questnet toowoomba, june 28, 2000 questnet 2000 carl jackson australia/nz manager f5 networks, inc...

QUESTnet Toowoomba, June 28, 2000

QUESTnet 2000

Carl JacksonAustralia/NZ ManagerF5 Networks, [email protected]

June 28, 2000

4 Components of a Business Critical Internet Site


Over 1500 Customers E-Commerce

– Abercrombie + Fitch– Alaska Airlines– American Airlines– Annixter– Avnet– Best Buy– CDNow– Circuit City– Columbia House– CompUSA– eBay– Egghead– eToys– Home Grocer– iCat/Intel– Ingram Micro– Nordstrom– Nortel Networks– Red Hat– REI– Tower Records– Ubid– Williams Sonoma

Internet Service– Ancestry– Encyclopaedia Britannica– Giga Research– Intuit– iVillage– Jupiter Communications– MapQuest– The Motley Fool– MovieFone– Network Solutions– Playboy– RealNetworks– USA Today– Washington Post– Ziff Davis

Intranet/Enterprise– 3Com– Advanced Micro Devices– Alcoa– Apple– Bell Atlantic– Bell South– Blue Cross Blue Shield– British Telecom– Cabletron– Cargill– Compaq– Eastman Kodak– Federal Express– GTE– Hewlett Packard– Korea Telecom– Merck– Microsoft– Monsanto– Motorola– NEC– Newbridge Networks– NTT– Oracle– Samsung– Siemens– Singapore Technologies– Sony– Sprint– Warner Brothers

Portal– AOL/Netscape– Ask Jeeves– Alta Vista– Excite@Home– GO2NET– Infospace– Lycos

• Financial– ABN Amro– Bank of America– Capital One– CBS MarketWatch– Countrywide– Citicorp– Fidelity– First Data– Franklin Templeton– Freddie Mac– FreeEDGAR– Knight Securities– Morningstar– Olde Discount– Paymentech– People’s Bank– PricewaterhouseCoopers– Republic Bank– Sallie Mae– Salomon Smith Barney– T. Rowe Price– Wit Capital– US bank

ISP/Web Hosting– Angelfire– Cable & Wireless– Covad– Demon Internet– DIGEX– Exodus Communications – Global Crossing– Internet Canada/ACC– MRNet/MEANS– Planet Online– PSINet– Qwest– StarMedia– USWeb/CKS– UUNet– Verio– Worldcom

Government– CIA– Department of Transportation– Defense Tech. Info. Center– Federal Reserve Bank– Government Printing Office– Intelink– International Trade Commission– Lawrence Livermore Nat’l Lab– NASA– National Library of Medicine– National Technical Information Service– Office of Secretary of Defense– Tennessee Valley Authority– U.S. Army– U.S. Navy

Healthcare– Healtheon– Onhealth– Health Central– Drugstore– Mayo Clinic

– Discover Music


What You Want…

• Pick up the phone and you get dialtone. Flip a switch and lights turn on. Go to a web site and … oops … not as predictable.

• Businesses need control over their Internet sites. Revenue, profitability and reputation depend on control of Internet site availability and performance.


Dollars are more liquid than ever• The Internet makes purchases or movement of

capital in general more liquid than ever before in history

• Mouse click is more convenient than a drive across town or a flight around the world

• Building brand is critical for long term success• Long term “sticky-ness”

– Serving an existing customer is less expensive than acquiring new ones


How to retain more liquid

• Must build infrastructure to support capturing & retaining customers

• Many approaches• Focus on the infrastructure required to deliver

“Internet Quality Control”


What turns a site “off” or makes it leak• Too much traffic• Hardware failure• Operating system failure• Application failure• Content failure - sending out “error” messages• Network outage


