Vivotek VS3102 - Manual (Page 35)

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Client Setting
There are two settings for the client side. One is “Media Option” for users to determine if audio should
be muted. The other is “Protocol Option” which allows choices on connection protocol between client
and server. There are three protocols choices to optimize your usage - UDP, TCP and HTTP.
The UDP protocol allows for more real-time audio and video streams. However, some packets may be
lost due to network burst traffic and images may be obscured.
The TCP protocol allows for less packet loss and produces a more accurate video display. The downside
with this protocol is that the real-time effect is worse than that with the UDP protocol.
The HTTP protocol must be selected if the network is protected by a firewall and it only allows HTTP
Port (80) to be opened. In this mode, audio will not be sent and only video is operational. If no special
need is required, UDP protocol is recommended. Generally speaking, the client’s choice will be in the
order of UDP TCP HTTP. After the Video Server is c onnected successfully, “Protocol Option”
will indicate the selected protocol. The selected protocol will be recorded in the user's PC and will be
used for the next connection. If the network environment is changed, or the user wants to let the web
browser to detect again, manually select the UDP protocol, save, and return HOME to re-connect.