GET /Resty HTTP/1 - Huihoodocs.huihoo.com/rest/GET-Resty-HTTP1.1.pdfGET /Resty HTTP/1.1 Host:...

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GET /Resty HTTP/1.1 Host: phillyemergingtech.com Accept: application/vnd.etec-09.tech-talk - Brian McCallister Hi, I’m Brian. Talk about ning, apache, etc so they have context for my statements. Development as product, not as IT (though I have done both, I prefer being a profit center to a cost center).

Transcript of GET /Resty HTTP/1 - Huihoodocs.huihoo.com/rest/GET-Resty-HTTP1.1.pdfGET /Resty HTTP/1.1 Host:...

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GET /Resty HTTP/1.1Host: phillyemergingtech.comAccept: application/vnd.etec-09.tech-talk

- Brian McCallister

Hi, I’m Brian. Talk about ning, apache, etc so they have context for my statements. Development as product, not as IT (though I have done both, I prefer being a profit center to a cost center).

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http://www.flickr.com/photos/tochis/652359588/About systems architecture. Real architectures, not whitepapers.

http://www.flickr.com/photos/tochis/652359588/
http://www.flickr.com/photos/tochis/652359588/
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The technical stuff critical to the business which the pure business people do not understand.

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Set of principles which guide the development of components and interactions.

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The tools and practices which supportthe principles and interactions desired.

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Patterns(Alexander, not GoF)

Alexander -- independent regions and distribution of towns to lighting and pictures of family.

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Operational Environment

System Visibility

Legal Requirements

Contractual Obigations

Data Policies

Security PoliciesBI Visibility

DeploymentDevelopment Process

Business Goals and Needs

Concurrent Development

Distributed ServicesHeterogenous Services

Heterogenous Platform

Caching

Monitoring

New Development

Enhancements

Fork Lifting

Business Organization

As an architect, this is what your scope of concern is.Stu! in outer constrains stu! in inner.

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Operational Environment

System Visibility

Legal Requirements

Contractual Obigations

Data Policies

Security PoliciesBI Visibility

DeploymentDevelopment Process

Business Goals and Needs

Concurrent Development

Distributed ServicesHeterogenous Services

Heterogenous Platform

Caching

Monitoring

New Development

Enhancements

Fork Lifting

Business Organization

As a systems architect, this is what you can generally control, outer stu! you can just influence.

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Operational Environment

System Visibility

Legal Requirements

Contractual Obigations

Data Policies

Security PoliciesBI Visibility

DeploymentDevelopment Process

Libraries

FrameworksLanguages

Business Goals and Needs

Concurrent Development

Distributed ServicesHeterogenous Services

Heterogenous Platform

Caching

Monitoring

New Development

Enhancements

Fork Lifting

Business Organization

As an applications architect, you tend to go further down, but have additional constrains from that darned architecture group.

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REST and HTTP

Okay, so REST -- my assertion is that it serves you well as you grow and change.

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HEAD /get-resty-ete09.pdf HTTP/1.1Host: skife.org

HTTP/1.1 200 OKDate: Fri, 27 Mar 2009 04:53:35 GMTServer: ApacheLast-Modified: Fri, 27 Mar 2009 04:52:22 GMTETag: c8058-61656a-466127f896dAccept-Ranges: bytesContent-Length: 6382954Content-Type: application/pdf

Reminder of some of the features, point out resources, uniform interface

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GET /get-resty-ete09.pdf HTTP/1.1Host: skife.orgIf-None-Match: c8058-61656a-466127f896d

HTTP/1.1 304 Not ModifiedDate: Fri, 27 Mar 2009 05:05:05 GMTServer: ApacheETag: c8058-61656a-466127f896d

Sophisticated caching controls, server-side statelesssness (re:session)

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HEAD http://skife.org/get-resty-ete09.pdf HTTP/1.1Host: skife.org

HTTP/1.1 200 OKDate: Fri, 27 Mar 2009 15:32:40 GMTServer: ApacheLast-Modified: Fri, 27 Mar 2009 05:17:46 GMTETag: 128015-618406-46612da5fdAccept-Ranges: bytesContent-Length: 6390790Content-Type: application/pdfProxy-Connection: Keep-alive

Composability, proxies, more than just client server. This proxies through Charles, a alternately transparent or traditional debugging proxy.

