Co-Location, also known as “colo,” is the practice of renting space for your servers and computing hardware at a third-party data center. Secure co-location services include the facility, networking, physical security, and redundant power and cooling components. These systems support the servers and storage that you provide.
Using secure co-location services eliminates the capital expenditures (CAPEX) of building and maintaining your own facility. It allows you to retain ownership and full control of your physical servers. However, you must still handle upfront hardware costs and may face higher travel expenses when engineers need to access the equipment