Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Questions > Packets of the same session may be routed thr...
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Packets of the same session may be routed through different paths in
- a)TCP, but not UDP
- b)TCP and UDP
- c)UDP, but not TCP
- d)Neither TCP nor UDP
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Packets of the same session may be routed through different paths in&#...
TCP and UDP both are transport layer protocol: Both provide end to end connectivity but not give guarantee to pass the packet with the same path.
Most Upvoted Answer
Packets of the same session may be routed through different paths in&#...
Explanation:
In computer networking, packets are the basic units of data that are transmitted over a network. They contain the payload (data) as well as the necessary information for routing and delivering the data to the intended destination.
Routing in TCP:
TCP (Transmission Control Protocol) is a reliable and connection-oriented protocol. It establishes a connection between two endpoints before transmitting data. The packets in a TCP session are sent in a sequential order and they are received at the destination in the same order. TCP ensures that the packets are delivered reliably and in order by using mechanisms like acknowledgment, retransmission, and flow control.
When it comes to routing, TCP packets are routed based on the IP addresses and port numbers of the source and destination. Once the connection is established, the routing path remains fixed for the duration of the session. This means that all the packets of a TCP session will follow the same path from the source to the destination. Therefore, packets of the same TCP session will be routed through the same path.
Routing in UDP:
UDP (User Datagram Protocol) is a connectionless and unreliable protocol. It does not establish a connection before transmitting data and does not guarantee delivery or order of packets. Each UDP packet is independent and can take a different path to reach the destination. UDP does not have any built-in mechanisms for acknowledgment, retransmission, or flow control.
Since UDP does not maintain any connection state, the packets of a UDP session can be routed through different paths. The routing decisions are made by the routers based on factors like network congestion, availability of routes, and load balancing. Therefore, it is possible for packets of the same UDP session to take different paths.
Conclusion:
In conclusion, packets of the same session may be routed through different paths in both TCP and UDP. However, TCP ensures that the packets are delivered reliably and in order, while UDP does not provide such guarantees.
In computer networking, packets are the basic units of data that are transmitted over a network. They contain the payload (data) as well as the necessary information for routing and delivering the data to the intended destination.
Routing in TCP:
TCP (Transmission Control Protocol) is a reliable and connection-oriented protocol. It establishes a connection between two endpoints before transmitting data. The packets in a TCP session are sent in a sequential order and they are received at the destination in the same order. TCP ensures that the packets are delivered reliably and in order by using mechanisms like acknowledgment, retransmission, and flow control.
When it comes to routing, TCP packets are routed based on the IP addresses and port numbers of the source and destination. Once the connection is established, the routing path remains fixed for the duration of the session. This means that all the packets of a TCP session will follow the same path from the source to the destination. Therefore, packets of the same TCP session will be routed through the same path.
Routing in UDP:
UDP (User Datagram Protocol) is a connectionless and unreliable protocol. It does not establish a connection before transmitting data and does not guarantee delivery or order of packets. Each UDP packet is independent and can take a different path to reach the destination. UDP does not have any built-in mechanisms for acknowledgment, retransmission, or flow control.
Since UDP does not maintain any connection state, the packets of a UDP session can be routed through different paths. The routing decisions are made by the routers based on factors like network congestion, availability of routes, and load balancing. Therefore, it is possible for packets of the same UDP session to take different paths.
Conclusion:
In conclusion, packets of the same session may be routed through different paths in both TCP and UDP. However, TCP ensures that the packets are delivered reliably and in order, while UDP does not provide such guarantees.
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