| In the jet age communication and data access are | | | | Control on Climate |
| two most important factors for business operations. | | | | Design of the colocation facility itself affects the |
| Email, messaging websites and servers have to be up | | | | performance of the systems used in the colocation |
| 24x7 and they should be protected for business | | | | facility. Air flow between rack rows should be |
| communication to function. Specially Data Centers | | | | controlled by the server rooms. Hot air generated |
| which have servers with mission critical information. | | | | due to the heat produced by the servers should be |
| Most important are company databases and servers, | | | | blown in one direction and cool air to keep the |
| which should be kept up at any cost. Important | | | | servers cool should exit from another direction. Only |
| factors in a colocation facility are: Equal Distribution of | | | | dedicated hot and cols air flow can save the servers |
| Traffic | | | | from overheating and finally burning down. Cold sir |
| Both hardware and logic of distribution has an | | | | and humidity is controlled by correctly sized and |
| important effect on connectivity. The way traffic is | | | | redundant climate control units. As we all know |
| divided plays an important role in the performance of | | | | climate requirements for the server are strict and |
| routing. If your distribution covers three below given | | | | they only work properly when they are installed |
| points than it is perfect: | | | | under suitable working environment. Servers need |
| - Switches and routers should be redundant and be | | | | 50% humidity and 70 degrees of temperature. Both |
| working on full working for the customers. | | | | CRAC units and chillers for the server rooms should |
| - Distributions should be done between more than | | | | be included in a Colocation facility. Cooling capacity is |
| 4-5 clients. | | | | calculated by total tonnage by the square footage. |
| - In order to continually adjusting routes to find the | | | | Power Required |
| most effective one Performance based distribution is | | | | Power to the colocation is like oxygen to the |
| should be used. Performance based concentrates on | | | | humans, if it fails to perform then you are in deep |
| performance rather then price. | | | | trouble. UPS and generators should be used for |
| Best Connectivity | | | | backup and they are necessary to keep the network |
| Major points which decides the Internet Connectivity | | | | online. UPS are used when power is shifted from |
| of a colocation facility are as follows: | | | | regular to the generators. Generators should be there |
| - Accessible Internet backbones | | | | 24X7 for immediate backup power. Power system of |
| - Packet loss, jitter and Latency | | | | a colocation facility should be properly working and |
| - Uptime guarantee | | | | should have following features for perfection: |
| - Total Bandwidth available for usage Carrier-neutral | | | | - Generator which can handle at least 1.5 time the |
| access and Tier -1 carriers, tier-2 carriers all get | | | | total building load |
| access to internet using Colocation data centers. | | | | - Redundant and multiple UPS because of the reason |
| Carrier-neutral can be used by any service from any | | | | UPS fails very oftenly. |
| carrier but customers are requested to configure | | | | |
| their own routing. Also customers are should maintain | | | | Redundant Systems |
| their own connections to Internet backbones. Tier-1 | | | | Systems used in colocation hosting should be |
| is used by Internet giants like AT&T for direct | | | | redundant and at every point of working they should |
| access. Tier-2 is used for routing traffic amongst the | | | | have proper capacity. Many people get confused with |
| multiple Tier-1 providers. In these kind of tiers speed | | | | multiple units considering them as redundancy. Ideal |
| and reliability depends on how effectively traffic is | | | | configuration for systems used in colocation facilities |
| routed. Tier-2 is preferred by most of the clients | | | | should be n+1, which means that if there are two |
| since routing is configured by the Colocation facility. | | | | units they should run at 50% capacity, and in any |
| Also it is more reliable because of the presence of | | | | case if one fails other will handle the load. Same if |
| backbones, these backbones network performance | | | | there are three units working capacity should be |
| and uptime. | | | | 66%. |