Layer three In the OSI model, the layer that is responsible for routing data across the network.
The third of seven layers of the ISO/OSI model for computer-to-computer communications, the network layer defines protocols for data routing to ensure that the information arrives at the correct destination node.
Layer 3 in the OSI model. The Network Layer is responsible to make sure that packet is sent to its destination within an acceptable time period. Routing and addressing are performed in the Network Layer. IP, IPX, AppleTalk are examples of Layer 3 protocols. Also see OSI model.
Layer 3 of the OSI (Open Systems Interconnection) model; it defines protocols governing data routing.
Layer 3 of the ASAI protocol stack. The internal functions of this layer include the preparation of data for transmission across the physical link and accepting data from the link and preparing it for the Presentation Layer. (See also Presentation Layer.)
In OSI architecture, the layer that provides services to establish a path between open systems with a predictable quality of service. (T)
The third of the seven layers in the International Organization for Standardization's open systems interconnection model for standardizing computer-to-computer communications.
Layer 3 in the Open System Interconnection (OSI) architecture that provides network information that is independent from the lower layers; the layer that provides services to establish a path between open systems.
Layer 3 of the OSI reference model. This layer is where all routing occurs.
The logical network entity that services the transport layer in the OSI model. It is responsible for ensuring that data passed to it from the transport layer is routed and delivered through the network.
The third layer of the OSI reference model. This layer is responsible for controlling message traffic.
Layer 3 in the OSI model; permits communications between network nodes in an open network.
(in OSI)-In the Open Systems Interconnection (OSI) communications model, the Network layer addresses the interconnection of networks. It is one of the layers near the middle of the model.
Layer in a communications protocol. For example, Network layers do the job of routing/switching data transmitted within the protocol.
Layer 3 of OSI Reference Model. Responsible for routing data through a communication network.
A layer that addresses messages and translates logical addresses and names into physical addresses. It also determines the route from the source to the destination computer and manages traffic problems, such as switching, routing, and controlling the congestion of data packets.
See Open Systems Interconnection--Reference Model.
Layer 3 of the seven-layer OSI model. The network layer plans the routing of packets and is responsible for addressing and delivering messages from the sender to the final destination. A simple network comprised of a few LANs linked by bridges would not need a Layer 3 at all, because there is no routing involved.
Level Three in the OSI stack responsible for the necessary routing and relaying through one or more networks in multiple link or wide area environments.
The OSI layer that is responsible for routing, switching, and subnetwork access across the entire OSI environment.
Third layer of the OSI model of data communications, sometimes called the packet layer. See also OSI Standards.
In the OSI protocol layering model, the network layer (layer 3) is the layer above the data link layer. Protocols for this layer describe methods for transferring information between computers. They also describe how data is routed within and between networks. One protocol used at this layer for ISDN applications is CCITT recommendation Q.931. See also data link layer, Q.931.
n. The third of the seven layers in the ISO/OSI model for standardizing computer-to-computer communications. The network layer is one level above the data-link layer and ensures that information arrives at its intended destination. It is the middle of the three layers (data-link, network, and transport) concerned with the actual movement of information from one device to another. See also ISO/OSI model.
Network Layer is a layer in the Transport Control Protocol / Internet Protocol (TCP/IP) reference model that controls the flow of information between the application layer and the physical layer.
A layer in the OSI reference model. The network layer provides address resolution and routing protocols. Address resolution enables the network layer to determine a unique network address for a node. Routing protocols allow data to flow between networks and reach their proper destination. Examples of network layer protocols are Address Resolution Protocol (ARP), Datagram Delivery Protocol (DDP), Internet Control Message Protocol (ICMP), Interior Gateway Protocol (IGP), Internet Protocol (IP), Internetwork Packet Exchange (IPX) and Packet Layer Protocol (PLP).
Layer three of the OSI Reference Model, controlling communication links and data routing across one or more links. This layer receives data that has been framed by the Data Link layer below it, converts this data into packets, and passes the result to the Transport layer that directs the packets to their destination.
Layer 3 of the OSI reference model. This layer provides connectivity and path selection between two end systems. The network layer is the layer at which routing occurs. Corresponds roughly with the path control layer of the SNA model. See also application layer, data link layer, physical layer, presentation layer, session layer, and transport layer.
The third of severn layers of the International Standards Organization's Open Systems Interconnection (ISO/OSI) model for computer-to-computer communications. The network layer defines protocols fo ... more
The network layer is level three of the seven level OSI model as well as of the five layer TCP/IP reference model. In the four layer TCP/IP reference model it is called Internet layer, which is the second layer from below. It responds to service requests from the transport layer and issues service requests to the data link layer.