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VIVOTEK
User's Manual - 37
If you want to use "HTTPS Port", please enable the HTTPs settings on the conguration 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
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
real-time audio and video streams. However, network packets may be lost due to network burst
trafc and images may be obscured. Activate UDP connection when occasions require time-sensitive
responses and video quality is less important.
TCP
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
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
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
as TCP and the users need not open a specic port for streaming under some network environment.
Users inside a rewall can utilize this protocol to allow streaming data through.
HTTPS
This protocol enables authentication and encrypted communication over SSL (Secure Socket Layer),
which protects streaming data transmission over the Internet on higer security level.
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