![]() Virtual routers typically run on commodity servers, either alone or packaged with other virtual network functions, like firewall packet filtering, load balancing and wide area network ( WAN) optimization capabilities. In contrast, a virtual router is a software instance that performs the same functions as a physical router. Traditional routers are stand-alone devices that use proprietary software. In the Open Systems Interconnection ( OSI) model, routers are associated with the network layer (Layer 3). Hundreds of routers might forward a single packet as it moves from one network to the next on the way to its final destination. ![]() ![]() It is positioned where two or more networks meet at each point of presence on the internet. A router inspects a given data packet's destination Internet Protocol address (IP address), calculates the best way for it to reach its destination and then forwards it accordingly.Ī router is a common type of gateway. ![]() A router is a physical or virtual appliance that passes information between two or more packet-switched computer networks.
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