Cisco - Update on Web Caching Technology

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© 1999, Cisco Systems, Inc.

Update on Web Caching Technology Session 1302

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© 1999, Cisco Systems, Inc.

Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. 0954_05F9_c2.scr

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Service Provider Challenges Internet

• Challenges: WAN bandwidth congestion/costs

Service Provider

Network scalability for new services Maximizing network service quality

PoP

Dial 1302 0954_05F9_c2

ISDN

Leased Line, Broadband 3

© 1999, Cisco Systems, Inc.

Enterprise Challenges

• Challenges: WAN bandwidth congestion/costs

Branch Office

Branch Office

Network scalability for new services Maximizing user productivity

Intranet Data Center

Campus Backbone

Branch Office

Internet 1302 0954_05F9_c2

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Solution: Localize Traffic Patterns

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Solution: Localize Traffic Patterns

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Cache Engine Operation Web Server

Internet

Cisco Cache Engine(s)

TCP Port 80 Traffic Redirected

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© 1999, Cisco Systems, Inc.

Cache Engine Operation Web Server

Internet

Cisco Cache Engine(s)

Cache Engine Requests URL

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Cache Engine Operation Web Server

Internet

Cisco Cache Engine(s)

Cache Engine Simultaneously Fills URL Request

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© 1999, Cisco Systems, Inc.

Cache Engine Operation Web Server

Internet

Cisco Cache Engine(s)

Cache Engine Fills Subsequent Requests 1302 0954_05F9_c2

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Traffic Engineering Issue

• Use existing network intelligence • Optimize traffic flow based on specified parameters

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Start With Your Existing Network…

• Enable Content Routing technology at selected points in your network Web Cache Communication Protocol (WCCP) Standard feature in Cisco IOS

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And Then Add Network Caches

• Network caches = Network extensions Network-integrated Low cost of ownership Scalable

Result: Enables You to Efficiently Cache Everywhere 1302 0954_05F9_c2

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© 1999, Cisco Systems, Inc.

Cisco’s Network Caching Solution

Routers* (Cisco 1600 through 7500), Dial*, uBR72xx*, RSM*

Cache Engine(s)

*Requires Cisco IOS® release 12.0(3+)T, 12.0, 11.1ca, 11.1cc, or 11.2p 1600 and 1700 require Cisco IOS release 12.0(5+)T 1302 0954_05F9_c2

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Service Providers: Premium Internet Access Internet

• Benefits: Service Provider

WAN bandwidth optimization Greater network capacity for voice

PoP

Competitive differentiation

Dial 1302 0954_05F9_c2

ISDN

Leased Line, Broadband 15

© 1999, Cisco Systems, Inc.

Enterprises: Accelerated Intranet/Internet Access

• Benefits: WAN bandwidth optimization

Branch Office

Branch Office

Intranet Data Center

Campus Backbone

Greater network capacity for voice Improved user productivity 1302 0954_05F9_c2

Branch Office

© 1999, Cisco Systems, Inc.

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Internet 16

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Service Providers/Enterprises: Accelerated Hosting • Benefits: Increase hosting capacity

Data Center

Internet

Accelerate hosting services

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Next Generation Cache Engines

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Cisco Cache Engine 500 Series

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Cisco Cache Engine 505 • For enterprise branch offices with T1/E1 links • 500 concurrent connections • Custom hardware One RU (One to two) 9-GB Ultra2 SCSI disk drives Two 10BaseT/100BaseTX ports

• Base list price: USD $4,995 1302 0954_05F9_c2

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Cisco Cache Engine 550 • For service provider PoPs and enterprise sites with WAN uplink bandwidth up to 11 Mbps • 3,000 concurrent connections • Custom hardware One RU 18 GB storage (two 9 GB Ultra2 SCSI disk drives) Two 10BaseT/100BaseTX ports External SCSI LVD port for Cisco external storage (Dec ‘99)

• Base list price: USD $11,995 1302 0954_05F9_c2

© 1999, Cisco Systems, Inc.

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Cisco Cache Engine 550-DS3 • For service provider PoPs and enterprise sites with WAN uplink bandwidth up to DS3 rates • 12,000 concurrent connections • Bundle: Four CE 550s + 2912 XL switch • Custom hardware Five RU 72 GB storage (eight 9 GB Ultra2 SCSI disk drives) Eight 10BaseT/100BaseTX ports Four external SCSI LVD ports for Cisco external storage (Dec ‘99)

• Base list price: USD $45,000 1302 0954_05F9_c2

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Network Integration

The Industry’s Only Network-Integrated Caching Solutions

Networking Hardware Design

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Cisco IOS Management

Adapt to the Network

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© 1999, Cisco Systems, Inc.

