Dear Colleagues, We are happy to invite submissions of your work to the Future Internet special issue entitled Service-Oriented Systems and Applications, edited by Dr. Jacopo Soldani and Dr. Stefano Forti. Special Issue link: https://www.mdpi.com/journal/futureinternet/special_issues/S_Oriented_Systems_A Submission deadline: 31 August 2021. An earlier publishing date is possible, however. Please click the top left button Submit to Special Issue on the special issue link if you feel interested. Please contact email@example.com or firstname.lastname@example.org if you have any questions. Potential topics include, but are not limited to, the following: Cloud/fog/edge computing, and large-scale distributed systems; Design principles, architectural smells, and architectural refactoring of service-oriented systems and applications; Resource and application management in next-gen Cloud-IoT systems; Dynamic service-oriented architectures and self-* systems and application; Fault localization and resilience in service-oriented systems and applications; Formal methods, models, and techniques for service-oriented systems and applications; Microservices; Model-driven design and development of peer-to-peer systems and blockchains; Programming languages for service-oriented systems and applications; Reverse engineering for service-oriented systems and applications; Security in service-oriented systems and applications; Service composition, coordination, orchestration, integration, and adaptation; Service-Oriented Architecture (SOA); Support for business processes—from design- to run-time; QoS monitoring, modelling, and analysis in service-oriented systems and applications; Verification and testing solutions for service-oriented systems and applications. Future Internet (ISSN 1999-5903, indexed by Scopus*-CiteScore 2.80, Ei compendex, ESCI*-Web of Science) is a journal on Internet technologies and the information society, published monthly online by MDPI. It maintains a rigorous and fast peer review system with a median publication time of 33 days from submission to online publication, and 3 days from acceptance to publication. More information about our journal can be found at https://www.mdpi.com/journal/futureinternet. We look forward to hearing from you. Kind regards, Christina Tan/MDPI Assistant Editor Future Internet (http://www.mdpi.com/journal/futureinternet) Follow us on social media: Twitter: @FutureInternet6 LinkedIn: http://www.linkedin.com/in/futureinternet/ Disclaimer: The information and files contained in this message are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this message in error, please notify me and delete this message from your system. You may not copy this message in its entirety or in part, or disclose its contents to anyone.