Differentiated service is a design strategy for network traffic that separates it into categories or classes, allowing for efficient resource allocation. Common classes include IP addresses, schedules, and application ports. This approach allows for high performance and continued functionality, but may have potential liabilities.
In computing, differentiated service is a type of design strategy that allows network traffic to be separated into different categories or classes. This approach can be very useful in terms of understanding the nature of traffic on a given network and allocating resources so that each class can be handled with the greatest degree of efficiency. Software design patterns often allow for some sort of differentiated service application, allowing different types or classes of traffic to run on a single network without creating any kind of transfer issues.
There are a number of classes commonly associated with differentiated service. Among those typical of most networks are the local Internet protocol or IP addresses, the IP addresses of the clients used in the network, and the schedule associated with the network used to process incoming and outgoing information. Items such as the type of application ports used with the network and the protocol settings related to different data transfers within the network would also be considered a differentiated service.
Generally, all traffic that conforms to the same basic protocols will enjoy the same category or classification. By qualifying the type of traffic used in different applications and to perform various tasks, the process of allocating resources so as not to lead to performance issues with other running applications is minimized. For this reason, many networks are designed to recognize both the class and the performance of programs that use those classes. When a differentiated service operates at the highest possible level of performance, the overall functionality of the network or system is likely to remain quite high.
A key benefit of a differentiated service approach is that the hardware and software included in the network can continue to function regardless of what is happening with other classes or categories of services. This means that routers will continue to function normally regardless of what is happening with other applications running as part of the network. While this benefit is significant, a differentiated service configuration is not without potential liabilities. For example, it is sometimes difficult to identify exactly how different routers relate to each other, meaning that it may not be possible to fully retrieve the details of how information packets are handled at both the point of origin and the point of termination. If there is some kind of problem with passing data packets, this could create additional resource consumption which could slow down some tasks for a short period of time.
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