Post on 03-Jun-2020
Contact details
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Managing Partner ALT-F1 SPRL/BVBA Abdelkrim BOUJRAF
@: abo@alt-f1.be W: www.alt-f1.be M: +32 (0)497 480.970
1
29 November 2012
Twitter: @abdelkrim
Où suis-je? Université de Lille 1 – MA Informatique
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
¨ Le Master informatique est composé de plusieurs spécialités : ¤ E-services (Conception d'applications Web et Mobile), ¤ IAGL (Conception et architecture logiciel), ¤ TIIR (Systèmes, Réseaux, Sécurité), ¤ MOCAD (IA et Analyse des grands volumes de
données) ¤ et IVI (Imagerie, 3D)
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29 November 2012
Experiences
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ ALTI International S.A. (1998) ¨ Mediagenix S.A. (Feb 2001) – Bulle internet ¨ Digital Age Design S.A. (Sept 2001) -> LBi Group ¨ Unisys Belgium S.A. (2007) – Crise bancaire ¨ ALT-F1SPRL (Oct. 2010)
29 November 2012
Alt-f1.be
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Group of entrepreneurs ¨ Business Intelligence ¨ Project – Program – Portfolio management ¨ Coaching ¨ Marketing & Web Marketing Strategy ¨ Quality Assurance ¨ R&D
¤ Cloud computing ¤ Lean manufacturing (Optimisation)
29 November 2012
Expectations
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
¨ …le sujet puisse dans la mesure du possible parler de problématiques intéressant le plus grand nombre de nos étudiants, mais nous aimerions avant tout profiter de votre longue et diverse expérience professionnelle…
¨ Vous écouter
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29 November 2012
Paran Yo, the place where we can share the world!
Case study
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Paran Yo, the place where you can share the world!
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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Where do I start? The methods
Paran Yo
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
V-Model (software development)
Requirements analysis
System Design
Architecture Design
Module Design
User Acceptance
Testing
System Testing
Integration Testing
Unit Testing
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Source code
Determining the needs or conditions to meet for a new or altered product, taking care of the conflicting requirements of the various stakeholders
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29 November 2012
Defining the architecture, components, modules, interfaces, and data
Defining the architecture, components, modules, interfaces, and data
Design independent, interchangeable collection of procedures and other values
Methods - Requirements analysis
¨ Rational Unified Process
¨ FURPS ¤ Functionality ¤ Usability ¤ Reliability ¤ Performance ¤ Supportability
¨ FURPS+ ¤ design constraints ¤ implementation
requirements ¤ interface requirements ¤ physical requirements
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
technical & non tech. requirements
¨ Legal requirements ¤ Data privacy, SOX
¨ Regulatory reqs ¤ Solvency II, Basel III
¨ Policy ¤ Computer security
¨ Recommandations ¤ W3C, IETF (RFC,
Internet Standards)
¨ Standards ¤ HTML, UNICODE, ISO,
ECMA, IANA, Java Specification Requests
¨ Non-standards ¤ Silverlight, Flash, XUL
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Methods – Naming convention
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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Methods - Enterprise architecture
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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Dat
a ar
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e Se
curit
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e
Strategy architecture
Business architecture
Application architecture
Technical / Infra architecture
IAGL (Conception et architecture logiciel)
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Software engineering ¤ Architecture
n Service Oriented Architecture (SOA) n Web Services using SOAP / REST
¤ Programming paradigm n Aspect-Oriented programming n XP Extreme Programming
¤ Software development process n Test-Driven Development n Continuous integration
¤ Code generation
IAGL (Conception et architecture logiciel)
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ App server – middleware ¤ Java EE ¤ .NET
¨ Architecture ¤ SCA (isn't dead?) ¤ Enterprise Service Bus
¨ Frameworks ¤ Hibernate ¤ Spring ¤ Struts ¤ Java Server Faces (JSF)
IAGL (Conception et architecture logiciel)
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Programming language ¤ C++ / Objective-C / C# ¤ Java, ADA, Cobol, VB ¤ HTML, CSS, JavaScript ¤ WSDL, XML, Json
¨ Framework - platform ¤ Django ¤ Microsoft .NET – J(2)EE ¤ Bootstrap Twitter – jQuery ¤ Application Server – Enterprise Service Bus - Cloud
IAGL (Conception et architecture logiciel)
