latency response. Moreover, few previous works address trust issues the systems, resulting fake malicious services. To abovementioned challenges, we propose an emergent semantic-based information-centric fog...

In presence of multiple failures affecting their network infrastructure, operators are faced with the Progressive Network Recovery (PNR) problem, i.e., deciding best sequence repairs during recovery. With incoming deployments 5G networks, PNR must evolve to incorporate new recovery opportunities offered by slicing. this study, we introduce problem Slice (PSR), which is addressed eight different strategies, allowing or not change slice embedding recovery, and/or enforcing versions...

We quantitatively evaluate disruption of services under pre-planned power outages in optical networks. Considering batteries for bypassing and re-routing, the rejection rate is reduced by 33% with less than 1% service degradation.

With progressive network recovery, operators restore connectivity after massive failures along multiple stages, by identifying the optimal sequence of repair actions to maximize carried live traffic. Motivated initial deployments quantum-key-distribution (QKD) over optical networks appearing in several locations worldwide, this work we model and solve QKD recovery (PQNR) problem accelerate failures. We formulate an integer linear programming (ILP) optimize achievable accumulative key rates...

Quantum Key Distribution (QKD) is a recent technology for secure distribution of symmetric keys, which currently being deployed to increase communications security against quantum attacks. However, the key rate achievable over weak signal limited by link performance (e.g., loss and noise) propagation distance, especially in multi-node QKD networks, making it necessary design scheme efficiently timely distribute keys various nodes. In this work, we formulate, using Mixed Integer Linear...

Quantum Key Distribution (QKD) is a mechanism that allows two entities to agree on secret key over quantum channel. Recently, commercially viable QKD technology appeared the market and European Telecommunications Standards Institute (ETSI) established working group standardize for commercial applications. Several testbeds pre-commercial networks are being deployed in world, all requiring sophisticated control mechanisms enable exchanges between non-adjacent nodes remote In this paper, we...

Current and next-generation networks are threatened by emerging attacks from quantum computers. To protect these services against threat, key distribution (QKD) using optical is being investigated tested as a safe countermeasure to provide information-theoretic security. Although recent studies confirm the feasibility of QKD over networks, two main technical challenges, among others, remain unaddressed: limited rate generating keys requires efficient secure numerous applications, requests...

Although the ways to protect vehicular location privacy have been actively studied in recent years, locations of vehicles are frequently submitted for authentication during accessing location-based services (LBS), which makes it easier attackers launch attacks by threaten vehicles. Moreover, rapid deployment electric requires privacy-preserving be more energy-efficient. In this paper, we proposed a novel energy-efficient preserving (ELPP) scheme networks using social intimate fogs (SIFs)....

Operators are constantly faced with the need to increase optical-network capacity accommodate rapid traffic growth while minimizing cost-per-bit and power-per-bit. The drastic reduction of power consumption IP routers ZR/ZR+ pluggable transponders seen in last years has renewed interest "opaque" architectures, where no optical bypassing is allowed. In this work, we aim quantify compare four "IP over Wavelength Division Multiplexing" (IPoWDM) transport network architectures employing modules...

We evaluate the resource efficiency of Mode Group Division Multiplexing (MGDM) with shared path protection (SPP) in optical networks. On our case studies, SPP MGDM obtains significant savings terms both additional backup spectrum occupation and MIMO-computing resources compared to other few-mode-transmission scenarios.

Many emerging Artificial Intelligence (AI) applications require on-demand provisioning of large-scale computing, which can only be enabled by leveraging distributed computing services interconnected through networking. To address such increasing demand for networking to serve AI tasks, we investigate new scheduling strategies improve communication efficiency and test them on a programmable testbed. We also show relevant challenges research directions.

Many emerging Artificial Intelligence (AI) applications require on-demand provisioning of large-scale computing, which can only be enabled by leveraging distributed computing services interconnected through networking. To address such increasing demand for networking to serve AI tasks, we investigate new scheduling strategies improve communication efficiency and test them on a programmable testbed. We also show relevant challenges research directions.

Network monitoring is essential to collect compre-hensive data on signal quality in optical networks. As deploying large amounts of equipment results elevated cost and power consumption, novel low-cost methods are continuously being investigated. A new technique called Power Profile Monitoring (PPM) has recently gained traction thanks its ability monitor an entire lightpath using a single post-processing unit at the receiver. PPM does not require deploy individual for each span, as...

Quantum networks, with applications like Key Distribution (QKD), are gaining significant attention. However, their implementation faces challenges due to low entanglement generation success rates and quantum decoherence. Recent technology advancements have extended memory lifetimes one minute, termed cutoff, opening new opportunities for routing. We propose the Adaptive Entanglement Routing (AER) algorithm, which optimizes resource utilization improve probability of serving ultimately reduce...

We quantitatively evaluate resource efficiency enabled by mode-group-division multiplexing (MGDM) and light-trail (LT) in optical metro networks. Combining MGDM with LT reduces 95% of MIMO complexity Full-MIMO only 11% additional spectrum occupation.

Progressive network recovery is the problem arising when a subject to massive failures and operator has identify optimal sequence of repair actions maximize carried traffic. As initial deployments quantum-key-distribution (QKD) over optical networks start appearing in several locations worldwide, this paper, for first time, we model solve QKD Network (PQNR) accelerate after failures. Specifically, formulate an Integer Linear Programming (ILP) achievable key rate different architectures (w/o...