Architectural redundancy addresses the internal design of a partner's various data centers. The better the design, the greater the redundancy and the more likely that serious component failure will go unnoticed by your e-business B2B application. Data centers within large corporations often include redundant switches and routers to keep business operational in case one switch fails. ISPs need to deploy the same strategy in regards to their own switches and routers. Of the data centers that I have reviewed, many had a primary source of power from a major electric company plus diesel generator backup, including a direct line to a diesel energy source.
Physical security addresses the issue of deliberate or unintended compromise of business data.
Data centers should use identity badges and cameras to ensure that co-located equipment is not being tampered with. It is also important that systems are not pilfered in order to obtain confidential business data. Operational and network security addresses computer access to co-located equipment. Only authorized ISP administrators, company administrators and company Web-content providers should have access to this equipment through the Internet. Also, since most threats tend to be initiated from within one's own company, it's critical that the service provider keep records of which personnel have had access to corporate data, and when.