#400/500 error retry # When the service returns the 400/500 status and has a surviving node in the current pool, reset the HTTP request and reselect the node in the pool. # Accept the new HTTP request when client_accepted {Set retry 0} When
The Controller code is as follows:
// // GET: /Home/ [HttpGet, ImportModelStateFromTempData] public ActionResult Register() { return View(); } [HttpPost, ExportModelStateToTempData] public
// Disable Ctrl + N or Ctrl + R or SHIFT + F10 or right-click or left-side or F5VaR olastbtn = 0, bismenu = falseIf (window. Event){Document. captureevents (event. mouseup );}
Function nocontextmenu (){Event. cancelbubble = true;Event. returnvalue
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screen Mouse right button, CTRL + N, SHIFT+F10, Alt+f4, F11, F5 refresh, backspace key screen right mouse button, CTRL + N, SHIFT+F10, Alt+f4, F11, F5 refresh, backspace key
[Ctrl + A All SELECT Note: If the need to introduce external
When developing a asp.net system, you often need to customize your own browser menus, toolbars. The menu uses Aspnetmenu, as if it is not very stable, and the page is very refreshing, and the toolbar uses Microsoft's Iewebcontrol, the toolbar works
Case one: Users with available operation permissions
The password modification of the root and admin accounts of BIGIP V9 can be modified in the Web interface, but only if there is a user who can log on to the operation permission so that it can be
asp.net in developing a asp.net system, often need to customize their own browser menus, toolbars.
In a recent project, there is an opportunity to take charge of this part.
The menu is Aspnetmenu, it seems not very stable, and the page refresh is
this way, if the use of CDN undoubtedly to the community users to use video on demand, network education and other broadband applications provide a guarantee. Four, the lack of CDN ----Any new things, in the existing model to bring about the improvement, there must be some limitations, the CDN is also the case. According to Guo Guangzhong, the technology manager of the Interconnection Network Limited, the real-time is not very good is a CDN's fatal flaw. As the demand for CDN grows, this fla
Load Balancer load Balancing is built on the existing network structure, it provides a cheap and effective transparent method to extend network equipment and server bandwidth, increase throughput, enhance network data processing ability, improve network flexibility and availability.a powerful tool for large web site load Balancing
Global load Balancing System (GSLB)
Content cache System (CDN)
Server load Balancing System (SLB)
th
Large Web site-load Balancing architectureExcerpt from: http://www.cnblogs.com/and/p/3366400.html Load Balancer load Balancing is built on the existing network structure, it provides a cheap and effective transparent method to extend network equipment and server bandwidth, increase throughput, enhance network data processing ability, improve network flexibility and availability.a powerful tool for large web site load Balancing
Global load Balancing System (
Recently want to understand the next CDN, from the Internet to find some documents looked under, and some with dig command interpretation is quite complicated, but the total feeling lacks some image examples for beginners to master. First, there are several concepts to be clear:
1, GSLB Global load balancing and IDNs intelligent DNS is a meaning, not two things. In the implementation of the way, there are F5
restart3) add an account to the master server for the mysql slave serverGrant replication slave on *. * TO 'repl' @ '2. 2.2.% 'identified by 'testpass ';4) Create a database> Create database gslb;> Create database dns;5) display the log location> Show master status;+ ------------------ + ----------- + -------------- + ------------------ +| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |+ ------------------ + ----------- + -------------- + -------
to some applications
Program When an HTTP request is sent, the IPv6 DNS lookup always times out before IPv4 intervention (usually reported to take about 30 seconds), which is also a common cause of slow DNS lookup process. 3) Some people reported: "One day, the O M Department declared that the company's network had all enable IPv6. After that, when using the PHP curl function or using wget in Linux to access an internal domain name, it takes about five seconds to get the results. The reason i
CDN (Content Delivery network) is a kind of advanced traffic distribution network based on the existing Internet. is different from mirroring, equivalent to CDN = Mirror (mirror) +Cache + Overall load balancing (GSLB). At present, the CDN has cached the static data in the website mainly, such as css,js, picture and static page data, the user requests from the main server to the dynamic page, then downloads these static data from the CDN, thus accelera
, and are efficient and able to determine the source area of the client based on the source IP address of the client, assign the client's request to the local load balancer, and the CDN frame as follows: from which you can see, The first layer GSLB and the second layer GSLB have their own domain groups, the first layer GSLB through the regional settings, the whol
improve the speed of browsing.In the browser side, press CTRL +F5 key combination will require the browser to send the request directly to the target server, instead of using the data in the browser cache, and secondly, even if the request to the server, we have access to the server cache data, in order to obtain the latest data, must be controlled through the HTTP protocol, The method is to add pragme:no-cache and cache-control:no-cache in the bro
, and are efficient and able to determine the source area of the client based on the source IP address of the client, assign the client's request to the local load balancer, and the CDN frame as follows: from which you can see, The first layer GSLB and the second layer GSLB have their own domain groups, the first layer GSLB through the regional settings, the whol
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