¨ Database design ¤ Backus-Naur Form ¤ 1st-2nd-3rd Normal
Form
¨ Database engine ¤ Oracle, MySQL ¤ NoSQL: MongoDB
¨ Security ¤ See next slides
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Methods - Enterprise architecture
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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Dat
a ar
chite
ctur
e Se
curit
y ar
chite
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e
Strategy architecture
Business architecture
Application architecture
Technical / Infra architecture
TIIR (Systèmes, Réseaux, Sécurité)
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Network and system security through crypto, VPN, IPSec, OWASP-10
¨ Infrastructure and Frameworks ¨ Distributed algorithms (MongoDB) ¨ Architecture and Network technologies like Wi-Fi,
TCP/IP, ATM
Security analysis
R4eGov project
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Security and Organisational Control Requirements
- Collaboration
- Transactions
- Basic Security Services
- Rights Management
- Privacy
Cross-Organisational Workflow
privatepublic
publicprivate
private
public
A
A
A B
B
B
Security analysis
R4eGov project
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Security and Organisational Control Requirements
Coordination
ACID-Properties
Advanced Transaction Models
Pivot, Compensate, Retry
Mixed/Atomic Outcome
Time constraints
Enforcement (of steps)
- Collaboration
- Transactions
- Basic Security Services
- Rights Management
- Privacy
Security analysis
R4eGov project
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Security and Organisational Control Requirements
- Collaboration
- Transactions
- Basic Security Services
- Rights Management
- Privacy
Data Integrity
Non-Repudiation
Time Stamping
Authentication
Confidentiality
Traceability / ‘Structured Proof’
Assurance
Security analysis
R4eGov project
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Security and Organisational Control Requirements
Access Control
Revocation
Delegation
Separation of Duties
Obligation of Duties
- Collaboration
- Transactions
- Basic Security Services
- Rights Management
- Privacy
Security analysis
R4eGov project
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Security and Organisational Control Requirements
Unlinkability / Unobservability
Anonymity / Pseudonymity
Data Control / Obligation Management
- Collaboration
- Transactions
- Basic Security Services
- Rights Management
- Privacy
MOCAD (Modèles complexes, algorithmes et données)
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Design methodologies ¤ Multi-criteria Decision Aid method: PROMETHEE ¤ Forecast: Moving Average, Winters Exponential
smoothing
MOCAD (Modèles complexes, algorithmes et données)
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Big Data analysis ¤ Web pages ¤ Social networks ¤ Domain based information
n Justice
¤ Geolocation ¤ Electronic documents
Development Lifecycle 27
Use case agreement
Technical requirement
proposal
Software development Testing
Deployment
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Web & Mobile application design
E-services 28
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi 29 November 2012
Evolution: unified communications & technology
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
10 years ago, different devices for almost every type of interaction
Now, all interaction types integrated in one device
29 November 2012
E-services (Web & Mobile app design)
¨ Chrome (34%) ¨ IExplorer (32%) ¨ Firefox (24%) ¨ Safari (7%) ¨ Opera (2%) ¨ Mobile (8%) Source: http://bit.ly/O8o25M (July 2012)
¨ Android (23%) ¨ iPhone (21%) ¨ Opera (20%) ¨ Nokia (10%) ¨ BlackBerry (5%) ¨ iPod touch (4%) Source: http://bit.ly/O8o25M (July 2012)
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Web browser Mobile browser
29 November 2012
Android Dashboard
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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29 November 2012
Source: http://developer.android.com/about/dashboards/index.html
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Vocal interfaces Multi-touch interfaces
29 November 2012
Cloud computing or disguised Application Service Provider?
use of computing resources delivered as a Service over a network
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi 29 November 2012
Infrastructure as a Service (IaaS)
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ …to provision processing, storage, networks, and other fundamental computing resources where the consumer is able to deploy and run arbitrary software…
¨ …consumer DOES NOT manage or control the underlying cloud infrastructure but has control over [it]…
¨ … possibly limited control of select networking components (e.g., host firewalls)
Source: Mell, P., & Grance, T. (2011, September). The NIST Definition of Cloud Computing. Gaithersburg, Maryland, U.S.A.: National Institute of Standards and Technology.
