B4及之后:为谷歌软件定义WAN的可用性和扩展管理层次化.划分和不对称 本文为SIGCOMM 2018会议论文,由谷歌提供. 笔者翻译了该论文.由于时间仓促,且笔者英文能力有限,错误之处在所难免:欢迎读者批评指正. 本文及翻译版本仅用于学习使用.如果有任何不当,请联系笔者删除. ABSTRACT (摘要) Private WANs are increasingly important to the operation of enterprises, telecoms, and cloud pro…

① 背景介绍 Google的网络有两种,一种是数据中心内部网络,另外一种是WAN网,其中WAN网又分为两种:一是数据中心之间的互联网络,属于内部网络(G-Scale Network),另外一种是面向Internet用户访问的网络(Internet-facing WAN 即 I-Scale Network),Google选择使用基于SDN来改造数据中心之间互联的G-Scale网络,因为这个网络相对简单,设备类型以及功能都比较单一,而且该网络的链路成本太高(都是长距离传输光缆,甚至包括海底光缆),改…

C++ Core Guidelines September 9, 2015 Editors: Bjarne Stroustrup Herb Sutter This document is a very early draft. It is inkorrekt, incompleat, and pµøoorly formatted. Had it been an open source (code) project, this would have been release 0.6. Copy…

In partitioned databases, trading some consistency for availability can lead to dramatic improvements in scalability. http://queue.acm.org/detail.cfm?id=1394128 Dan Pritchett, Ebay Web applications have grown in popularity over the past decade. Wheth…

http://www.infoq.com/articles/agile-software-architecture-sketches-NoUML If you're working in an agile software development team at the moment, take a look around at your environment. Whether it's physical or virtual, there's likely to be a story wal…

Gwen Shapira, SA superstar and now full-time engineer at Cloudera, asked a question on Twitter that got me thinking. My response of old might have been “well, here’s the FLP paper, and here’s the Paxos paper, and here’s the Byzantine generals paper…”…

原文:http://android.eoe.cn/topic/android_sdk LVL Classes and Interfaces-LVL类和接口 Table 1 lists all of the source files in the License Verification Library (LVL) available through the Android SDK. All of the files are part of the com.android.vending.lice…

Now-a-days, we can see that whole world is moving around Clouds and virtualization. More and more applications are building for managing datacentre servers and other stuff. I have been part of one of such a module. I developed one module for monitori…

https://www.clustrix.com/bettersql/spanner-vs-aurora/ Google Spanner versus Amazon Aurora In July 2015, Amazon delivered Aurora, the AWS-only Enterprise RDBMS they’d been claiming since November 2014 would have “5x Enterprise performance at 1/5 the p…

原文地址需FQ才能看  https://blog.engineyard.com/2014/advanced-read-write-splitting-with-phps-mysqlnd In part one in this series we took our first look at mysqlnd_ms, the the MySQLnd plugin for read/write splitting. In this article we’ll look at more advanced…