ZyXEL NBG-417N 用户手册
Chapter 16 Bandwidth Management
NBG-417N User’s Guide
157
16.5.3 Predefined Bandwidth Management Services
The following is a description of the services that you can select and to which you
can apply media bandwidth management in the Management > Bandwidth
MGMT > Advanced screen.
can apply media bandwidth management in the Management > Bandwidth
MGMT > Advanced screen.
Apply
Click Apply to save your customized settings.
Reset
Click Reset to begin configuring this screen afresh.
LABEL
DESCRIPTION
Table 55 Media Bandwidth Management Setup: Services
SERVICE
DESCRIPTION
FTP
File Transfer Program enables fast transfer of files, including large files
that may not be possible by e-mail. FTP uses port number 21.
that may not be possible by e-mail. FTP uses port number 21.
WWW
The World Wide Web (WWW) is an Internet system to distribute
graphical, hyper-linked information, based on Hyper Text Transfer
Protocol (HTTP) - a client/server protocol for the World Wide Web. The
Web is not synonymous with the Internet; rather, it is just one service
on the Internet. Other services on the Internet include Internet Relay
Chat and Newsgroups. The Web is accessed through use of a browser.
WWW uses port 80.
graphical, hyper-linked information, based on Hyper Text Transfer
Protocol (HTTP) - a client/server protocol for the World Wide Web. The
Web is not synonymous with the Internet; rather, it is just one service
on the Internet. Other services on the Internet include Internet Relay
Chat and Newsgroups. The Web is accessed through use of a browser.
WWW uses port 80.
Telnet
Telnet is the login and terminal emulation protocol common on the
Internet and in UNIX environments. It operates over TCP/IP networks.
Its primary function is to allow users to log into remote host systems.
Telnet uses port 23.
Internet and in UNIX environments. It operates over TCP/IP networks.
Its primary function is to allow users to log into remote host systems.
Telnet uses port 23.
E-Mail
Electronic mail consists of messages sent through a computer network
to specific groups or individuals. Here are some default ports for e-mail:
to specific groups or individuals. Here are some default ports for e-mail:
POP3 - port 110
SMTP - port 25
VoIP (SIP)
Sending voice signals over the Internet is called Voice over IP or VoIP.
Session Initiated Protocol (SIP) is an internationally recognized
standard for implementing VoIP. SIP is an application-layer control
(signaling) protocol that handles the setting up, altering and tearing
down of voice and multimedia sessions over the Internet.
Session Initiated Protocol (SIP) is an internationally recognized
standard for implementing VoIP. SIP is an application-layer control
(signaling) protocol that handles the setting up, altering and tearing
down of voice and multimedia sessions over the Internet.
SIP is transported primarily over UDP but can also be transported over
TCP, using the default port number 5060.
TCP, using the default port number 5060.
BitTorrent
BitTorrent is a free P2P (peer-to-peer) sharing tool allowing you to
distribute large software and media files using ports 6881 to 6889.
BitTorrent requires you to search for a file with a searching engine
yourself. It distributes files by corporation and trading, that is, the client
downloads the file in small pieces and share the pieces with other peers
to get other half of the file.
distribute large software and media files using ports 6881 to 6889.
BitTorrent requires you to search for a file with a searching engine
yourself. It distributes files by corporation and trading, that is, the client
downloads the file in small pieces and share the pieces with other peers
to get other half of the file.
Gaming
Online gaming services lets you play multiplayer games on the Internet
via broadband technology. One example is Microsoft’s Xbox Live, which
uses port 3074. As of this writing, your NBG-417N supports Xbox,
Playstation, Battlenet and MSN Game Zone.
via broadband technology. One example is Microsoft’s Xbox Live, which
uses port 3074. As of this writing, your NBG-417N supports Xbox,
Playstation, Battlenet and MSN Game Zone.