http://tropicaldevel.wordpress.com/2013/07/15/quality-of-service-in-openstack/ In this post I will be exploring the current state of quality of service (QoS) in OpenStack.  I will be looking at both what is possible now and what is on the horizon and…

来自:http://www.hivemq.com/blog/mqtt-essentials-part-6-mqtt-quality-of-service-levels Quality of Service What is Quality of Service? The Quality of Service (QoS) level is an agreement between sender and receiver of a message regarding the guarantees of…

什么是 QoS ? QoS (Quality of Service) 是发送者和接收者之间,对于消息传递的可靠程度的协商. QoS 的设计是 MQTT 协议里的重点.作为专为物联网场景设计的协议,MQTT 的运行场景不仅仅是 PC,而是更广泛的窄带宽网络和低功耗设备,如果能在协议层解决传输质量的问题,将为物联网应用的开发提供极大便利. 三个 QoS 级别简介 在 MQTT 协议里,定义了三个级别的 QoS,由低到高分别是: 最多一次 (QoS0) 至少一次 (QoS1) 有且仅有一次 (QoS2…

w https://en.wikipedia.org/wiki/Quality_of_service Quality of service (QoS) is the overall performance of a telephony or computer network, particularly the performance seen by the users of the network. To quantitatively measure quality of service, se…

Quality of Service advanced service is designed as a service plugin. The service is decoupled from the rest of Neutron code on multiple levels (see below). QoS extends core resources (ports, networks) without using mixins inherited from plugins but t…

Background: Why we need QoS ? There are premium subscribers who always want to have better user experience on their 4G LTE device. These users are willing to pay more for high bandwidth and better network access on their devices. Not only the subscri…

原文 可以针对每个ReRoute设置对下游服务的熔断器circuit breaker.这部分是通过Polly实现的. 将下面的配置添加到一个ReRoute下面去. "QoSOptions": { "ExceptionsAllowedBeforeBreaking":3, "DurationOfBreak":5, "TimeoutValue":5000 } ExceptionsAllowedBeforeBreaking必须大于0.…

微软近期Open的职位: Location: China, BeijingDivision: Operations System Group Engineering Group OverviewOSG is delivering flagship products in Microsoft. China is a second largest economy in the world. With over one billion mobile subscribers, China has bec…

IPTV的服务质量(QoE)要求 Quality of experience requirements for IPTV services Summary This Recommendation defines user requirements for Quality ofExperience for IPTV services. The QoE requirements are defined from an end userperspective and are agnostic to n…

[方法一] 一.介绍 srvany.exe是Microsoft Windows Resource Kits工具集的一个实用小工具,用于将EXE程序作为Windows服务运行.srvany是其注册程序的服务外壳,我们可以通过它让我们的程序以SYSTEM账户启动,或者实现随机器启动而自启动,也可以隐藏不必要的窗口,比如说控制台窗口等等.安装srvany.exe需要用到另一个工具instsrv.exe,instsrv.exe的作用就是为了安装srvany.exe工具. 二.步骤 1.下载获取程序,sr…