what is the difference between modbus tcp and tcp/ip?
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TCP/IP is the common transport protocol of the Internet and is a set of layered protocols, providing a reliable data transport mechanism between machines. ... The most basic difference between MODBUS RTU and MODBUS TCP/IP is that MODBUS TCP/IP runs on an Ethernet physical layer, and Modbus RTU is a serial level protocol.
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Side note: TCP port 99 uses the Transmission Control Protocol. TCP is one of the main protocols in TCP/IP networks. ... TCP guarantees delivery of data and also guarantees that packets will be delivered on port 99 in the same order in which they were sent.
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Correspondingly, most TCP/IP network equipment comes with an SNMP management agent. SNMP is a request/response protocol. UDP port 161 is its well-known port. SNMP uses UDP as its transport protocol because it has no need for the overhead of TCP.
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Modbus is a defacto industry standard PROTOCOL. CANbus is a hardware w/low level protocol communications standard. CANbus gives you an electrical specification, media specification and how to get data packets across some wires. ... For moving data, Modbus RS485 or preferably Modbus TCP is much more efficient.
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OSI model gives guidelines on how communication needs to be done, while TCP/IP protocols layout standards on which the Internet was developed. So, TCP/IP is a more practical model. In OSI, the model was developed first and then the protocols in each layer were developed.
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Originally Answered: What is the difference between tcp and FTP? TCP is the communication between computer and network which has the four main layers from OSI layers, whereas FTP is the client-server protocol which is the communication between computer to computer for transferring the files.
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ICMP uses the basic support of IP as if it were a higher-level protocol, however, ICMP is actually an integral part of IP. ... ICMP is a network-layer protocol. There is no TCP or UDP port number associated with ICMP packets as these numbers are associated with the transport layer above.
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TCP/IP model is a protocol-oriented standard. ... OSI model gives guidelines on how communication needs to be done, while TCP/IP protocols layout standards on which the Internet was developed. So, TCP/IP is a more practical model. In OSI, the model was developed first and then the protocols in each layer were developed.
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Since UDP doesn't have many requirements, it offers a faster connection. TCP, on the other hand, is slower but more reliable. If you need speed more than reliability, you should use UDP instead of TCP. TCP has provisions for data packet sequencing, acknowledgements, error detection, and correction.
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Explanation: HTTP is an application layer protocol. Whereas TCP is a transport layer protocol.
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The short answer: TCP is a transport-layer protocol, and HTTP is an application-layer protocol that runs over TCP. ... The short answer: TCP is a transport-layer protocol, and HTTP is an application-layer protocol that runs over TCP. Keep reading for the long answer.
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Modbus TCP/IP (also Modbus-TCP) is simply the Modbus RTU protocol with a TCP interface that runs on Ethernet. The Modbus messaging structure is the application protocol that defines the rules for organizing and interpreting the data independent of the data transmission medium.
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TCP/IP uses IP addresses to communicate, and a DNS server resolves oblect to IP addresses for all the transmission based items your network needs to communicate with, like PC's, servers, printers, etc. A domain controller on the other hand holds all of the other information about everything in your network.
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The short answer: TCP is a transport-layer protocol, and HTTP is an application-layer protocol that runs over TCP. ... The short answer: TCP is a transport-layer protocol, and HTTP is an application-layer protocol that runs over TCP.
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Yes, you can use the same port number for both TCP and UDP. ... Technically the port pools for each protocol are completely independent, but for higher level protocols that can use either TCP or UDP it's convention that they default to the same port number.
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TCP/IP stands for Transmission Control Protocol/Internet Protocol. TCP/IP is a set of standardized rules that allow computers to communicate on a network such as the internet.
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Ethernet is a local area technology, a protocol for the Network Layer within the TCP/IP stack. On the other hand, TCP/IP is a protocol suite which are used in the OSI layers for efficient networking between each layer.