Discussion on digital campus closed Technology

In today's meeting, I made several technical suggestions for the third version of the technical solution:
I. System Architecture
1. In the network architecture diagram on page xx, the server group in DMZ must consider the matching of the 6506 core virtual exchange technology of the original device in the transformation of the new network topology, and the resulting network center IP network and San network convergence, the VPN and link load balancing here needs to be designed as a pre-stack mode, in addition, the original ruijie network and access layer equipment should take into account the specific requirements and characteristics of different access layer environments of the school, for example, the network link access and VLAN of the teaching area, library, office building, dormitory, family area, canteen, and fleet have their own design features.
2. It is supported to deploy Oracle RAC nodes based on the dual-blade knife box. However, due to the virtualization environment, the esxi and bare storage device ing and storage resource pool are based on iSCSI, in this way, there is a risk that the backend storage devices may experience performance and ocfs availability Faults due to the Database Cluster design. In addition, this design makes the storage in the purchase list unusable using remote mirror, unless RAC is connected to only one storage, it violates the user's original intention.
3. Backup of vsphere and Rac is not described in the backup environment, so some important matters cannot be confirmed, for example, in such a virtualized dual-esxi environment, multi-node RAC, if you use the backup software, the normal implementation of RMAN backup will cause the Virtual Machine backup and database backup to occupy the performance of Lio and PIO greatly reduced.
4. We recommend that you consider multiple high availability implementations at the Oracle level in different data scenarios. Do not just rely on RAC, but also consider flashback, stream, and dataguard.
Ii. Virtualization
1. An error occurred while using ESX. VMWare does not support the ESX mode after version 4.1. Only the esxi mode is supported.
2. We recommend that you use VMware ft to implement real-time ha for some core non-write data.
3. If the virtualization security model is not taken into account, consider the trend of the company's products.
4. For the next three phases of the headquarters, Hankou, and yujia headers, consider the three-center site recovery Manager
5. In the future, even if there is a leased line, the remote mirrror of the virtualized storage should consider the distance and bandwidth applicability issues.

Iii. Information Platform Standardization
1. The Standardized Design of Data uc matrix and related information fields is not reflected, you can refer to the http://www.ibm.com/developerworks/cn/data/tutorials/dm-1108isqualitystagestddata/index.html of this address.
2. We recommend that you use the centralized mode of public databases. However, the centralized mode includes the ETL data string type of the original database, standardized database, and multi-dimensional cubeview, if heterogeneous data sources are involved, they can be synchronized using the federated mode and Data Synchronization methods such as CDC.
3. A complete and reliable data integration solution is required.

Iv. Security Configuration
1. virtualization platform security
2. Risks and urgent problems arising from public database security audit
V. Cloud Platform
1. Here, only IAAs is implemented, and PAAs needs to be further considered.
2. The cloud resource management and scheduling platform can be implemented based on open-source implementations such as openstack and eucalyptus.

Vi. Business Information Integration
1. So many business subsystems need to be designed. The scientific evaluation of priority and relevance and Coupling Degree determines whether the requirements for "unified planning and step-by-step implementation" are actually implemented, if the implementation of step-by-step science needs to provide ideas and results
2. Is there a good way for data integration, business logic integration, and interface integration to achieve agility and minimize risks, such as the Social-based approach?

Procurement list and configuration of Phase III
1. We recommend that you add wve to the wasnd system, which is suitable for you.
2. There is no basis for the number of HbA cards and the future is insufficient.
3. You need to consider which image mode to use, such as remote image, global image, and virtual disk image, to authorize the storage image. This parameter is not correct yet.

I have provided you with some technical reference for IBM. Please refer to the PDF attachment.