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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head profile="http://gmpg.org/xfn/11"> <link rel="alternate" type="application/atom+xml" title="Brian McCallister's Waste of Time" href="http://kasparov.skife.org/blog/index.atom" />

<link rel="openid.server" href="http://openid.skife.org/" /> <link rel="openid.delegate" href="http://openid.skife.org/" />

<link rel="me" href="http://twitter.com/brianm" /> <link rel="me" href="http://www.ning.com/brianm" /> <link rel="me" href="http://www.linkedin.com/in/brianmccallister" />

Hypermedia, resources reference other resources via that uniform interface.

http://www.linkedin.com/in/brianmccallister
http://gmpg.org/xfn/11
http://gmpg.org/xfn/11
http://kasparov.skife.org/blog/index.atom
http://kasparov.skife.org/blog/index.atom
http://openid.skife.org
http://openid.skife.org
http://openid.skife.org
http://openid.skife.org
http://twitter.com/brianm
http://twitter.com/brianm
http://twitter.com/brianm
http://twitter.com/brianm
http://www.linkedin.com/in/brianmccallister
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The Business

All of this is in the context of what is right for the business -- and this changes, sometimes from day to day

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Everything Everything

Load Balancer

DB

HTTPHTTP

*DBC*DBC

Everything *starts* really simple.

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VP Eng

Ops Guy

Engineer

Product Guy

Engineer Engineer

And everyone knows what everyone else is doing.

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(cc) http://www.flickr.com/photos/kainet/530100860/

Time is not on our side

http://www.flickr.com/photos/kainet/530100860/
http://www.flickr.com/photos/kainet/530100860/
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(cc) http://www.flickr.com/photos/dipster1/1403240351/

We want existing, easy to use tools. Spending time writing things not core to your business is generally very, very wrong. You want maximum leverage, here.

http://www.flickr.com/photos/dipster1/1403240351/
http://www.flickr.com/photos/dipster1/1403240351/
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Operational Environment

System Visibility

Legal Requirements

Contractual Obigations

Data Policies

Security PoliciesBI Visibility

DeploymentDevelopment Process

Libraries

FrameworksLanguages

Business Goals and Needs

Concurrent Development

Distributed ServicesHeterogenous Services

Heterogenous Platform

Caching

Monitoring

New Development

Enhancements

Fork Lifting

Business Organization

Our architectural e!ort is focused here, right now. Our big concerns architectural concerns are django, rails, or jersey, keeping downtime measured in hours instead of days, and cranking out features. Visibility (sni!) monitor (http ping), deploy (vlad, capistrano, copy tarball, change symlink, whatever)

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VP Eng

Dir FooDir Bar

Dir ProductVP Ops

Architect

SVP

Dir Baz

Engineer

Engineer

Eng Mgr

Engineer

Engineer

Engineer

Engineer

Eng Mgr

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Ops Eng

Ops Eng

Prod Mgr

SA

SA

Complicating matters, we have been hiring to keep up with growth and iterate on features faster. We have an engineering team mostly focused on non-product features, in fact! One of the teams wants to use haskell, and makes a good case for it.

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A A

LB

DB

HTTPHTTP

B B

C v2.7 C v2.7 C v2.8 C v2.8

DB 72

D D

E E E E

DB 22

Etc Etc

YepFred

JoeWilly

DB 72

A A

Load Balancer

DB

HTTPHTTP

B B

C v2.7 C v2.7 C v2.8 C v2.8

DB 72

D D

E E E E

DB 22

Etc Etc

Yep Fred Joe Willy

DB 72

Of course the system has grown, at this point no one actually understands all of it, though various people believe they do.

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(cc) http://www.flickr.com/photos/orangeacid/245879576/

“Anarchic scalability refers to the need for architectural elements to continue operating when they are subjected to an unanticipated load, or when given malformed or maliciously constructed data...” -Roy

http://www.flickr.com/photos/orangeacid/245879576/
http://www.flickr.com/photos/orangeacid/245879576/
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Uniform Interface

GET, POST, and those others

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Hypermedia

{ "self" : "http://network-search/1.0?q=clojure", "from" : 0, "to" : 99, "total" : 1, "results" : [ { "url" : "http://orlambda.ning.com/", "metadata" : "http://app/application/2.7/orlambda" } ]}

Hypermedia doesn’t mean HTML -- is media linking to other media. Interfaces for the links are all the same (uniform interface). JSON, Thrift, ProtoBu!, Atom, all are valid forms of hypermedia. Spend more time designing media types, less designing URIs.

http://10.16.35.138:8080/application/1.0/orlambda
http://z10074b.ningops.com:8080/network/search/1.0?pretty&q=clojure
http://z10074b.ningops.com:8080/network/search/1.0?pretty&q=clojure
http://orlambda.ning.com
http://orlambda.ning.com
http://10.16.35.138:8080/application/1.0/orlambda
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IdsURIs

If it is shared between components, make it a URL.

