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View article: A genetic scheduling strategy with spatial reuse for dense wireless networks
A genetic scheduling strategy with spatial reuse for dense wireless networks Open
Novel networking technologies such as massive Internet-of-Things and 6G-and-beyond cellular networks are based on ultra-dense wireless communications. A wireless communication channel is a shared medium that demands access control, such as…
View article: Customizable Mapping of Virtualized Network Services in Multi-datacenter Environments Based on Genetic Metaheuristics
Customizable Mapping of Virtualized Network Services in Multi-datacenter Environments Based on Genetic Metaheuristics Open
One of the major challenges of the Network Functions Virtualization (NFV) paradigm is to properly deploy functions and services across the network. In particular, current solutions for multi-domain service mapping present several restricti…
View article: RIC-O: Efficient placement of a disaggregated and distributed RAN Intelligent Controller with dynamic clustering of radio nodes
RIC-O: Efficient placement of a disaggregated and distributed RAN Intelligent Controller with dynamic clustering of radio nodes Open
The Radio Access Network (RAN) is the segment of cellular networks that provides wireless connectivity to end-users. O-RAN Alliance has been transforming the RAN industry by proposing open RAN specifications and the programmable Non-Real-T…
View article: NFV-COIN: Unleashing The Power of In-Network Computing with Virtualization Technologies
NFV-COIN: Unleashing The Power of In-Network Computing with Virtualization Technologies Open
Network Functions Virtualization (NFV) allows the implementation in software of middleboxes traditionally available as specialized hardware. Network services can be implemented as SFCs (Service Function Chains) based onvirtualization techn…
View article: A Distributed System-level Diagnosis Model for the Implementation of Unreliable Failure Detectors
A Distributed System-level Diagnosis Model for the Implementation of Unreliable Failure Detectors Open
Reliable systems require effective monitoring techniques for fault identification. System-level diagnosis was originally proposed in the 1960s as a test-based approach to monitor and identify faulty components of a general system. Over the…
View article: A Holistic Approach for Locating Traffic Differentiation in the Internet
A Holistic Approach for Locating Traffic Differentiation in the Internet Open
The worldwide debate over Network Neutrality (NN) has been raging on for nearly two decades. According to NN principles, all traffic in the Internet must be treated with impartiality. In particular, unfair Traffic Differentiation (TD) is n…
View article: Beware: NAT Traversal is a Simple and Efficient Approach to Open Firewall Holes
Beware: NAT Traversal is a Simple and Efficient Approach to Open Firewall Holes Open
NAT traversal techniques allow processes with private, non-routable IP addresses to communicate with other processes outside the network secured limits. Techniques such as UDP Hole Punching have been standardized by the IETF, and using tun…
View article: Distributed mitigation of content pollution in peer‐to‐peer video streaming networks
Distributed mitigation of content pollution in peer‐to‐peer video streaming networks Open
Video streaming has become increasingly popular in the Internet. Frequently, video transmissions are based on peer‐to‐peer networks, in which peers running on end‐user hosts transmit data among themselves. An important security vulnerabili…
View article: BackStreamDB: A stream processing engine for backbone traffic monitoring with anomaly detection
BackStreamDB: A stream processing engine for backbone traffic monitoring with anomaly detection Open
BackStreamDB is distributed traffic monitoring system based on a stream processing engine (SPE) designed to monitor the traffic of wide area backbones. BackStreamDB provides arbitrary metrics about the traffic in real time, taking into acc…
View article: On the design and development of emulation platforms for NFV-based infrastructures
On the design and development of emulation platforms for NFV-based infrastructures Open
Network Functions Virtualisation (NFV) presents several advantages over traditional network architectures, such as flexibility, security, and reduced CAPEX/OPEX. In traditional middleboxes, network functions are usually executed on special…
View article: Bundling Messages to Reduce the Cost of Tree-Based Broadcast Algorithms
Bundling Messages to Reduce the Cost of Tree-Based Broadcast Algorithms Open
International audience
View article: FENDE
FENDE Open
In this demo, we present FENDE: Marketplace and Federated Ecosystem for the Distribution and Execution of Virtualized Network Functions (VNFs) and for the creation of Service Function Chains (SFCs). The FENDE ecosystem enables the distribu…
View article: Running resilient MPI applications on a Dynamic Group of Recommended Processes
Running resilient MPI applications on a Dynamic Group of Recommended Processes Open
High-performance computing systems run applications that can take several hours to execute and have to deal with the occurrence of a potentially large number of faults. Most of the existing fault-tolerant strategies for these systems assum…
View article: A Publish/Subscribe System Using Causal Broadcast over Dynamically Built Spanning Trees
A Publish/Subscribe System Using Causal Broadcast over Dynamically Built Spanning Trees Open
International audience
View article: VCube-PS: A Causal Broadcast Topic-based Publish/Subscribe System
VCube-PS: A Causal Broadcast Topic-based Publish/Subscribe System Open
In this work we present VCube-PS, a topic-based Publish/Subscribe system built on the top of a virtual hypercube-like topology. Membership information and published messages are broadcast to subscribers (members) of a topic group over dyna…
View article: A QoS-configurable failure detection service for internet applications
A QoS-configurable failure detection service for internet applications Open
International audience
View article: Network Monitoring with Imperfect Tests
Network Monitoring with Imperfect Tests Open
System-level Diagnosis is a long standing theory that employs tests to determine which units of a given system are {\em faulty} and {\em fault-free}. Diagnosis has been applied to network fault management, including LAN, WAN, and wireless …