hardware load balancer comparison

Cluster) A cluster is a loosely coupled multi-processor system composed of a group of independent computer systems. It communicates with each other through a network. Applications can transmit messages through the network shared memory to implement distributed computers.Load Balance)　　 Server Load balancer is a dynamic balancing technology. It uses some tools to analyze data packets in real time, master the

systems or different hardware. For example, a cluster that provides Web Services is a large Web server. However, cluster nodes can also provide services separately.3. Features: based on the existing network structure, Server Load balancer provides a cheap and effective method to expand server bandwidth and increase throughput, enhance network data processing cap

availability and scalability Better use of server resources Make the applicationProgramAnd supports satellite deployment management and hot replacement. Lower management costs, making shared host deployment possible ARR is based on the URL rewrite module. It detects HTTP requests sent from the client to make request routing decisions. Next, let's take a look at some features of ARR: 1. Request Routing decisions made based on HTTP requests Unlike

Author: sodimethylSource: http://blog.csdn.net/sodmeDisclaimer: This article may be reproduced without the consent of the author, but any reference to this article must indicate the author, source and the declaration information. Thank you !! In network applications, "Server Load balancer" is no longer a new topic. From hardware to software, there are also many

file TNSNAMES. as an optional connection alias in ORA. I started this load in my p + 0 database environment. After the execution, I went back to the EM Database Console to view the execution result, as shown in 2.2.1, click "Stop capture" to end the load capture. Figure 2.2.1: Load Capture: Review capture task status At this time, Oracle

Introduction to load Balancing clusters Main open source software LVs, keepalived, Haproxy, Nginx, etc. The LVS belong to 4 layer (network OSI 7 layer model), Nginx belongs to 7 layer, Haproxy can be considered as 4 layer, can also be used as 7 layer The Keepalived load balancing function is actually the LVS LVS This 4-tier load

I. Concepts of reverse proxy and Server Load balancer Before understanding the concepts of reverse proxy and Server Load balancer, we must first understand the concept of a cluster. Simply put, a cluster is a server that does the same thing, such as a web cluster, database cluster, and storage cluster, the cluster has

Preface: The company has developed a website. The estimated maximum number of online users is 30 thousand, and the maximum number of concurrent users is 100. Whether or not the developed website can withstand this pressure and how to ensure that the load of the website is no problem, after research, it is decided as follows: (1) Server Load balancer and cluster t

initiate the request to the server.Based on the characteristics of client load balancing: Implemented by the client internal program, no additional load balancer hardware and software inputs are required. Internal procedures need to address the issue of unavailability of the business Server, and server fa

First, the problems encounteredWhen we deploy a Web application with an IIS server, when many users have high concurrent access, the client responds very slowly and the customer experience is poor, because when IIS accepts a client request, it creates a thread that consumes large memory when the thread reaches thousands of. At the same time, because these threads are switching, the CPU usage is also high, which makes IIS more difficult to perform. So how do we solve this problem? Second, how t

In the past, running a large web application meant running a large web server. Because your application attracts a large number of users, you will have to add more memory and processors to your server. Today, the 'large server' model has passed, replacing it with a large number of small servers, using a variety of load balancing technologies. This is a more feasible way to minimize hardware costs. The 'mor