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This is a more generic term that is often used in describing protocols that function at higher levels of the OSI model, ususally the network layer and up. Datagram is a less specific term than PDU.
Datagrams contain logical addressing information, such as an IP address, logical connection identifiers, such as port numbers, and data that came from a computer application. The UDP protocol does not guarantee delivery of the datagrams.
A PDU is a Power Distribution Unit.
I have added a link to a PDU from Intro Delta to show you what one is.
What else can I help you with?
Explain the difference between a PDU and a datagram?
A PDU (Protocol Data Unit) is defined by which layer it is in. In the physical layer and network layer, it is synonymous with the packet, in the data link layer, it is the frame. In the transport layer, it is a datagram for UDP. A datagram holds one or more PDU's, as it is the basic unit of transferring information via packet switching.
What is the difference between a segment and a datagram?
A setgement, which is also known as a TCP segment is something that is created based on an application layer of data. An IP datagram is something generated which contains the TCP segment. The segment is located in the payload section.
What are the difference between transport and communication?
what is difference between communication and transport
What is the difference between classes of IP addresses?
difference between ip address and class
What is the difference between out box and sent items?
the difference is...
Explain the difference between a PDU and a datagram?
A PDU (Protocol Data Unit) is defined by which layer it is in. In the physical layer and network layer, it is synonymous with the packet, in the data link layer, it is the frame. In the transport layer, it is a datagram for UDP. A datagram holds one or more PDU's, as it is the basic unit of transferring information via packet switching.
What is the difference between datagram and packet?
datagram is used in conectionless n/w e.g. UDP Whereas packets used in connection oriented n/w e.g. ATM X.25 tcp
What is the difference between a segment and a datagram?
A setgement, which is also known as a TCP segment is something that is created based on an application layer of data. An IP datagram is something generated which contains the TCP segment. The segment is located in the payload section.
Difference between UDP and PDU?
PDU Information that is delivered as a unit among peer entities of a network and that may contain control information, address information, or data. UPD The User Datagram Protocol (UDP) is one of the core members of the Internet Protocol Suite, the set of network protocols used for the Internet. With UDP, computer applications can send messages, in this case referred to as datagrams, to other hosts on an Internet Protocol (IP) network without requiring prior communications to set up special transmission channels or data paths
What is the PDU at each layer?
Application layer: Data Presentation layer: Data Session layer: Data Transport layer: Segment (TCP) or Datagram (UDP) Network layer: Packet Data Link layer: Frame Physical layer: Bit
The PDU at the Network layer is called?
The PDU at the Network layer is referred to as a packet. A PDU at the Data Link Layer is referred to as a frame.
What are the parts of a pdu that are always present in any pdu?
The Header and the payload The Header and the payload
What is datagram Subnet?
datagram subnet is connection oriented network.
Datagram packet and datagramsocket explain the functions of datagram packet and datagramsocket?
A datagram or packet needs to be self-contained without reliance on earlier exchanges because there is no connection of fixed duration between the two communicating points as there is, for example, in most voice telephone conversations.
In the context of tcpip a packet is also known as?
IP Datagram
The datagram length field in an IPv4 datagram contains which numeric value?
Total number of bytes in the datagram, including the header.The length of an IP datagram itself is technically measured in bytes. The length field represents the size of both the header and the data portions of the datagram.
The maximum size of an IP datagram including the header is?
The datagram length field in an IP header is 16 bits in length. Therefore, the maximum datagram size an IP datagram can support is 2^16 - 1 = 65,535 bytes
