subject: 5 Design Considerations for Network Engineers [print this page] As a good friend of mine once wrote, layer 8 of the OSI model is the user's expectation. High speed and high availability are defined by business requirement and user expectation. Just as network response speeds ten years ago would no longer be acceptable today, your network design should cater for the expectation that new networks will be responsive and available by virtue of the fact that they are new.
