User manual

DNS (Domain Name System)
Domain Name System identifies each computer as a network node on the Internet
using an Internet protocol address system to translate from domain name to IP
address and vice-versa.
DDNS (Dynamic Domain Name System)
Dynamic DNS (DDNS) service enables clients and servers to automatically
register themselves in the database without needing administrators to manually
define records.
Multicast
Multicast is the technique that allows network data from a single source to be
simultaneously transmitted to a selected set of destinations (also called a host
group). A main advantage of multicast is that it saves network bandwidth by
sending only one copy of data over the network.
- 73 -