Transparent Caching Web Server

No changes to network architecture, browsers, or servers

Internet

Cisco Cache Engine(s)

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Fault Tolerance Automatic Redistribution Buckets 86-128 Buckets 1-85 Buckets 86-170

X

A

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Buckets 129-170 Buckets 171-255

B

C

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© 1999, Cisco Systems, Inc.

Fault Tolerance Web Server

Internet

X 1302 0954_05F9_c2

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Automatic WCCP Shutdown

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Fault Tolerance Internet Web Server MHSRP Router Pair

X Cache Engine Cluster

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© 1999, Cisco Systems, Inc.

Fault Prevention Origin Web Server

Internet

Request Refused

Client Requests URL

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Cache Engine Cluster (Overloaded)

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Fault Prevention Origin Web Server

Internet

Cache Engine Cluster (Overloaded)

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© 1999, Cisco Systems, Inc.

Fault Prevention Origin Web Server

Internet

Client Requests URL

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Cache Engine Cluster

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Fault Prevention Origin Web Server

Internet

IP Authentication Failure

Auto Retry Message

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Build a Bypass Pair

Cache Engine Cluster

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© 1999, Cisco Systems, Inc.

Fault Prevention Origin Web Server

Internet

Request Refused

Browser Retries

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Cache Engine Cluster

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Fault Prevention Origin Web Server

Internet Successful IP Authentication

Cache Engine Cluster

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© 1999, Cisco Systems, Inc.

Scalable Clustering

• Up to 32 Cache Engines in a single cluster • Linear scalability • Incremental scalability • High availability, redundancy 1302 0954_05F9_c2

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Scalable Clustering Data Center

Internet WCCP Router

Cache Engine Cluster 1302 0954_05F9_c2

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© 1999, Cisco Systems, Inc.

Ease of Use • Cisco IOS CLI • SNMP, Cache MIB • Netboot, TFTP, Flash memory support • Logging (syslog and transaction logs) • Telnet (username/password)

Plus: Cache Engine Web GUI 1302 0954_05F9_c2

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Enterprise Deployment Central Site ≤ DS-3 WCCP

Cache Engine 550-DS3*

s bp M 11 ≤

≤ T1 /E1

Internet

Cache Engine 550*

WCCP

Hub Site Cache Engine 505

WCCP

Branch Office

* Cache Engine * 550-DS3 at a site if the WAN uplink is a DS-3 Cache Engine 550 at a site if the WAN uplink less than 11 Mbps 1302 0954_05F9_c2

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© 1999, Cisco Systems, Inc.

Service Provider Deployment Internet

≤ DS-3 Cache Engine 550-DS3*

≤D S-

PoP 2

3*

PoP 1

≤D S3*

WCCP

CE 55 WCCP

WCCP

Cache Engine 550-DS3*

Cache Engine 550-DS3*

* Cache Engine 550 at a PoP if the WAN uplink is less than 11 Mbps 1302 0954_05F9_c2

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Service Provider PoP Deployment ≤≤ DS-3

≤≤ DS-3

MHSRP, WCCP

Cache Engine 550-DS3*

Analog/ISDN Access

Cache Engine 550-DS3*

Frame Relay/ATM/ Leased Line/Broadband Access

* Cache Engine 550 if WAN links are less than 11 Mbps 1302 0954_05F9_c2

© 1999, Cisco Systems, Inc.

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Cache Engine 500 Series Benefits

• Optimized WAN bandwidth usage More capacity for voice traffic

• Greater network scalability • Higher network service quality and content availability

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Cisco’s Network Caching Solution

Routers* (Cisco 1600 through 7500), Dial*, uBR72xx*, RSM*

Cache Engine(s)

*Requires Cisco IOS® release 12.0(3+)T, 12.0, 11.1ca, 11.1cc, or 11.2p 1600 and 1700 require Cisco IOS release 12.0(5+)T 1302 0954_05F9_c2

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© 1999, Cisco Systems, Inc.

Cisco Cache Engine 500 Series The Industry’s Only Network-Integrated Caching Solutions • Designed like networking products • Managed like networking products • Adapts to the network

Result: Enables you to efficiently Cache Everywhere 1302 0954_05F9_c2

© 1999, Cisco Systems, Inc.

Copyright © 1998, Cisco Systems, Inc. All rights reserved. Printed in USA. 0954_05F9_c2.scr

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Please Complete Your Evaluation Form Session 1302

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© 1999, Cisco Systems, Inc.

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