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Network topology is the topological [4] structure of a network and may be depicted physically or logically. It is an application of graph theory [3] wherein communicating devices are modeled as nodes and the connections between the devices are modeled as links or lines between the nodes.

Network segmentation in computer networking is the act or practice of splitting a computer network into subnetworks, each being a network segment. Advantages of such splitting are primarily for boosting performance and improving security. Contents 1 Advantages 2 Improved security 3 Controlling visitor access 4 Means of segregation 5 See also

The network model is a database model conceived as a flexible way of representing objects and their relationships. Its distinguishing feature is that the schema, viewed as a graph in which object types are nodes and relationship types are arcs, is not restricted to being a hierarchy or lattice .

Advantages and Benefits Resilience Resilient Overlay Networks (RON) are architectures that allow distributed Internet applications to detect and recover from disconnection or interference. Current wide area routing protocols that take at least several minutes to recover from are improved upon with this application layer overlay.

Network governance involves a select, persistent, and structured set of autonomous firms (as well as nonprofit agencies) engaged in creating products or services based on implicit and open-ended contracts adapt to environmental contingencies and to coordinate and safeguard ex-changes. These contracts are socially—not legally—binding.

A network operating system (NOS) is a specialized operating system for a network device such as a router, switch or firewall.. Historically operating systems with networking capabilities were described as network operating systems, because they allowed personal computers (PCs) to participate in computer networks and shared file and printer access within a local area network (LAN).