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Instant Consumer Technology Team
Instant Consumer Technology Team
May 19, 2025 · Cloud Computing

How Bare Metal Servers Combine Physical Power with Cloud Flexibility

This article explains what bare metal servers are, their key features such as exclusive hardware use, cloud‑style management, and zero virtualization overhead, compares them with traditional physical servers, outlines use cases like AI, big data, and HPC, and details the OpenStack Ironic and DPU‑based implementation by MaShang Cloud.

DPUIronicOpenStack
0 likes · 12 min read
How Bare Metal Servers Combine Physical Power with Cloud Flexibility
Raymond Ops
Raymond Ops
Mar 26, 2025 · Cloud Computing

Understanding OpenStack Core Services: Keystone, Glance, Nova, Neutron & More

This article explains the workflow of OpenStack's core components—including Keystone, Glance, Placement, Nova, and Neutron—detailing their roles, interactions, and key concepts such as users, tokens, projects, services, endpoints, and networking types, providing a comprehensive overview for cloud engineers.

GlanceKeystoneNeutron
0 likes · 14 min read
Understanding OpenStack Core Services: Keystone, Glance, Nova, Neutron & More
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Mar 19, 2025 · Artificial Intelligence

How 360 Cloud Platform Implements GPU Passthrough and Docker+MIG for AI Workloads

This article details 360 Cloud Platform's practical implementation of GPU passthrough and Docker‑MIG solutions, covering the underlying principles, host and OpenStack configuration steps, verification methods, and future directions for full GPU virtualization.

DockerGPU passthroughGPU virtualization
0 likes · 13 min read
How 360 Cloud Platform Implements GPU Passthrough and Docker+MIG for AI Workloads
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Mar 3, 2025 · Cloud Computing

How Distributed DHCP Boosts VM Creation Speed in 360 Cloud

This article explains the challenges of centralized DHCP in 360’s OpenStack‑based virtual network, analyzes performance and reliability issues, and presents a distributed DHCP redesign that moves DHCP processing to the compute node, reducing latency, improving stability, and cutting operational costs.

Cloud NetworkingDHCPOpenStack
0 likes · 14 min read
How Distributed DHCP Boosts VM Creation Speed in 360 Cloud
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Nov 18, 2024 · Cloud Computing

How Dynamic Resource Scheduling Boosts OpenStack Efficiency and Cuts Costs

Virtualization resource scheduling algorithms, especially in OpenStack, address fragmented CPU allocation and uneven node utilization by dynamically consolidating VMs, employing NUMA-aware placement, and using resource scoring to trigger migrations, ultimately improving utilization, reducing costs, and enhancing performance in cloud environments.

NUMAOpenStackResource Scheduling
0 likes · 12 min read
How Dynamic Resource Scheduling Boosts OpenStack Efficiency and Cuts Costs
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Oct 24, 2024 · Cloud Computing

How to Seamlessly Hot-Migrate VM Disks to a Mixed-Flash Ceph Cluster with QMP

This article details the design, implementation, and results of migrating over 16,000 virtual machine disks from an aging Ceph Luminous cluster to a high‑performance mixed‑flash Ceph cluster using QEMU QMP hot‑swap, achieving a 47.65% reduction in IO latency and enabling cost‑saving decommissioning of legacy storage.

CephHot migrationOpenStack
0 likes · 11 min read
How to Seamlessly Hot-Migrate VM Disks to a Mixed-Flash Ceph Cluster with QMP
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
Oct 15, 2024 · Cloud Computing

How 360’s OpenStack Scheduler Optimizes Multi‑Cloud Resource Allocation

This article explains how 360’s cloud platform uses a three‑layer architecture and Nova‑scheduler to manage thousands of servers and tens of thousands of VMs across multiple OpenStack clusters, detailing scheduling policies, resource‑pool handling, current challenges, and future improvement plans.

Multi-CloudOpenStackResource Scheduling
0 likes · 10 min read
How 360’s OpenStack Scheduler Optimizes Multi‑Cloud Resource Allocation
DevOps Operations Practice
DevOps Operations Practice
Jun 2, 2024 · Cloud Computing

Core Components, Features, and Use Cases of OpenStack

This article introduces OpenStack as an open‑source cloud computing platform, outlines its ten core services such as Nova, Swift, and Keystone, highlights key characteristics like openness and modularity, and discusses typical public, private, and hybrid cloud deployment scenarios.

IaaSOpen-sourceOpenStack
0 likes · 5 min read
Core Components, Features, and Use Cases of OpenStack
360 Smart Cloud
360 Smart Cloud
Mar 15, 2024 · Cloud Computing

Integrating Kubernetes Pods with OpenStack VPC Network Using a Custom CNI and IPVLAN

This article describes how 360 unified Kubernetes pod networking with OpenStack VPC by developing a custom CNI plugin that leverages Neutron elastic ports, IPVLAN L2 mode, and OVS to achieve layer‑2 connectivity between VMs and pods, including detailed implementation steps and command examples.

CNIKubernetesNetwork Integration
0 likes · 8 min read
Integrating Kubernetes Pods with OpenStack VPC Network Using a Custom CNI and IPVLAN
Test Development Learning Exchange
Test Development Learning Exchange
Nov 10, 2023 · Cloud Computing

OpenStack Overview, Advantages, Disadvantages, and Implementation of Traffic Mirroring and Cross‑Host Forwarding with Kubernetes, Istio, and Neutron

This article introduces OpenStack’s core components, outlines its strengths and weaknesses, and provides step‑by‑step code examples for achieving traffic mirroring and cross‑host forwarding using Kubernetes, Istio, and OpenStack networking plugins such as Neutron and Calico.

