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Technical Training
Wilson L. ChuaMCSE+I, MCDBA, MCT, CCNA, CCDA
AgendaGeneral Benefits of Content CachingWhat is CacheXpress?Features of CacheXpressImplications for Broadband NetworksCacheXpress How Tos on
Deploying, Configuring and Monitoring
Summary
Benefits of Using Content Caching
Smaller bandwidth Faster Response30-40% Avg Hit Rates 25% Avg Bandwidth SavingsROI is approx 3-4 months
A Caching Proxy Server that is better than Squid, using patented WhirlWind Engine
PC Magazine Award winner Cache Server roundup 1999 – best performing Squid-base Cache (known as Industrial Code & Logic then)
First in transparent web proxy-caching model For the Microsoft Windows NT operating system platform.
First to offer WCCP (v1 & 2) support for WinNT/2000
CacheXpress FeaturesEasy Web-Based ManagementHigher Performance (120 vs 500)Eliminates Bandwidth Hogs Optimizes Multiple Links Usage with ICPAccess Control Solutions based on:
Source/Destination Radius or Internal UserHTTP Header
Scalable Transparent Cacheing
Benefits to Broadband Networks
Limited Int’l bandwidth,
Unlimited Local Bandwidth
Proxy Peer among all broadband users
DSL Pilot Experience
Deploying CacheXpressBest with Windows 2k or XP Download & Install Configure Initial Port Settings Supervisor Acct Determine Cache Size
CacheSize= (PeakLoad * 432)PeakLoad= (#Dialups * .02) or (#LANUsers * .002)ROT: 1gb + 50mb / user
Setting Cache Size
Applying Access Security
Router
Server
Hub
Computer
Computer
192.168.0.2
192.168.0.3192.168.0.1
202.91.161.141
Demo
Limiting Access via Http Header Info
Limiting Access to QuickTime
Limiting Access to Large Objects
Requesting that Large Objects not be Cached
Accessing Upstream Caches
Server
Server
Server
ISP1 ISP2
This is You!
Allows you to Maximize
Multiple Internet Provider Links!
Setting bandwidth limits per unit/person/ip class
Define Bandwidth Settings
Apply Control Rules
Scenario: 512kb internet link
Limit to 80% of bandwidth
No limit if they are browsing Bitstop Website
Using Radius or Internal User list for Authentication
Scenario1 : Allow Access to Internal User but deny access to a Group
Scenario2 : Allow Radius-Based Access
Setting up Scalable Tranparent Caching
Server
Router
Computer Computer Computer
Hub
ServerServer
Monitoring Cache Operations
Overview
Logs
Cache
Peers
WCCP
Summary
CacheXpress is a caching proxy server that is 4x faster than Squid Lots of Usable Features
Bandwidth LimitingScalable Transparent ProxyEase of UseEffective Access Controls
Affordable and short ROICall for PPPs
