WebTycho Hardware and Software Infrastructure
WebTycho is a purpose-built application developed by UMUC to facilitate course delivery via the World Wide Web.
Hardware
- Ten production servers, Tychousa 1-12 located in MD. (SUN Enterprise 450 and SUN Enterprise 420 servers)
- One hub to manage replication between the production servers. (SUN Enterprise 450)
Two Internet Cluster Managers
- manages load between between the production servers. (SUN Ultra 60 server)
One Training Server
- (Nighthawk) stand alone server used specifically for training purposes (SUN Ultra 60 server)
One Chat Server
- Runs the Sametime server and supports real-time activities. (IBM Netfinity)
Connectivity
UMUC has a dedicated DS3 connection to the Internet via Qwest Communications. The utilization of our DS3 is currently around 5 to 10Mbps out of a possible 45Mbps. We also have a backup connection, in case of a failure, through the USM OC12 network which connects to the Internet at about 85Mbps.
Software
WebTycho is built upon Lotus Domino, a complete application development environment. Lotus Domino contains an object-oriented database structure, as well as Java and JavaScript support and an application development framework. WebTycho runs on a UNIX operating system and some parts of the program were written using the C, C++, and other computer languages.
Other programs used in conjunction with WebTycho:
FTP, File Transfer Protocol.
Sametime, a Lotus/IBM product used for the chat program and other real-time services.
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