business architecture guild

Business segmentation of RAC Architecture As we have discussed earlier, RAC is actually an instance-level redundant architecture. Applications can connect to an instance randomly or randomly as needed for business operations. As far as I know, most RAC architectures are designed in this way. The advantage of doing so i

, two WEB servers we do not do load balancing, because in order to save resources, temporarily not to buy servers to do load balancing, we use the DNS polling method to send the user's request to two machines, but this architecture has a problem, once a WEB machine downtime, Half of the users will not have access to the business. There is also a problem, we also need to consider how to ensure that the data

the regions are responsible for data binding, fixed events, and data initialization, item also has the responsibility of data binding. The appearance class has many responsibilities, and the main responsibility is the operation mechanism. In fact, I didn't think like this in the first place. I wanted various controls to be created, bound, verified, and authorized in a uniform way, so I thought of having a base class to abstract them, an item is available, but a single item cannot complete a c

This is the eighth article in the agile development product management series. (Column directory) In product development, product performance problems are often encountered, which will greatly affect the product architecture. However, to solve these performance problems, do not think it is only a matter of technical personnel. The product manager and product director should also participate in the process, or even

The business logic layer is implemented in Ninesky.core, and the main functions encapsulate some methods to provide services to the interface layer by invoking the data storage layer. The architecture of the business logic layer Ninesky.core contains three namespaces Ninesky.core, Ninesky.Core.Types, Ninesky.Core.General. Ninesky.core contains model and func

"help address"Switch (config-if) #eSwitch (config) #in VLA 20Switch (config-if) #ip helper-address 192.168.50.1Switch (config-if) #eSwitch (config) #in VLAN 30Switch (config-if) #ip helper-address 192.168.50.1Switch (config-if) #eSwitch (config) #in VLAN 50Switch (config-if) #ip add 192.168.50.254 255.255.255.0//Configure IP for VLAN50Switch (config-if) #no shSwitch (config-if) #eSwitch (config) #in VLAN 40Switch (config-if) #no shSwitch (config-if) #ip add 192.168.40.254 255.255.255.0//Configu

change optimization, convenient front-end reading.3. Architecture650) this.width=650; "src=" Https://pic4.zhimg.com/v2-382aa82cd6e3dea752a68fdee09f3477_b.png "class=" origin_image Zh-lightbox-thumb "width=" "alt=" V2-382aa82cd6e3dea752a68fdee09f3477_b.pn "/>4. Technical Requirements1) Development language: Java/php/node/lua can, do not make mandatory requirements, but it is recommended to use Php,lua, etc. without restarting the server language, to facilitate the timely processing of problems,

Document directory New SOA business language new system architecture-SOA and SaaS New business language and new system architecture of SOA-SOA and SaaS begin to introduce some new obfuscation with the increasing popularity of SaaS and the deepening of SOA, more and more people are talking about the capabilities of

Document directory General Service-oriented principle --- from Chapter 8 of SOA concepts, technologies and Design WCF programming-service-oriented overview Architecture Principles Practical principles SOA new business language new system architecture-SOA principles General Service-oriented principle --- from Chapter 8 of SOA concepts, technologies and de

Four business logic layer architecture and basic functions of MVC5 website development, mvc5 website development I. architecture of the business logic layer Using System; using System. collections. generic; using System. linq; using System. text; using System. threading. tasks; using System. data. entity; name

Author: Anders James I have written an article "abstract-based hierarchy". Here I add an article "system architecture based on business module components".Some content has been mentioned in "project notes: Dao, web, module boundary and model classification" and "Module Interface Design". I will summarize it here. A system of a certain scale usually breaks down the system to reduce the difficulty of analysi

)throwsservletexception, IOException {request.setcharacterencoding ("Utf-8"); //Get ParametersNews Data=NewNews (); Data.setnewsid (Integer.parseint (Request.getparameter ("NewSID"))); Data.settitle (Request.getparameter ("Title")); Data.setauthor (Request.getparameter ("Author")); Data.setsource (Request.getparameter ("Source")); Data.setcontent (Request.getparameter ("Content")); Data.settime (NewDate (Request.getparameter ("Time"))); //working with Data Try { NewNewsdao ().

secure transfer to slave it will also cause inconsistent data.3. Post-environmental improvementsproxysql-1.3.4 Read/write separationkeepalived-1.2.13MYSQL5.7 MASTERMYSQL5.7 MASTERMYSQL5.7 SLAVE ..... MultipleConfiguration description1. Troubleshooting Data consistency is difficult to guarantee (1)Double 1 resolves the client submission after the database is successfully executed and written to redo log and Binlog, which is a two-phase commit5.7 Enhanced semi-synchronous resolves Master's binlog