Simplifying Concepts

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Difference between Connection Oriented and Connectionless

Difference between Connection Oriented and Connectionless.

Compare Connection Oriented and Connectionless.

Differentiate/Compare/ Difference between Connection Oriented and Connectionless.

Protocol/Criteria

Connection-Oriented

Connectionless

Resource Allocation:

Resources need to be allocated.

No prior allocation of resource is required.

Utilization:

It often leads to low or underutilization of resources.

It ensures optimal usage of resources.

State info:

Lot of state related information needs to be stored.

Not much of information is required as packets are sent randomly.

Reliability:

It ensures reliable transfer of data.

Reliability is not guaranteed as it is a best effort service.

Connection:

Prior connection needs to be established.

No prior connection is established.

Delay:

There is more delay in transfer of information, but once conn. established faster delivery.

However there is no delay due absence of connection establishment phase.

Packet travel:

In this packets travel to their destination node in a sequential manner.

In this packets reach the destination in a random manner.

Congestion:

Congestion is not at all possible.

It is likely that congestion occurs.

Signalling:

Connection is established through process of signalling.

There is no concept of signalling.

Suitability:

It is suitable for long and steady communication.

It is suitable for bursty transmissions.

Transfer mode:

It can be implemented either using Circuit Switching or VCS.

It is implemented using Packet Switching.

Retransmission:

It is possible to retransmit the lost data bits.

It is not possible.

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