shared chat / drawing canvas – Game events © Joe Mertz – Mobile to Cloud: Building Distributed Applications • Workarounds have been devised • E.g. Polling – Client continuously polls the server • E the next time he wants to send a letter. © Joe Mertz – Mobile to Cloud: Building Distributed Applications • Provides for true two-way ongoing communication between a client and server. • Each side Some old browsers don't implement WebSockets © Joe Mertz – Mobile to Cloud: Building Distributed Applications // Create a new WebSocket var wSocket = new WebSocket("ws://www.example.com/socketserver") //

future of cloud native applications Mark Russinovich @markrussinovich Open Application Model dapr: Distributed Application Platform Building Cloud Scale, Hybrid Applications Agenda Application Models App developers need to know and code for each infrastructure they deploy to Kubernetes for applications "[Kubernetes] is really hard to get into it and understand how all the parts play together people." – Software Architect @ Crisp Kubernetes focuses on container infrastructure, not on applications Application developers need to be experts in Kubernetes APIs Production use of Kubernetes

1 Quickly Testing Qt Desktop Applications with Approval Tests Clare Macrae (She/her) clare@claremacrae.co.uk 16 September 2020 CppCon (Online)2 Audience: Developers testing Desktop GUIs, including and readable with fixtures • ApprovalTests.Cpp.Qt feedback welcome!80 Quickly Test Qt Desktop Applications • All links from this talk, and more, via: – bit.ly/TestingQt – github.com/claremacrae/talks

Kubernetes VM Solutions for Multi-Tenant Applications Guangxu Li, Senior Software Engineer, ZTE li.guangxu@zte.com.cn Container and VM Ecosystem Kubernetes Docker Swarm Marathon Nomad Container Container OpenStack Others Why We Run VM on Kubernetes? • Traditional Applications • No linux based Applications • Functions provided by host kernel are not satisfied • OpenStack is too complex • Unified

The Future of Cloud Native Applications with Open Application Model (OAM) and Dapr @markrussinovich Application models Describes the topology of your application and its components The way developers of Cloud Native Application Platforms Kubernetes for applications Kubernetes focuses on container infrastructure, not on applications Application developers need to be experts in Kubernetes modeling supports a wide range of application architectures Small and simple applications are easy, large and complex applications are manageable Allows application developers to focus on their code in

console.log(object.foo) Jonathan Müller A fast, compliant JSON pull parser for writing robust applications undefined Jonathan Müller — @foonathan Express your expectations CppCon 2023-10-03 10JSON parsing std::print("{}\n", object.at("foo")); Jonathan Müller A fast, compliant JSON pull parser for writing robust applications Uncaught exception. Jonathan Müller — @foonathan Express your expectations CppCon 2023-10-03

Traits/Scopes Scale: - 10,000 nodes/cluster - 100,000 apps/cluster - 1,000,000 containers/cluster Applications: - 100,000 deploys/day - 500~1000 replicas/app Function Job Container Virtual Machine Gateway

Contents 1. Tool for Splitting Monolithic Applications into Microservices 2. Contract Management Tool 3 Advantages of the Microservice Architecture Factor Monolithic Architecture Microservice Architecture UIs Service orchestration Microservice -based Cloud-based applications of enterprises Traditional enterprise IT applications Read service logs to identify the service access frequency. Scan modifications Core technology: application-level formal verification Tool for Splitting Monolithic Applications into Microservices Improves Development Efficiency Supported processes Methodology •

can abstract the complexity of the steps previously handled by large teams must be adopted. The monolithic application should be split up into microservices that can each be owned by a single team. Organizational how to deploy, configure, monitor, update, and manage Kubernetes, it components, and all the applications that run on it. In GitOps, a Git repository contains declarative descriptions of all desired Platform. Once the system is described, it can be versioned in Git. All changes for operations and applications share the same source of truth. Software agents continuously monitor the Git repo and reconcile