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Source Code Library For Communication Protocol Development

DNP3 Protocol or stack is an abbreviation for Distributed Network Protocol which is simply a set of communication protocols used in utilities such as the water and electric companies. It is uncommon for other companies to use DNP3 stack. To ease communication between different types of equipment that are used to collect data it would be wise to use DNP3 stack.

For supervisory management and control DNP3 protocols are used. SCADA systems rely heavily on DNP3 stack especially to pass data from master stations to Remote Terminal Units or intelligent electronic Devices (IEDs).

The way DNP3 stack came about is fascinating. Since the IEC 60870-5 was under development there was a need to have a standard that would permit interoperability between different vendors SCADA components for the electrical grid.
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DNP3 protocol gives dependable communications in the remote areas that are not suitable for installing electric utility automation systems. The use of DNP3 protocol could help overcome the distortion induced by the EMI. The aging components could be made to last longer by using the DNP3 stack. Drastic improvement in transmitting of data would be witnessed when DNP3 protocol is used.
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The reliability of the DNP3 stack cannot be questioned. However, its security is questionable. Malicious people or hackers could interfere with the DNP3 protocol. So control systems and critical infrastructure could be interfered with especially if the DNP3 stack is the major communication protocol. Improved security of the DNP3 stack has somehow reassured their use. Improved security brought about by the authentication features that have been added to the DNP3 stack assures the usage of this protocol. The compliance of DNP3 protocol with IEC 62351-5 makes it very suitable. Just by adding a few features you would not have to change DNP3 protocol if you want to incorporate IEC 62351-5.

Firmness, efficiency and ability to be interoperable than the aged protocols makes DNP3 very suitable. The complexity of the DNP3 protocol cannot be compared with any other source code.

If you need a protocol that offers multiplexing and data fragmentation you need to settle for DNP3 stack. DNP3 protocol is good since it could help check for errors and link control.

Time synchronization with a RTU could be supported by the DNP3 stack. The sequence of events that happens in between the polls could be received adequately by the DNP3 stack to reconstruct data. It is important that a thorough analysis of various protocols is carried out to ensure that they indeed good enough.