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Multi-Tier Model for Infrastructure Computing

Multi-Tier Model for Infrastructure Computing

Multi-Tier Model

Multi-Tier Model for Infrastructure Computing
Tier 1: Router, firewall, cache server(s), load balancing server(s), web server(s)
Tier 2: Application servers
Tier 3: Database servers

Tier 3: Database servers

The layer-two application servers are talking to the third layer, the database servers. These back-end servers, following the www.dell.com example, hold SKU pricing, configuration parameters, transaction processing information, ERP integration, etc., which in turn allow customers to successfully purchase a Dell solution.

In addition to PowerEdgeTM  servers and PowerVaultTM  fibre channel and SCSI storage, Dell offers Network Attached Storage (NAS) and Storage Area Network (SAN) solutions, high-speed server interconnects, and clustering technology to provide solutions from end-to-end in your Internet/Intranet infrastructure.

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