xueguofeng的最近发布

Cloud in Action: Learn and Practice Chef on Ubuntu

Summarize my two-day experiences with Chef for configuration management and automation.

Chef

Cookbook

Recipe

原创 2018-08-28 04:37:12 1049 阅读

经验分享: 成功通过AWS Advanced Networking Specialty认证考试

本文主要分享了AWS高级网络专项认证考试（Advanced Networking Specialty - ANS）的备战及考试经验，同时对AWS网络相关服务进行REVIEW，分析其主要特点和一些应用限制；最后对AWS战略做简要分析，讨论一下对运营商及企业网络的影响。

AWS

Advanced

Network

Specialty

原创 2018-08-15 08:57:22 10000+阅读 2点赞 1收藏 1评论

SDN in Action: Deploy VXLAN with MP-BGP EV_P_N

The initial VXLAN standard relies on the data-plane flood-and-learn behavior for remote VTEP peer discovery and end-host learning, which presents a challenge for its scalability. In order to overcome the limitations of the flood-and-learn, MP-BGP E*** is designed and used as the control plane for VXLAN, and provides protocol-based VTEP peer discovery and end-host reachability information distribution. Today we are going to get some hands-on experience with VXLAN and MP-BGP E***.

VXLAN

MP

BGP

原创 2018-01-10 11:42:31 10000+阅读

SDN in Action: Practice VXLAN L2 Gateway with GNS3

Virtual Extensible LAN (VXLAN) is a popular encapsulation protocol for running an overlay network, allowing us to create a Layer 2 network on top of a Layer 3 network. Nowadays, VXLAN has been widely deployed not only in the DC and Cloud environment, but also in the wide area networks. Today we are going to build a mini-lab environment with GNS3 and CSR1000v, and get some hands-on experience with VXLAN.

VXLAN GNS3

原创 2017-12-30 11:15:57 10000+阅读

Cloud in Action: Learning Serverless Architectures

Today we are going to experience the serverless architecutres with Amazon API Gateway, Lambda and DynamoDB, and develop a mini-app - the distributed phonenumber query system.

Serverless Lambda

原创 2017-12-23 11:49:15 2171 阅读

SDN in Action: OpenDaylight MD-SAL Programming

Today we are going to develop two mini MD-SAL instances – hello and hi on top of OpenDaylight to simulate the southbound protocol plugin, such as Openflow/OVSDB, BGP-LS/PCEP or NETCONF etc, as well as the northbound service application like IP+Optical Multilayer Optimization, inter-domian VPN or traffic engineering. With these two applications and their interactions, we can better understand OpenDaylight MD-SAL programming: YANG modeling, RESTCONF, RPC, notification and datastore, etc.

MD

SAL

原创 2017-12-17 08:51:35 9843 阅读

SDN in Action: Prepare for OpenDaylight Code

As the leading open-source SDN controller, OpenDaylight has adopted the latest software technologies from the open-source world, such as Linux / Java / Eclipse / Maven / OSGi / Equinox / Felix / Karaf / Kafka / Raft :) , which creates a steep learning curve for traditional CT veterans like me. Today we will learn and practice some popular and open-source softwares which has become the foundation of OpenDaylight.

Open

Daylight

SDN

原创 2017-12-10 12:02:50 4658 阅读

Cloud in Action: Deploy Kubernetes 1+2 Cluster

Today we are going to deploy Kubernetes 1+2 cluster with Kubeadm, a tool that can make Kubernetes dramatically easier to install. Futuremore we will launch some pods and services on top of the cluster system to have a better understanding of Kubernetes architecture and its networking technology in particular.

Kubernetes Flannel

原创 2017-12-09 09:59:00 6290 阅读

Cloud in Action: Practice Docker and Networking

Today we are going to learn the basic concepts of LXC and Docker, get some hands-on experiences on Docker and its networking and prepare for the next study on Kubernetes.

Docker

LXC

Namespace

原创 2017-11-27 13:58:14 2230 阅读

Cloud in Action: Migrate OpenStack from Linux Bridge to Open vSwitch

Open vSwitch supports most of the features you would find on a physical switch, providing some advanced features like RSTP support, VXLANs, OpenFlow, and supports multiple vlans on a single bridge. Today I am going to migrate my OpenStack lab environment from Linux Bridge Agent to Open vSwitch Agent and make it possible for the future integration with SDN Controller - OpenDaylight.

OpenStack Linux Brid

原创 2017-11-18 23:23:56 10000+阅读

Cloud in Action: Prepare for OpenStack Code

Deploying OpenStack manually can tell you the flow and configuration details, while learning and debugging OpenStack code can greatly help you understand how OpenStack really works. As the leading open-source software platform for cloud computing and in order to prevent from reinventing the wheel,the OpenStack community has adopted many open-source frameworks, middlewares, libraries and tools for its implementation, such as Setuptools, WSGI, Eventlet,Paste Deploy, Routes and Webob etc; without a

OpenStack

WSGI

code

原创 2017-11-09 02:29:38 2585 阅读

Cloud in Action: Manage and Manipulate OpenStack with CLI, SDK and API

Today we are going to experience the three ways to manage and manipulate OpenStack – CLI, SDK and API; and then develop a simple Hybrid Cloud application with Python to exchange data between Amazon Web Services and OpenStack.

SDK

CLI

OpenStack

原创 2017-10-30 04:10:48 2123 阅读

Cloud in Action: Install and Deploy the Self-Service Networks for OpenStack

This time we are going to deploy the self-service networking using overlay segmentation methods such as VXLAN, and provide the layer-3 services such as routing and NAT for multi-tenants.

Service

Self

OpenStack

原创 2017-10-29 12:04:49 10000+阅读 2收藏

Cloud in Action: Install OpenStack Ocata from scratch

Today we are going to install OpenStack Ocata from scratch by CLI and get some hands-on experiences with some of its key services.

Ubuntu

OpenStack

Ocata

原创 2017-10-23 14:23:38 10000+阅读 2收藏

SDN in Action: Practice NETCONF/RESTCONF and YANG with OpenDaylight and IOS XRv

NETCONF/YANG has played an important role in network automation, while RESTCONF further expands such an capability from controller and NMS to the outside applications, allowing us to program networks via WEB browser and high level languages. This time we are going to exercise with OpenDaylight, IOS XRv, Single REST Client and Python etc, and try to have a deep understanding about these underlying technologies.

NETCONF

RESTCONF

YANG

原创 2017-10-08 05:57:36 10000+阅读 1收藏

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Cloud in Action: Learn and Practice Chef on Ubuntu

经验分享: 成功通过AWS Advanced Networking Specialty认证考试

SDN in Action: Deploy VXLAN with MP-BGP EV_P_N

SDN in Action: Practice VXLAN L2 Gateway with GNS3

Cloud in Action: Learning Serverless Architectures

SDN in Action: OpenDaylight MD-SAL Programming

SDN in Action: Prepare for OpenDaylight Code

Cloud in Action: Deploy Kubernetes 1+2 Cluster

Cloud in Action: Practice Docker and Networking

Cloud in Action: Migrate OpenStack from Linux Bridge to Open vSwitch

Cloud in Action: Prepare for OpenStack Code

Cloud in Action: Manage and Manipulate OpenStack with CLI, SDK and API

Cloud in Action: Install and Deploy the Self-Service Networks for OpenStack

Cloud in Action: Install OpenStack Ocata from scratch

SDN in Action: Practice NETCONF/RESTCONF and YANG with OpenDaylight and IOS XRv

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