what is the difference between packet & message switching?
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As in message switching, one single datagram is either received or lost. One single network path is used for the same. In packet switching, many packets generated by same node and belonging to the same destination may take different paths.
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Difference between TCP and UDP It is a connectionless protocol. TCP reads data as streams of bytes, and the message is transmitted to segment boundaries. UDP messages contain packets that were sent one by one. It also checks for integrity at the arrival time.
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Gateways allow users to communicate across different networks and send data back and forth. Switches, on the other hand, facilitate resource sharing by connecting devices together. They receive information from source and dispatch that information to the intended destination only.
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In general, forwarding refers to a device sending a datagram to the next device in the path to the destination, switching refers to moving a datagram from one interface to another within a device, and routing refers to the process a layer-3 device uses to decide on what to do with a layer-3 packet.
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Process switching is the oldest, slowest and most processor intensive. In fast switching, the first packet to a destination is process switched but subsequent packets are forwarded using the information stored in the fast cache. Finally, CEF pre-builds the cache before any packets need to be forwarded.
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What is the fundamental difference between a router and link-layer switch? A network-layer packet is a datagram. A router forwards a packet based on the packet's IP (layer 3) address. A link-layer switch forwards a packet based on the packet's MAC (layer 2) address.
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Packet switching is a method of grouping data that is transmitted over a digital network into packets. Packets are made of a header and a payload. Data in the header is used by networking hardware to direct the packet to its destination where the payload is extracted and used by application software.
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There are some fundamental differences between TCP and UDP sockets. UDP is a connection-less, unreliable, datagram protocol (TCP is instead connection-oriented, reliable and stream based). There are some instances when it makes to use UDP instead of TCP.
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Switching is process to forward packets coming in from one port to a port leading towards the destination. When data comes on a port it is called ingress, and when data leaves a port or goes out it is called egress. A communication system may include number of switches and nodes. ... Data is then forwarded on that circuit.
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The difference is that TCP is responsible for the data delivery of a packet , it guarantees that packets will be delivered in the same order in which they were sent. and IP is responsible for the logical(IP) addressing, IP protocol deals only with packets.
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Switching is process to forward packets coming in from one port to a port leading towards the destination. When data comes on a port it is called ingress, and when data leaves a port or goes out it is called egress. A communication system may include number of switches and nodes.
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2 Answers. ICMP is a control protocol, meaning that it designed to not carry application data, but rather information about the status of the network itself. ... UDP, on the other hand, is a connection-less protocol. Communication is datagram oriented, so the integrity is guaranteed only on the single datagram.
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ICMP is a control protocol, meaning that it designed to not carry application data, but rather information about the status of the network itself. ... The main difference between TCP and UDP is that TCP is a connection oriented protocol, it guarantees that all sent packets will reach the destination in the correct order.
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"The transport layer is responsible for process-to-process delivery of the entire message, whereas the network layer oversees host-to-host delivery of individual packets."
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Network switching is the process of channeling data received from any number of input ports to another designated port that will transmit the data to its desired destination. The device through with the input data passes is called a switch.
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Switching Algorithms. MultiNet services packets on all networks by staying on each of them for a certain Activity Period before switching to the next network. We describe the switching algorithms below. Subsections. Strategies.
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Switching involves moving packets between devices on the same network. Conversely, routing involves moving packets between different networks. ... A switch maintains a database of MAC addresses and what port they are connected to. Routers, on the other hand, operate at layer 3 of the OSI Model.