In many projects, NetScaler is generally placed in the DMZ, and NS is isolated from the backend infrastructure network, and the general bank and securities customers only open ports for VDI access, and here's the Citrix NetScaler ports that I previously organized in a project ...Firewall Open port:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6D/E8/wKiom1Vur4DRhBqzAARLHKE0QRA435.jpg "style=" fl
Let NetScaler CS vserver perceive lb vs's statusBy default CS vs does not perceive lb vs's State, and regardless of LB's state how CS vs is up. If you want CS vs to change with LB status, you need to enable the "State Update" feature. CS vs also becomes down when all lb of the CS vs binding is all down. This kind of demand should be more common, although netscaler in the design time Enough "self-confidence"
Environment Description:
Public domain name is ctx.corp.com
NetScaler version 10.5
Precautions:1, if you do not use the single FQDN method. The public domain name cannot be the same as the storefront load balanced domain name!STEP1: Request a pass configuration certificateCopy the certificate request content and request the Web Service certificate on the CA Certificate Server. No more explanations here!STEP2: Configuring the Gateway
In a VDI project, NetScaler often does not have the same network as AD, sometimes the FQDN of SF or WI written in Icaprofile, access to VDI, will report HTTP 5000 internal error;The solution is as follows:1.NS can not resolve the hostname of storefont or WI, need to modify the Icaprofile SF or WI IP address, you can ...2. Add DNS, Adip to NetScaler, ...This article is from the "liy-l" blog, make sure to kee
Netscaler GSLB's primary and standby data center solutionhttp://blog.51cto.com/caojin/1898182GSLB's primary and standby data center solution ideas:In fact, this is only a special case of a multi-data center, the location of the multi-Datacenter solution is:NSGEO1.0Context=customQualifier1=ispnameStart"192.168.1.50", "192.168.1.60", "IDC1""192.168.1.200", "192.168.1.254", "IDC2"And the master, the data center only need to put all the customer Ldns addr
When an HTTP request is made to NetScaler, it is sometimes necessary for an external device to parse or log the request, and a copy of the incoming HTTP request needs to be cloned. The original request to the selected server according to NetScaler's judgment, and the copy of the HTTP request can be sent to another arbitrary server according to the requirementsadd httpcallout clone_req -vServer vip1 -fullReqExpr‘HTTP.REQ.FULL_HEADER+HTTP.REQ.BODY(HTTP.
About page caching issues. This problem has been found on the internet a lot. But found that all kinds of solutions, are separated from each other, there is no unified solution, I recently, also encountered the problem of page caching, according to the Web page cache of the answers to do a summary.1. Server-side caching issues to prevent JSP page
original articles, reproduced please specify: reproduced from the electric Shang Sharong ec-shalom.com, specialized in electric business.The concept of caching has not been clear, resulting in the use of PHP write cache is also very not feeling.This article provides a comprehensive overview of the cache (Interactive encyclopedia | Wikipedia) caches and techniques for writing cache caching using PHP.
http://geek.csdn.net/news/detail/131318
Introductory
As an important method of Web performance optimization, HTTP caching mechanism for the Web development of the small partners are required to grasp the knowledge, but recently I encountered a few cache header settings related to the topic, found that there are several wrong answers, and some even know the correct answer after still do not understand the reason, can be quite depressing it. In order
Caching and caching
Typically, applications can store frequently accessed data and data that requires a large amount of processing time to be created in the memory, thus improving performance. For example, if an application uses complex logic to process a large amount of data and then returns the data as a report that is frequently accessed by the user, it is more efficient to avoid re-creating a report whe
Like Hibernate, MyBatis also provides support for first-level caching and level two caching. First-level caching: The HashMap local cache based on Perpetualcache, whose storage scope is session, and when session flush or close, all caches in the session are emptied. The second-level cache has the same mechanism as the first-level cache, and the default is Perpetu
Donut caching is the best way to cache an entire page in addition to some content, and before it appears, we use "Output caching" to cache the entire page.When to use Donut CachingSuppose you have an application that has a page like "home" that always presents the user with the same or very little change in addition to the user's login name. At this point you may need to cache most of the content. Join you
Special statement: The article is I search on the Internet some of the information, a little to tidy up, but also hope that we do not misunderstand, specifically from that I have also forgotten. Also please do not misunderstand!!!Through the design of good data block, prefetch, replace, update and other algorithms to improve the cache content hit rate and consistency.1) Data chunkingMemcached by default, a mechanism named slab allocator is used to allocate and manage memory. Prior to the advent
Students interested in memcached and Redis may wish to spend a few minutes reading this article, otherwise please drift over.Why Redis beats Memcached for caching | Why is Redis better than memcached in the context of caching?Memcached is sometimes more efficient, but Redis is almost alwaysthe better choice.XxxMemcached or Redis? It's a question that nearly all arises in any discussion about squeezing more
I. Overview
The idea of caching can be applied at all levels of software layering. It is an internal mechanism that is not perceptible to the outside world.
The database itself has a cache, and the persistence layer can also be cached. (For example: Hibernate, also divided into 1 levels and 2 cache)
The business layer can also have caching (but generally, this is a process domain and does not set a cache).
absrtact: This paper introduces the basic concept of caching and the commonly used caching technology, gives a brief introduction of the implementation mechanism of various technologies and the scope of application, as well as the problems to be considered in designing the caching scheme (total 17 pages) 1 concept 1.1 cachin
See a lot of the garden introduction caching articles, most of them only introduce the basic mechanism, for the cache update and dependency part, is simply to implement the Icacheitemrefreshaction interface, which in the actual project is far from enough. In the actual project, the following 3 points should be considered at least:
External data: Data that is taken from other systems through external services. We can't control it, and we don't
HTML HTTP protocol header information controls the page in several places cached information, including browser side, intermediate cache server (such as: squid, etc.), the Web server side. This article discusses the caching situation in the intermediate cache server for HTML pages with cached control information in header information (Jsp/servlet generated as well as HTML pages).
Information about caching
The importance of caching in a Web site is beyond doubt. I think many ASP. NET developers prefer to use a cache that is not a third-party caching solution (such as distributed cache memcached, Redis, and so on) when developing Web applications, but should be a variety of caching solutions already available in the. Network framework. Let's talk about the understan
Response.Buffer = True
Response.ExpiresAbsolute = Now ()-1
Response.Expires = 0
Response.CacheControl = "No-cache"
Response.AddHeader "Pragma", "No-cache"
Copy Code2. Add in HTML code
Copy Code3, in the recall of the original page when the page passed a parameter href= "****.asp?random ()"The first two methods are said to sometimes fail, and the third i
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