Internet Quality Control

Server

Content

Network

Management


Leaving one component out = risk - lost business, law suits, market cap


User

Internet Servers

Router

SEATTLE

Local Area Traffic - Serverdatabase

Local AreaTraffic Manager


Local Area Traffic - Server

• Basic mismatch between growth of server capacity & network capacity

• Moore’s Law vs. Gilder’s Law


Driving Factors for High Availability Solutions

0

2000

1998 1999 2000 2001 2002

P ro c e sso r c a p a c ity

B a n d wid th c a p a c ity

Processor capacity

Bandwidth capacity

• Processor capacity doubles every 18 months - Moore’s Law

• Network traffic doubles every 100 days - Gilder’s Law

• Servers do not accommodate bursty traffic

• A new server with 4x performance 8-10 times as expensive

• Skilled technical personnel are scarce and expensive


Server

Old way • Buy a bigger server

New way• Use Intelligent Load Balancing technology & buy

multiple smaller servers


Intelligent Load Balancing

• Virtualizes multiple devices– Virtual Resource Management– Internet Traffic Management

• Intelligently distributes traffic• Insulates users from problems

ServersCachesFirewalls

Traffic


Issues to Consider

• How availability is determined– Are applications sending the “right” answer

• Methods to maintain persistence– Must dovetail with application state awareness– Address concentration & jumpy source address– Proxies,

• Load balancing methods• Security• Other value added services

– Rate shaping– Packet filtering


Business Reasons to Implement• Assures the store is always open for business• Customer Retention• Site can offer the appropriate level of access/service

based on the customer relationship• Provides predictable transaction completion• Maximize return on investment from existing assets

– Allows a site to easily scale to meet growing demand

• Enhances customer experience– Fast access– Consistent response time/content/service– Delivery of the right content


Internet ServersInternet Servers

Router Router

SEATTLE NEW YORK

User

Wide Area Traffic - Networkdatabase

Wide AreaTraffic Manager

Wide AreaTraffic Manager


Network

• Once Server solution is in place, next challenge is the network


Network - Driving Factors

• Address disaster recovery• Give the best experience to the end user

– Minimize network response time– Localize traffic– Reduce Costs– Provide predictable response to end users

• BRAND - present single presence to the world


Network

• 25% of customers currently depend on globally distributed data centers.

• 2/3 of single site customers intend to move to globally distributed data centers within a year.


Network

Old Way• Manual selection by end user• Round robin DNS• Router metrics

New Way• Intelligent Wide Area load balancing

– Stretch the LAN solution over the WAN


Intelligent WAN Load Balancing• Virtualizes multiple data centers• Intelligently distributes traffic• Insulates users from problems


Issues to Consider

• Direct traffic to the best performing site based on both site & network metrics

• Deciding based on one without the other results in poor customer experience– Network great but servers down = lost customer

• There is no single metric that can be used to distribute traffic effectively. A combination approach works best– Site - throughput, servers available, connections– Network - round trip time, packet loss– Preferred site based on Topology or Disaster Recovery


Network - Business Reasons to Implement• Business continuity - guarantees site is always

“ON”• Provides users with best experience• Enhances brand in market• Reduces costs

– Local disk cheaper than transport - similar to decision to cache

• Regain control



Router Router

Internet Servers

Router

File Server

BRISBANE TOOWOOMBA

ROCKHAMPTON

User

Contentdatabase

Content Manager

Content Manager

Content Manager


Content

In solving the Server & Network problems a third challenge is created

• Users can be directed to any data center• Users can be directed to any server• How to manage all the files required to deliver the

“right” response to users


Content

Old way• Solutions to date have been “roll your own”• Winner for best name so far… “Grunt”• Labor intensive

New way• Automated Content Management


Content

• Must be compatible with existing content creation tools– Facilitate distribution & management of files

• Must provide roll-out & roll-back mechanism to far-flung resources

• Interact with Local & Wide Area components• Ease burden on technical staff resources



Router Router

Internet Servers

Router

SEATTLE NEW YORK

LONDON

User

Management

Internet Servers

Router

File Server

TOKYO

NetworkManagement

Console

database


Covering the Bases

Ser

ver

Net

wo

rk

Co

nte

nt

Man

agem

ent

Too muchtraffic

Hardwarefailure

OS failure

Content failure

Network outage


Summary - Internet Quality Control• You must first guarantee availability of server,

network & content• Once the base guarantee of “on” is in place then

start treating people & traffic differently• Establish business policies & have the

components of your Internet Quality Control system work in concert to enforce them

questnet toowoomba, june 28, 2000 questnet 2000 carl jackson australia/nz manager f5 networks, inc...

Documents

expensive slide

internet quality control

music slide

gilders law slide

new ones slide

new server

internet sites

market cap slide