TCP/IP and UDP

The transfer of data across an ethernet network is achieved using a communication protocol called TCP This stands for Transport Control Protocol / Internet Protocol. (Note that in this instance internet means inter-network not specifically the Internet). The TCP/IP protocol…

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Subnet Mask

The subnet mask defines which part of the IP represents the network address and which part represents the node address. e.g. a subnet mask of 255.0.0.0 means that the first byte of the IP is the network address and the…

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Port

Actual data transmission on Art-Net uses the UDP protocol that operates ‘on top of’ the TCP/IP protocol. UDP data transfer operates by transferring data from a specific IP:port address on a node or controller to a second specific IP:port address…

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Mac Address

MAC stands for Media Access Control. This is the low level network connection. Every Media Access Control has a MAC Address that allows it to be identified. This address is globally unique and is assigned by the IEEE. Each Media…

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Casting

The term casting is used to describe the different ways in which data can be sent to recipients. In IPv4 there are three methods called: Unicast In unicast a single sender transmits data to a single receiver. Unicast is the…

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DHCP

DHCP stands for Dynamic Host Configuration Protocol. It is used to allocate IP addresses to network devices or Hosts. The DHCP server holds a pool of available IP addresses. When a host requires an IP address, it requests one from…

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IP Address

An IP Address – or Internet Protocol Address is a method to uniquely identify different devices on a network. There are two types of IP addressing known as IPv4 and IPv6. IPv4 is the type in common use as is…

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