DNP3 Protocol Explained in Details Distributed Network Protocol which is abbreviated DNP3 stack is a set of communication protocols which are commonly used by water and electric companies. DNP3 stack is not common with other companies. The main reason the DNP3 stack was developed is to ease communication between different kinds of equipment that are used to collect data. For supervisory management and control DNP3 protocols are used. To pass data from master stations to Remote terminal units or intelligent electronic Devices (IEDs) the SCADA systems rely heavily on DNP3 protocols. 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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The usefulness of DNP3 protocol is seen in areas where installing electric utility automation systems is a challenge. The use of DNP3 protocol could help overcome the distortion induced by the EMI. DNP3 stack helps improve the lifespan of the aging components. 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. The DNP3 protocol could be interfered with by any malicious person or hacker since it’s not that secure. Due to the level of insecurity associated with DNP3 major critical infrastructure and control systems could come to a standstill if malevolent forces come into play. However, there has been recent development that has contributed to improved security of the DNP3 stack. DNP3 stack has gotten authentication features that assure improved security. The compliance of DNP3 protocol with IEC 62351-5 makes it very suitable. The compliance of DNP3 protocol with the IEC 62351-5 makes it less challenging when switching to either of the two. The suitability of the DNP3 protocol is brought about by its firmness, efficiency and ability to be interoperable than the aged protocols which is as a result of its strong features. The complexity of the DNP3 protocol cannot be compared with any other source code. The DNP3 protocol is among the best stacks since it offers multiplexing, data fragmentation. To check for errors and link control you could use the DNP3 protocol. The DNP3 stack also supports time synchronization with RTU. The sequence of events that happens in between the polls could be received adequately by the DNP3 stack to reconstruct data. Any company should consider in depth the advantages and disadvantages of the DNP3 protocol and indeed any other protocol.