29 November 2012
Platform-as-a-Service (PaaS)
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ …to deploy onto the cloud infrastructure consumer-created or acquired applications created using programming languages and tools supported by the provider
¨ … The consumer DOES NOT manage or control the underlying cloud infrastructure…
¨ … [but consumer] but has control over the deployed applications and possibly application hosting environment configurations
Source: Mell, P., & Grance, T. (2011, September). The NIST Definition of Cloud Computing. Gaithersburg, Maryland, U.S.A.: National Institute of Standards and Technology.
29 November 2012
Software-as-a-Service (SaaS)
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ …to use the provider’s applications running on a cloud infrastructure…
¨ The applications are accessible from various client devices through a thin client interface such as a web browser (e.g., web-based e-mail)
¨ The consumer DOES NOT manage or control the underlying cloud infrastructure … with the possible exception of limited user-specific application configuration settings
Source: Mell, P., & Grance, T. (2011, September). The NIST Definition of Cloud Computing. Gaithersburg, Maryland, U.S.A.: National Institute of Standards and Technology.
29 November 2012
IaaS
• Amazon Elastic Compute Cloud
• Google infrastructure • Microsoft Cloud infrastructure • Rackspace • Computer Sciences
Corporation • Terremark • Bluelock • Savvis
PaaS
• Google App Engine • Heroku • Engine Yard • AppScale
SaaS
• Google Apps • Salesforces • Zoho • Office365 - Hotmail
Cloud-as-a-Service (I/P/SaaS)
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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processing, storage, networks
Consumer created or acquired applications
processing, storage, networks
Provider’s applications
Consumer created or acquired applications
processing, storage, networks
29 November 2012
How much does it cost to deliver value to your customer?
Paran Yo
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
15$/1 million views without business complexity
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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Architecture -15$/1 million views without business complexity
User
Internet
Services: TaskQueue, Mail, Image, Fetch, Users
Python 2.5
Memcached API
Memcache transient
GQL – Query Object
DataStore persistent
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Architecture -15$/1 million views without business complexity
GAE SDK 1.6.5
Webapp1 APIs libraries
Google analytics
Google charts
OpenId 2.0 Users api
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Architecture -15$/1 million views without business complexity
Model
Datastore
View
Bootstrap Twitter 2.0.3
CSS 3 HTML 5
Controller
Django 1.2 (MTC)
10/05/2012 ydo@alt-f1.be
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Architecture -600$/1 million views without business complexity
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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GAE Application: How to budget the deletion of 5000 records in a table?
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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how to compute the cost of deleting 5000 records from a table containing five columns of string type. We assume that each column is indexed and there is no composite index.
60$/1 million views with business complexity
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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60$/1 million views with business complexity
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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Architecture - 60$/1 million views with business complexity
Model
Datastore
View
Bootstrap Twitter 2.0.3
jQuery 1.7.2 CSS 3 HTML 5
Controller
Django 1.2 (MTC)
10/05/2012 ydo@alt-f1.be
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Legal, regulations, investigations and compliance
The importance of the standards
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
I used to be blind, now I see!
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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Architecture - 7$/1 million views with business complexity
GAE SDK 1.7.3
Webapp2 APIs libraries
Google analytics
Google charts
OpenId 2.0 Users api
10/05/2012 ydo@alt-f1.be
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Technical summary
Paran Yo
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Case study: Paran Yo
¨ Cloud computing ¨ Platform-as-a-Server (PaaS)
¤ High availability ¤ Scalability ¤ Google App Engine
¨ NoSQL ¨ Creational design patterns
¤ Abstract factory ¤ Lazy initialisation (jQuery)
¨ Structural design patterns ¤ Decorator (Python) ¤ Front controller (app.yaml)
¨ Behavioral pattern ¤ Chain of responsibility (url
patterns) ¤ Iterator ¤ Mediator (middleware
django) ¨ Architectural pattern
¤ Model-View-Controller
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi 29 November 2012
Technical specifications
¨ Webapp2 ¨ python2.7 ¨ WTForms ¨ Tech spec
¤ GAE SDK 1.6.5 ¤ datastore ¤ Bootstrap Twitter 2.0.3 ¤ Google analytics ¤ Google charts
¤ Python Image Library (PIL)
¤ Memcache ¤ TaskQueues ¤ OpenId 2.0 ¤ Django 1.2 ¤ jQuery 1.7.2 ¤ Users api
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi 29 November 2012
Be carefull, « walking in my shoes »
¨ All previous slides are useless if you don’t know what your customer wants! ¤ Public/Private company ¤ Individuals ¤ Handicap ¤ Culture
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi 29 November 2012
We have talked about the costs, now let’s see how to make money?
