A performance analysis of the iServer Virtual Server System (iServer - Verio Web Hosting, Inc

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Virtual Server Performance Comparison
The following tables show comparisons on critical components of hardware, software, and networking. These components have a direct impact on the total overall performance of the hosting solution. Each table compares the components used in the iServer Virtual Server System to the components used by a typical hosting company.

Hardware Components

Typical Hosting
Company

Number of Users per Machine

~70

~700

CPU

300 MHz Pentium II

200 MHz MIPS
(SGI Origin 200)

CPU Benchmark¹

8.09

8.59

CPU Resources per User

0.12

0.012

Main Memory

128 MB 50 ns ECC

128 MB

Memory per User

1.83 MB

0.183 MB

Disks

5 GB System Volume
9 GB User Volume
9 GB Mirror of User Volume

2 GB System (Internal)
8 GB User (External)
No Mirror Volume

Disk Space per User

130 MB (mirrored)

11 MB (non-mirrored)

Data Back Up System

Triple Backup
Mirrored Hard Drive
Compressed Tar Archive
Tape Archive

Single Backup
Tape Archive

* - Data documented and confirmed as of November 1, 1997

Network Components

Typical Hosting
Company

Router Core

Cisco 7500's

Server LAN Connection

Dedicated full-duplex
10 Mbps (Cisco 5000)

Cisco 5000's

Backbone Connection

Redundant 100&Mbps

100 Mbps

Internet Connection

2 Verio OC3s
1 Sprint DS3

1 or 2 DS3's
others only T1's

* - Data documented and confirmed as of November 1, 1997

Software Components

Typical Hosting
Company

Full Access to Web Server
Configuration Files

YES

Full Access to Log Files

YES

Full Access to cgi-bin

YES

* - Data documented and confirmed as of November 1, 1997

¹ - Check out our SPEC description page for the complete explanation of the CPU Benchmark (SPECint95).