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Operational Environment

System Visibility

Legal Requirements

Contractual Obigations

Data Policies

Security PoliciesBI Visibility

DeploymentDevelopment Process

Business Goals and Needs

Concurrent Development

Distributed ServicesHeterogenous Services

Heterogenous Platform

Caching

Monitoring

New Development

Enhancements

Fork Lifting

Business Organization

Our architectural concerns now expand to include nasty things like the business wanting to track signup conversion rates, the team that insists they need haskell on freebsd, and the fact that we have four teams on di!erent schedules.

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A A

LB

DB

HTTPHTTP

B BC v2.7

C v2.7

C v2.8

C v2.8

DB 72

D D

E E E E

DB 22

DB 72A A

Load Balancer

DB

HTTPHTTP

B B

C v2.7

C v2.7

C v2.8

C v2.8

DB 72

D D

E E E E

DB 22

Etc

EtcY

ep

Fred

Joe

Willy

San Jose

A A

LB

DB

HTTPHTTP

B BC v2.7

C v2.7

C v2.8

C v2.8

DB 72

D D

E E E E

DB 22

Etc

Etc

Yep

Fred

Joe

Willy

DB 72

A A

Load

Balancer

DB

HTTPHTTP

B B

C v2.7

C v2.7

C v2.8

C v2.8

DB 72

D D

E E E E

DB 22

Etc

Etc

Yep

Fred

Joe

Willy

DB 72

DC

A A

LB

DB

HTTPHTTP

B BC v2.7

C v2.7

C v2.8

C v2.8

DB 72

D D

E E E E

DB 22

Etc

Etc

Yep

Fred

Joe

Willy

DB 72

A A

Load

Balancer

DB

HTTPHTTP

B B

C v2.7

C v2.7

C v2.8

C v2.8

DB 72

D D

E E E E

DB 22

Etc

Etc

Yep

Fred

Joe

Willy

DB 72

Seoul

GLSB and CDNs

Backhaul Network

Backhaul Network 2

At this point your infrastructure *is* an internet.

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VP Eng

Dir FooDir Bar

Dir ProductVP Ops

Architect

SVP

Dir Baz

Engineer

Engineer

Eng Mgr

Engineer

Engineer

Engineer

Engineer

Eng Mgr

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Ops Eng

Ops Eng

Prod Mgr

SA

SA

VP Eng

Dir FooDir Bar

Dir ProductVP Ops

Architect

SVP

Dir Baz

Engineer

Engineer

Eng Mgr

Engineer

Engineer

Engineer

Engineer

Eng Mgr

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Ops Eng

Ops Eng

Prod Mgr

SA

SA

VP Eng

Dir FooDir Bar

Dir ProductVP Ops

Architect

SVP

Dir Baz

Engineer

Engineer

Eng Mgr

Engineer

Engineer

Engineer

Engineer

Eng Mgr

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Engineer

Ops Eng

Ops Eng

Prod Mgr

SA

SA

Then they reorganized engineering by business unit. Multiple products, possibly multiple markets.

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(c) Roy Fielding

At this point the peer-to-peer aspects of the *protocol* save your ass.

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http://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html

Caching is your friend

http://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html
http://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html
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Operational Environment

System Visibility

Legal Requirements

Contractual Obigations

Data Policies

Security PoliciesBI Visibility

DeploymentDevelopment Process

Business Goals and Needs

Concurrent Development

Distributed ServicesHeterogenous Services

Heterogenous Platform

Caching

Monitoring

New Development

Enhancements

Fork Lifting

Business Organization

You have no control over these, still, but there are *significant* constraints caused by the blue stu! now, and you spend a LOT of time worrying about them.

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(c) Brian McCallister

A major theme here is that things change. Decisions made early on have major consequences. Your architecture needs the flexibility and extensibility to adapt as the business grows. An analogy I like to use is why folks use more ruby than haskell. When the tool is “done” there are about the same number of lines of code, the di!erence is that the ruby one got longer as you worked, and the haskell one got shorter until it finally compiled.

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GET /Resty HTTP/1.1Host: phillyemergingtech.comAccept: application/vnd.etec-09.tech-talkLocation: http://skife.org/get-resty-ete09.pdf

Brian McCallisterhttp://[email protected]

Thank you!

mailto:[email protected]
http://skife.org/get-resty-ete09.pdf
http://skife.org/get-resty-ete09.pdf
http://skife.org
http://skife.org
mailto:[email protected]
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Thank You, Sponsors

Thank them too!


