Vivotek ND8401 User Manual page 37

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NOTE:
If you want to use "HTTPS Port", please enable the HTTPs settings on the configuration page of a web console

with a Network Camera. Refer to the camera's User Manual for details.
The characteristics of each protocol are shown in the following table:

Protocol Description
UDP uses a simple transmission model without implicit hand-shaking dialogues for guaranteeing
reliability, ordering, or data integrity. Thus, UDP provides an unreliable service and data grams may
arrive out of order, appear duplicated, or go missing without notice. This protocol allows for almost
UDP
real-time audio and video streams. However, network packets may be lost due to network burst
traffic and images may be obscured. Activate UDP connection when occasions require time-sensitive
responses and video quality is less important.
TCP provides the service of exchanging data reliably directly between two network hosts, whereas IP
handles addressing and routing message across one or more networks. In particular, TCP provides
reliable, ordered delivery of a stream of bytes from a program on one computer to another program
TCP
on another computer. This protocol guarantees the delivery of streaming data and thus provides
better video quality. The downside with this protocol is that the real-time effect is worse than that with
UDP for a narrower bandwidth.
HTTP is a networking protocol for distributed, collaborative, hypermedia information systems. It's the
foundation of data communication for the World Wide Web. This protocol allows for the same quality
HTTP
as TCP and the users need not open a specific port for streaming under some network environment.
Users inside a firewall can utilize this protocol to allow streaming data through.
This protocol enables authentication and encrypted communication over SSL (Secure Socket Layer),
HTTPS
which protects streaming data transmission over the Internet on higer security level.
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VIVOTEK
2010/12/10 17:08:56
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User's Manual - 37