Data is the most important asset of an enterprise. As the central system of an enterprise network, the data center gathers the most expensive servers, storage and network equipment, and undertakes increasingly important tasks. In an enterprise’s IT infrastructure, the data center is the central control center for data and business applications. The construction of the data center should be oriented to the development of enterprise business and provide comprehensive business support for the enterprise. This support covers customer, enterprise business, enterprise data and decision support. Currently, we are in an era of information explosion, and the amount of data storage is not only calculated in KB, MB, GB or even TB. In the near future, what people are talking about will be PB (1petabyte=1,000terabytes) Even EB (1exabyte=1,000petabytes). Therefore, building a complete, high-standard data center that meets current and future requirements needs to meet the following requirements for 10G Data Center:
◆ High performance – to meet the current network transmission requirements, support at least 1G or 10G or even higher transmission rate.
◆ High reliability – an open system based on standards, which has been tested in advance to ensure that the system is stable and reliable.
◆ High density – saves space and facilitates heat dissipation of equipment.
◆ Maintainability – beautiful and elegant, adapt to frequent demand changes, and facilitate MAC maintenance.
◆ Scalability – fully consider future business growth and support future expansion needs.
10G Data Center Construction Suggestion
The international standard TIA-942 on data centers was officially approved and released in April 2005, named: ” 10 g Data Center Telecom Infrastructure Standard”, which discusses the spatial layout and wiring management of enterprise-level data centers. problems, and put forward design specifications and some suggested solutions for the planning and construction of data centers. Provides specifications and recommendations for data center security, electrical, grounding, mechanical and fire protection, and building structural layout.
(1) ER, which provides the interconnection between the data center and the external network. The service provider (SP) connection first goes to the ER. In many data centers, the ER is placed directly in the computer room (CR). For security reasons, the access room (ER) is best separated from the computer room.
(2) MDA is the core management area of the data center, generally located at the location of the CR center. MDA includes core routers, core switches, PBXs, IMux, cabinets/racks, etc. According to the recommendations of the standard, the fiber distribution frame and the copper distribution frame should be installed in different cabinets/racks. The MDA should be designed as far as possible in the center of the computer room, so as not to exceed the 90m wiring distance requirement. The MDA area patch panel can be installed into a cabinet or rack. The benefits of the cabinet are safety and aesthetics, and the benefits of the rack are heat dissipation and convenient management.
(3) HDA is the horizontal management area of the data center, which is generally located in the CR center. HDA includes LAN switches, horizontal distribution frames, etc. The information points managed by one HDA generally do not exceed 2000, which is the same as that of MDA and HDA fiber distribution frames. and copper patch panels should be separated. More than 2000 information points, need to set up multiple HDAs
More than 2000, need to set up multiple HDAs.
(4) EDA, an area used to store equipment, including network equipment and communication equipment. In order to facilitate heat dissipation, the cabinets/racks in the EDA area are reasonably placed according to the ventilation area (cool aisle) and the non-ventilation area (hot aisle).
(5) ZDA is located in the middle of EDA and HDA. ZDA is suitable for areas where equipment often moves or changes. ZDA can be a cabinet or rack, or a collection point box (installed on a column, under the floor or on a movable floor).
The TIA/EIA-942 standard gives many recommendations for 10g data center cabling:
◆ Fully consider future growth needs and reserve sufficient space for expansion.
◆ Using single-mode or OM3 multi-mode fiber (10GBase SR 300m).
◆ Use Cat6 (10GBase-T 37m) or Cat6A copper cable or Cat6A shielded copper cable (10GBase-T100m).
◆ Adopt high-density, modular wiring system (such as MPO, MRJ21).
◆ The data center belongs to the “forced ventilation” area, and it is recommended to use CMP/OFNP fire rated cables for wiring.
◆ Based on the convenience of management, different cabinets/racks should be used for optical fiber, twisted pair and coaxial cable.