Incomes - Earnings
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
On internet, how to earn money?
¨ Subscription fees ¤ Free + Advertising ¤ Freemium ¤ Premium
¨ Open Source model ¤ Free software but
support is invoiced
¨ Brokerage fees Affiliates ¤ Amazon associates ¤ iTunes Connect ¤ Google AdSense
¤ eBay affiliates ¤ Online advertising ¤ Ancillary revenues
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi 29 November 2012
Tips
Almost the end
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Performance best practices
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Optimizing caching (leverage browser caching) ¨ Minimizing round-trip times (parallelise downloads
across hostnames) ¨ Minimizing request overhead (Cookies) ¨ Minimizing payload size (minify the code) ¨ Optimizing browser rendering (specify everything) ¨ Optimizing for mobile (Defer JavaScript loading)
Source: https://developers.google.com/speed
Tips
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Have you developed a proof of concept ¨ ... using a complex use case ¨ ... running under the selected software architecture?
29 November 2012
Tips
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Read the financial reports ¤ investor.google.com - investor.fb.com ¤ www.coca-colacompany.com/investors
¨ Check slideshare.net ¨ Find valuable documents with Google with
¤ filetype:pdf pptx xlsx etc. ¨ Register to (but expensive)
¤ safaribooksonline.com ¤ books24x7.com ¤ getabstract.com
Tips
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Develop a mindset, adapt to change, work in team ¨ Speak like a business man, code like a geek ¨ Put in place an Escrow, Backup strategy & Source
Control first ¨ Do not set the “automatic updates” ¨ Document briefly your code but extensively your
architecture and processes ¨ Focus on innovation and how to bring value to the
business using your IT knowledge
Tips
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Integration projects are key ¨ Be bold in technologies applicable in multiple
domains ¨ Don’t try to become a project manager nor a
business analyst (it’s boring) ¨ Facilitate the life of your users, they are always
right!
Project manager
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ Run Forest, Run! (after the others) ¨ Value and report on Risk, EAC, ETC, Actuals, delays,
changes ¨ Learn what is important for the business (P&L)
Break the stereotypes
Who want to be a millionaire
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Apple and its closed architecture D
ata
arch
itect
ure
Secu
rity
arch
itect
ure
Strategy architecture
Business architecture
Application architecture
Technical / Infra architecture
¨ Impact of the App store for the developer?
29 November 2012
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alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Questions
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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What is the minimum daily rate you should be sold just after your graduation (in Belgium)? Who earns the best salary (5 years experience) A. Software developer (Java, .NET, etc.) B. Visual Basic developer for Soft architecture
Questions
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ in 2006, for a net salary of 25.000 EUR, you cost ¤ 62.000 EUR in Belgium ¤ 49.000 EUR in the Netherlands ¤ 37.000 EUR in UK ¤ 35.000 EUR in Luxembourg
Questions
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ in 2006, for 1.000 EUR net increase, you cost ¤ 3.300 EUR in Belgium ¤ 1.700 EUR in the Netherlands ¤ 1.500 EUR in UK ¤ 2.100 EUR in Luxembourg
Keep this in mind
29 November 2012 alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
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¨ How can IT capabilities support business strategy?
¨ How can business strategy be created/transformed through IT?
Q&A
alt-f1 sprl - Université de Lille1 Master informatique - Les conférences du Jeudi
Managing Partner ALT-F1 SPRL/BVBA Abdelkrim BOUJRAF
@: abo@alt-f1.be W: www.alt-f1.be M: +32 (0)497 480.970
70
29 November 2012
Twitter: @abdelkrim