My Netwok Dictionary

HUB

1. The data sent are sent on all ports to devices that decode the frame header to see if they are the recipients.
2. The total bandwidth is limited to speed hub. A 100 base-T hub provides 100 Mbps of bandwidth shared between all PCs, regardless of the number of ports.
3. Not compatible “half-duplex. A port 100 Mbps allows just one link to 100 Mbps.

SWITCH

1. The data sent from one computer to another are only received by the addressee. If another computer sends data to the printer, they are completely separated; the two communications can be done simultaneously.
2. The bandwidth is determined by the number of ports. i.e., A 100 Mbps 8-Port Switch can handle up to 800 Mbps half duplex, dual full duplex.
3. They are compatible full-duplex, doubling the speed of each port, 100 Mbps to 200 Mbps for Ethernet 100 Base T.

With a small freeware utility TCPView can the current network connections and open ports represent simple. TCPView runs under Windows and was written by Mark Russinovich (Sysinternals).

TCPView use
TCPView can be downloaded from the website Sysinternals. After unpacking the ZIP archive, the program can be started immediately. No installation is required. TCPView shows current use TCP and UDP endports of your system. At each port will use the associated message.

New session will be stored temporarily green, degraded compounds are shown in red briefly. In the last column shows the status of the connection TCPView (Listening, Established in). About the menus can be changed some settings from TCPView. Read the rest of this entry »

Remote PC Access does not get much easier than GoToMyPC. Setup of GoToMyPC takes just 2 minutes. Once your computer is enabled, you can access it at any time from anywhere by logging in to the GoToMyPC website. You can access your office pc or another personal pc just as if you were sitting at your desk and stay connected even though you may be thousands of miles away. You have full control of the computer and all files, programs and network resources available on the machine. Read the rest of this entry »