IstioKubernetesNeutron
0 likes · 7 min read
OpenStack Overview, Advantages, Disadvantages, and Implementation of Traffic Mirroring and Cross‑Host Forwarding with Kubernetes, Istio, and Neutron
Architects' Tech Alliance
Architects' Tech Alliance
Dec 21, 2022 · Cloud Computing

The Rise and Evolution of OpenStack in China: From Early Adoption to Industry Impact

From its early adoption in 2010 to becoming a catalyst for Chinese cloud innovation, OpenStack's evolution in China—highlighting the rise of local startups, venture funding, foundation dynamics, and the broader impact on the nation's cloud computing landscape—is examined in this comprehensive analysis.

ChinaFundingOpen-source
0 likes · 25 min read
The Rise and Evolution of OpenStack in China: From Early Adoption to Industry Impact
Cloud Native Technology Community
Cloud Native Technology Community
Dec 1, 2022 · Cloud Native

Integrating OpenStack and Kubernetes Networks with Kube-OVN: Cluster Interconnect and Shared OVN Modes

This guide explains how to use Kube-OVN to connect OpenStack virtual machines and Kubernetes containers by configuring cluster interconnect or shared OVN modes, covering prerequisites, OVN‑IC database deployment, Kubernetes and OpenStack side settings, and example manifests for creating Pods in OpenStack subnets.

Kube-OVNKubernetesNetwork Integration
0 likes · 11 min read
Integrating OpenStack and Kubernetes Networks with Kube-OVN: Cluster Interconnect and Shared OVN Modes
Architects Research Society
Architects Research Society
Jul 12, 2022 · Cloud Computing

Apache CloudStack vs OpenStack: A Comprehensive Comparison and Selection Guide

This article provides an in‑depth comparison of Apache CloudStack and OpenStack, covering their histories, architectures, feature matrices, deployment models, usability, and guidance on choosing the most suitable cloud management platform for enterprises of any size.

Apache CloudStackCloud ManagementComparison
0 likes · 20 min read
Apache CloudStack vs OpenStack: A Comprehensive Comparison and Selection Guide
NetEase Cloud Music Tech Team
NetEase Cloud Music Tech Team
Jun 23, 2022 · Cloud Computing

Adoption of Curve Block Storage for NetEase Cloud Music: Background, Challenges, and Benefits

Facing Ceph’s high latency, jitter, and upgrade constraints, NetEase Cloud Music adopted Curve block storage, which delivers over twice the IOPS, sub‑2‑second upgrade pauses, and stable, low‑latency I/O across 40 GB‑4 TB volumes, enabling the platform to meet its 99.99% availability SLA for billions of users while supporting future cloud‑native services.

CephOpenStackblock storage
0 likes · 10 min read
Adoption of Curve Block Storage for NetEase Cloud Music: Background, Challenges, and Benefits
360 Smart Cloud
360 Smart Cloud
Feb 25, 2021 · Cloud Computing

Investigation and Resolution of Octavia API Slow Response Issue

This article details the background, architecture, step‑by‑step troubleshooting, analysis of network and server queues, and the final configuration changes that resolved the intermittent slow response times of the Octavia load‑balancer API in an OpenStack environment.

APIOctaviaOpenStack
0 likes · 7 min read
Investigation and Resolution of Octavia API Slow Response Issue
360 Smart Cloud
360 Smart Cloud
Jan 28, 2021 · Cloud Native

KubeVirt Overview, Architecture, and Practical Usage with Code Examples

This article introduces KubeVirt as a Kubernetes plugin for managing virtual machines, compares it with OpenStack and other solutions, explains its CRDs, components, storage and networking options, and provides detailed code examples and SDK usage for deploying and operating VMs in a cloud‑native environment.

CephCloudNativeGo
0 likes · 23 min read
KubeVirt Overview, Architecture, and Practical Usage with Code Examples
Architects Research Society
Architects Research Society
Jun 13, 2020 · Cloud Computing

Spine‑and‑Leaf Network Topology Guide for Red Hat OpenStack Platform

This guide explains how to design and implement a spine‑leaf network topology for Red Hat OpenStack environments, covering composable networking, routing, VLAN isolation, DHCP relay, supernet routes, and the specific requirements and limitations of deploying an overcloud.

DHCPNetwork TopologyOpenStack
0 likes · 7 min read
Spine‑and‑Leaf Network Topology Guide for Red Hat OpenStack Platform
360 Tech Engineering
360 Tech Engineering
May 22, 2020 · Cloud Computing

Deploying 360Stack Bare Metal Servers on OpenStack: Architecture and Network Modes

This article explains the concept of bare metal services in cloud computing, details the deployment and runtime phases of 360Stack bare metal servers using OpenStack Ironic, and compares flat, VLAN, and VXLAN network modes with accompanying architecture diagrams and configuration steps.

IronicNetwork ModesOpenStack
0 likes · 5 min read
Deploying 360Stack Bare Metal Servers on OpenStack: Architecture and Network Modes
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
May 13, 2020 · Cloud Computing

How to Deploy Bare Metal Servers with OpenStack Ironic: A Step-by-Step Guide

This article explains the concept of bare metal services in cloud computing, details OpenStack Ironic's role, walks through the provisioning and running phases, and compares flat, VLAN, and VXLAN network modes for deploying bare metal servers.

IronicNetwork ModesOpenStack
0 likes · 6 min read
How to Deploy Bare Metal Servers with OpenStack Ironic: A Step-by-Step Guide