1. Systems are core of a platform where softwares make up web services that appear to be cloud computing.
2. Central to this concept is provider(servers) and recipient/users(clients). In between there can be many layers of other services or subsystems such as acceleration storage, network optimizers, directory services, time servers, and many others.
3. The complexity of this distributed systems often arises from many to many relationships.
4. Network delays & systems failure often complicate things further.
5. Often delays are also caused by virtual layers such as security sockets & communications.
6. Careful considerations are needed to ensure the subsystems and other connected services are manageable and scalable.
7. Often the large data sets and records are stored in multiple subsystems such as different databases using different structures on different physical media & locality.
8. This is the core of why innovators often triumph over existing players. Once built and populated, older systems are very difficult to change or improved.
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