design strategies for a distributed web
DESCRIPTION
Presentation from Xtech in Dublin 2008 on advantages, problems and potential solutions for bringing a mashups to larger commercial web application developmentTRANSCRIPT
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Xtech Dublin 2008
Gareth Rushgrove | morethanseven.net
Design Strategies for a Distributed Web
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Gareth Rushgrove, Developer, GCAP Interactive
Gareth Rushgrove | morethanseven.net
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In the Beginning
Gareth Rushgrove | morethanseven.net
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Web Sites to Web Applications
Gareth Rushgrove | morethanseven.net
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Development Frameworks
Gareth Rushgrove | morethanseven.net
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Development Frameworks
Gareth Rushgrove | morethanseven.net
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Development Frameworks
Gareth Rushgrove | morethanseven.net
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Consumer Web APIs
Gareth Rushgrove | morethanseven.net
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Infrastructure Web APIs
Gareth Rushgrove | morethanseven.net
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Map data ©2008 Europa Technologies - Terms of Use
Map Satellite Hybrid
Mashups
Gareth Rushgrove | morethanseven.net
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Websites Talking To Websites
Gareth Rushgrove | morethanseven.net
“Mashups are the most interesting innovation in software development in 20 years
Douglas Crockford
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Building Blocks
Gareth Rushgrove | morethanseven.net
“An aggregate web of connected data sources and services
Tom Coates
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Remote Services
Gareth Rushgrove | morethanseven.net
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Remote Data
Gareth Rushgrove | morethanseven.net
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A Semantic Web
Gareth Rushgrove | morethanseven.net
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A Semantic Web
Gareth Rushgrove | morethanseven.net
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Url
Format
Output type
Json callback
Report
ufXtract - Microformats Parser (Beta 0.2.2)
ufXtract is a new microformats parser. It has been built from the ground up to take configurationobjects which allow the parsing of different microformats or POSH patterns. The component alsocontains an extendable output format option.
I am building a test suite to fine tune the components compliancy. Most of the compoundmicroformats apart hCard have some issues at the moment. If you have any comments or want topoint out issues please email - info.backnetwork.com
.
hCard
text
Submit
Example urls
http://lab.backnetwork.com/examples/1/page1.htm
Updated
29-Nov-07Added support for pages encoded with ISO-8859-1.
24-Nov-07Some internal changes which fix given-name in hcards and incorrect Url paths from page whichhave been redirected using 302
16-Nov-07I have added error handling and number of other small improvements such as the reporting feature.The major fixes are that the component will now successfully handle multiple header includes oftenused in hCalendar. The hAtom output has been addressed, but as yet not fully tested.
Example Xml output
Example Xml error
lab.backnetwork
Madgex Limited All rights reserved
<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
<ufxtract>
<vcard>
<fn>Gareth Rushgrove>/fn>
<n>
<given-name>Gareth</given-name>
<family-name>Rushgrove</family-name>
</n>
<url>http://morethanseven.net/</url>
</vcard>
<report>
<url status="200" millisec="109">http://lab.backnetwork.com/examples/1/page1.htm</url>
<found>1</found>
</report>
</ufxtract>
<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
<ufxtract>
<errors>
<error>
<msg>The remote name could not be resolved: 'htp'</msg>
<url>http://htp://localhost/BacknetworkLab/examples/1/page1.htm</url>
</error>
</errors>
</ufxtract>
New
Portable social networkprofile parser
Demo 1
ufXtract - Microformats Parser
Older and superseded
XFN/hCard pagination
XFN pagination
AboutThis site showcases someof the experimental workbeing carried out forbacknetwork. By sharingthis early work we hope insome way to add to theimportant technical andarchitectural discussionsabout portable socialnetworks.
Remote Services Using Remote Data
Gareth Rushgrove | morethanseven.net
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Remote Platform
Gareth Rushgrove | morethanseven.net
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Not Just The Server
Gareth Rushgrove | morethanseven.net
Adobe Air
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Site Specific Browsers
Gareth Rushgrove | morethanseven.net
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Browser Enhancements
Gareth Rushgrove | morethanseven.net
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Advantages
Gareth Rushgrove | morethanseven.net
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Speed
Gareth Rushgrove | morethanseven.net
1
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Scalability
Gareth Rushgrove | morethanseven.net
2
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Quality
Gareth Rushgrove | morethanseven.net
3
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Cost
Gareth Rushgrove | morethanseven.net
4
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Problems
Gareth Rushgrove | morethanseven.net
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Stability
Gareth Rushgrove | morethanseven.net
1
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Reliance
Gareth Rushgrove | morethanseven.net
2
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Features
Gareth Rushgrove | morethanseven.net
3
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Security
Gareth Rushgrove | morethanseven.net
4
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Solutions
Gareth Rushgrove | morethanseven.net
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Ecosystem
Gareth Rushgrove | morethanseven.net
1
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Abstraction
Gareth Rushgrove | morethanseven.net
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Open Source
Gareth Rushgrove | morethanseven.net
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Service Level Agreement
Gareth Rushgrove | morethanseven.net
2
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Defensive Development
Gareth Rushgrove | morethanseven.net
3
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Don’t Trust APIs
Gareth Rushgrove | morethanseven.net
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Caching
Gareth Rushgrove | morethanseven.net
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Design for Downtime
Gareth Rushgrove | morethanseven.net
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Design for Downtime
Gareth Rushgrove | morethanseven.net
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Design for Downtime
Gareth Rushgrove | morethanseven.net
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Design for Downtime
Gareth Rushgrove | morethanseven.net
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High Reliability Systems
Gareth Rushgrove | morethanseven.net
4
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Conclusions
Gareth Rushgrove | morethanseven.net
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Advantages
Gareth Rushgrove | morethanseven.net
2. Scalability
3. Quality
1. Speed
4. Cost
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Problems
Gareth Rushgrove | morethanseven.net
2. Reliance
3. Features
1. Stability
4. Security
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Solutions
Gareth Rushgrove | morethanseven.net
2. Service Level Agreements
3. Defensive Development
1. Vibrant Ecosystem
4. High Reliability Systems
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API as User Interface
Gareth Rushgrove | morethanseven.net
“The API is the product Todd Sampson
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Thanks flickr
Gareth Rushgrove | morethanseven.net
flickr.com/photos/greenchameleon/413936228/
flickr.com/photos/drown/218784366/
flickr.com/photos/--stromberg--/786493111/
flickr.com/photos/dishu/196505696/
flickr.com/photos/zackhughesphotography/
flickr.com/photos/riot_/122129120/
flickr.com/photos/toptechwriter/347297711/
flickr.com/photos/eddie-lawrance/2422166463/
flickr.com/photos/timcaynes/71212509/
splintered.co.uk
flickr.com/photos/riot_/162092237/
flickr.com/photos/midgeymoo/250453177/
flickr.com/photos/benmcleod/97049880/
flickr.com/photos/rougerouge/215087724/
flickr.com/photos/bdebaca/1459722501/
flickr.com/photos/auro/
flickr.com/photos/chrisjones/31900809/
flickr.com/photos/vgm8383/2191223539/
flickr.com/photos/think_different/2140311929
flickr.com/photos/fukagawa/207296944/
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Hopefully Still Time for Questions
Gareth Rushgrove | morethanseven.net