UCloud is a leading neutral cloud provider in China, developing its own IaaS, PaaS, AI service platform, and big data exchange platform, and delivering comprehensive industry solutions for public, private, hybrid, and dedicated clouds.
This article details how UCloud’s USnap service extends the UDataArk CDP technology to provide low‑cost, second‑level snapshots for ordinary, SSD, and RSSD cloud disks, describing the client‑side IO capture, Stream‑based front layer redesign, Arker storage architecture, and efficient rollback mechanisms.
This article explains how two computers locate each other on the Internet using IP, MAC, and port numbers, details the ARP protocol and routing table lookup, and then examines LVS load‑balancing mechanisms, comparing NAT and FULLNAT models and their packet‑translation processes.
This article explains the fundamentals of RTC, distinguishes it from traditional streaming, highlights WebRTC's cross‑platform, plugin‑free benefits, and shows how low‑latency real‑time communication can enhance interactive applications.
This article explains how UCloud's Serverless container product Cube integrates Virtual Kubelet with Kubernetes, why kube-proxy is unsuitable for lightweight serverless VMs, and how an eBPF‑based Rust proxy (cproxy) provides efficient service discovery and superior performance across different service scales.
This article explains practical techniques for handling dirty data, guaranteeing data consistency, and performing validation during the data cleaning and cut‑over phases of a cross‑cloud migration, including read‑only database accounts, process termination, and network ACL isolation.
This article explains the challenges of cross‑cloud migration, outlines three resource categories, details MySQL, file and object storage synchronization methods, presents practical tools and validation techniques, and shares real‑world case studies to ensure data integrity and efficiency.
This article explains how UCloud leverages Segment Routing to redesign its backbone network, detailing the architecture, control‑plane and forwarding‑plane designs, traffic‑engineering features, multi‑scenario access, and future evolution to achieve intelligent, reliable, and highly schedulable connectivity.
This article examines the rapid evolution of UCloud's data‑center network, detailing the challenges of scaling MAN and backbone infrastructures, the transition from Backbone 1.0 to 2.0, and how Segment Routing and SR‑TE enable intelligent, reliable, and programmable cloud connectivity.
This article curates ten standout presentations from the 2020 NVIDIA GTC China conference, highlighting how DPU technology accelerates finance, 5G, edge computing, data science and high‑performance networking across industry‑leading experts.
This article chronicles UCloud's VPC evolution—from early classic two‑layer networks through SDN‑based VPC 2.0 and the hardware‑integrated VPC 3.0 architecture, covering microservice migration, telemetry, dynamic flow learning, and high‑performance hardware offload to meet modern cloud networking demands.
