This book constitutes the refereed post-conference proceedings of the 11th International Conference on Broadband Communications, Networks, and Systems, Broadnets 2020, which took place in Qingdao, China, in December 2020.

Wireless Network and Security.- Possibility of using existed WLAN infrastructure as an emergency network for air-to-ground transmissions: the case of WebRTC-based flying IoT system.- Constructing a Green MPTCP Framework for Industrial Internet of Things Applications.- Identification of Significant Permissions for Efficient Android Malware Detection.- Energy efficiency optimization for RF energy harvesting relay system.- Communication Quality.- Analysis of QoS schemes and shaping strategies for large scale IP networks based on Network Calculus.- Research on information transmission characteristics of two-layer communication network.- Detection of Malicious Android Applications: Classical Machine Learning vs. Deep Neural Network Integrated with Clustering.- Go2Edge - Edge Computing Networks, Systems and Services.- Experimental Evaluation of RSA Algorithms for SDN programmable VCSEL-based S-BVT in High-Capacity and Cost-Efficient Optical Metro Networks.- Implementing a blockchain-basedsecurity system applied to IoT.- Joint Core and Spectrum Allocation in Dynamic Optical Networks with ROADMs with no Line Changes.- Comparison of efficient planning and optimization methods of last mile delivery resources.- Decision Making under Uncertainty for the deployment of future networks in IoT Scenarios.- An initial approach to a Multi-Access Edge Computing reference architecture implementation using Kubernetes.