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Sigma - Impact and requirements on an IT network.


General information about the Impact on an IT network, when Sigma utilizes it.








General Information.


1 - Sigma is very IT-friendly and complies with the following IETF (Internet Engineering Task Force) standards:

  • RFC 791: Internet Protocol (IP)
  • RFC 972: Internet Control Message Protocol (ICMP)
  • RFC 826: Address Resolution Protocol (ARP)
  • RFC 950: Subnet Mask
  • RFC 1256: Router Discovery
  • RFC 768: User Datagram Protocol (UDP)
  • RFC 1058: Routing Information Protocol (RIP)

2 - Sigma will utilize 1 - 2% of a 100M Ethernet connection.

3 - The Sigma system use peer to peer communications, therefore communications between devices will only occur when required by the system or user.

4 - Devices can operate as stand alone for long periods, in the event of network problems.

5 - Controllers can be restricted on how often global data is passed to other controllers.

6 - Sigma Remote Clients will poll the Sigma Server to ensure the connection is still there.

7 - Messages between the server and the controllers / DNN's / IC's all use UDP (User defined protocol) messages, their sizes will vary dependent on the message.
8 - Client to Server messages are TCP Transmission control protocol), and again the message size varies.

9 - Sigma uses ports 49152, 3614, 80 and 8080.

10 - Sigma V53 devices communicate at 10M half Duplex.

11 - Sigma ARM devices negotiate a communications speed, starting at 100M half Duplex, then moving to 10M full Duplex, and finally 10M half Duplex.

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Last update:
‎2018-09-06 11:18 PM
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