Sidebar: Continental Down to the Hardware

Presentation Layer

JavaServer Pages produced by the JBoss application server are delivered to the Web servers, which display the information to end users in HTML. JSP also deliver content to agents' terminals via the Airline Link Control protocol.

Middle Tier

Software: JBoss application servers running on Red Hat Linux.

Hardware: 10 dual-processor HP blade servers with 2.8-GHz Intel Xeon processors.

Back End
Software:
MySQL database servers running on Red Hat Linux; HP's Serviceguard for Linux cluster kit.
Hardware: Three quad-processor HP ProLiant DL585 servers with 2.2-GHz Opteron processors from Advanced Micro Devices Inc.
Storage: HP StorageWorks Enterprise Virtual Array 3000. "A large portion of our operational database is loaded into memory," says Michael McDonald, director of technology. "We seldom have to go back and read and write to the SAN."

Copyright © 2005 IDG Communications, Inc.

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