WSO2Con US 2013 - The New ESB - RESTy, Connected, Collaborative, and Optimized

WSO2Con US 2013 - The New ESB - RESTy, Connected, Collaborative, and Optimized

Securing Web Services - cs.fsu.edubreno/CIS-6930/lecture_slides/secure-ws.pdf · In HTTP1.1, if nocache = TRUE then HTTP no-cache and no-store directives are explicitly set. Browser

Securing Web Services - cs.fsu.edubreno/CIS-6930/lecture_slides/secure-ws.pdf · In HTTP1.1, if nocache = TRUE then HTTP no-cache and no-store directives are explicitly set. Browser

Http request and http response

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MyOdoo2014 - cdn.openerp.hk · HTTP worker HTTP worker HTTP worker Cron worker gevent worker

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PelvisBelt http'.//pelvisbeltPelvisBelt http'.//pelvisbelt.jp pelvis Belt pavis

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Windows internals http:// scoriani@microsoft.com http:// scoriani@microsoft.com.

Windows internals http:// [email protected] http:// [email protected].

http: // oberon.roma1fn.it / boomerang http: // physics.ucsb / ~boom

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Introduction to Internet Computing - SEIDENBERG …csis.pace.edu/lixin/teaching/cs644/internetComputing.pdfWeb Browser HTTP HTTP HTTP HTTP CGI, Servlet, JSP Presentation layer: CGI,

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Evaluation research-resty-samosa

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Publisher Photos Provided By National Filipino Martial ... · National Filipino Martial Arts Get Together Seminars . Competition Awards . ... Master Resty Obispo, ... Kruzada assisted

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http · Http Clients • Aurelia comes with 2 http client libraries: • aurelia-http-client - A basic HttpClient based on XMLHttpRequest. It supports all HTTP verbs, JSONP and request

http · Http Clients • Aurelia comes with 2 http client libraries: • aurelia-http-client - A basic HttpClient based on XMLHttpRequest. It supports all HTTP verbs, JSONP and request

By: Nicholas, Renée, Keisha, Lorie-Lynn INHALENT HTTP://SMAL LER HTTP:// HTTP://SMAL.

By: Nicholas, Renée, Keisha, Lorie-Lynn INHALENT HTTP://SMAL LER HTTP:// HTTP://SMAL.

-FBEFSTIJQ#JSNJOHIBNBOOPVODFTUIFNFNCFSTPG … · (http:/ RegistrationonoruseofthissiteconstitutesacceptanceofourUserAgreement(http:/andPrivacyPolicy

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Philosophy of francis bacon by resty samosa ma ed bio

Philosophy of francis bacon by resty samosa ma ed bio

ColdFire Lite HTTP ServerHTTP/1.1 200 OK line tells the client/browser that HTTP1.1 is supported and the status code tells the client that the file was found. The server line informs

ColdFire Lite HTTP ServerHTTP/1.1 200 OK line tells the client/browser that HTTP1.1 is supported and the status code tells the client that the file was found. The server line informs

AWAKENING “Obtaining essential knowledge about bullying.“ Prepared by: Resty John C. Dimal.

AWAKENING “Obtaining essential knowledge about bullying.“ Prepared by: Resty John C. Dimal.

Firewalls. Similar to streaming a Video … Browser Network HTTP Requests Get: image.png HTTP Requests Get: image.png HTTP Requests Get: video.avi HTTP.

Firewalls. Similar to streaming a Video … Browser Network HTTP Requests Get: image.png HTTP Requests Get: image.png HTTP Requests Get: video.avi HTTP.

HTTP2 QUIC Web - Geekbang · http1.1 http2 (ms) 2000 3000 4000 5000 6000 7000 8000 2g 3g 4g wifi unknown http1.1 http2 SjÚÖ p ³ ...

HTTP2 QUIC Web - Geekbang · http1.1 http2 (ms) 2000 3000 4000 5000 6000 7000 8000 2g 3g 4g wifi unknown http1.1 http2 SjÚÖ p ³ ...

HTTP1.1/2 overview

HTTP1.1/2 overview

ORLANDO, FLORIDA JUNE 21 - 25 Resty Albeza Miyuki Kim Daphne Leon Guerrero Johertz Marfega.

ORLANDO, FLORIDA JUNE 21 - 25 Resty Albeza Miyuki Kim Daphne Leon Guerrero Johertz Marfega.