DF3000IP(-DN) / DF3000IP(-DN) CasinoCam
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Dallmeier electronic
10.3.2
Multicast / unicast
If a Mode with Multicast is selected, the undirected video and audio stream will be fed into
the network.
In this case the data packets will have the multicast IP address and the port of the sender
(server). The potential receiver (client) will only accept these packages if the same port is
configured to receive and it knows the IP address of the server.
In this case, first enter a Multicast IP Address. The address range for multicast is between
224.0.0.0 and 239.255.255.255.
IMPORTANT
Certain addresses in the multicast address range are reserved
for special purposes. If you have any doubt, contact your
network administrator.
Set a suitable Port through which you wish to send the data packets.
If, on the other hand, you select a Mode with Unicast, the video and audio stream will only
be sent to a specific receiver (client).
In this case, therefore, you must enter the client’s IP address and port as Unicast IP Address
and Port.
10.3.3
Range restriction
The so-called “Time to Live“ value can be fixed in the TTL box. This value specifies how far
a data packet can spread in the network. The TTL is reduced by one by each router through
which a packet is routed. If the TTL is zero, the packet is discarded.
This method means that packets that move to and from between two computers due to
routing errors are removed from the network.
On the other hand, this can prevent a data packet bursting the limits of the LAN and being
sent into the WAN (TTL = 1).
You can enter a TTL of 1 – 255, depending on your requirements. If you enter 0 (zero) the
default values are used (TTL = 1 for multicast, TTL = 64 for unicast).
10.3.4
Packet size
The size of the data packets to be sent is set in Packet size. To optimize the transmission
times (delay) of the data packets, the packet size should be set to 2048 bytes.
The larger a packet’s size, the more time it can take until the packet is “complete“ and ready
for transmission. This can lead to a delay that results in a “jumpy“ video stream.
The smaller the data packets are, the greater the network overhead.