Smalltalk as a Service - Instantiations...Smalltalk as a Service Sebastian Heidbrink IT Consultant Tricept Informationssystem AG Tricept Informationssysteme AG Tricept Informationssysteme

Smalltalk as a Service

Sebastian Heidbrink

IT Consultant

Tricept Informationssystem AG

Tricept Informationssysteme AG


3

75%

11%

14%

Consultants + CEO

Of fice

Education

Since 1993 we are specialist in development of object-oriented software applications. Since

1999 we are primarily specializing in the field of retail banking and credit (functional and

conceptual)

Locations

• Detmold (Headquarter)

• Stuttgart

• Braunschweig

45 Employees

Sales Trend

Partner

Portfolio

4

Support

StrategyBusiness concept

Specification IT-Architecture Implementation

External Consultants


Strategy-Know-how Banks-Know-how Technology-Know-how

Project Management

Value

creation

Supplier

USP

Consulting

Conception

Development

Quality

Innovati

on

Efficienc

y

Lines of Products

5

Smalltalk Java .NET ServicesWebsite

.NET 3.0 / 3.5

WPF

TARIS

Java EE

TIBET /

JAMAICA

Java on the

Mainframe

VA- Smalltalk

Visual Works

Server-Smalltalk

ProFIS

Fine Conception

Internet

Solutions

Software

Development

Consulting

Java

Frameworks

PHP

TACOMA

Design

CMSProject

ManagementSeaside TFS

Consulting, Architecture, Design, Development, Test

Sharepoint

Copyright, Instantiations, Inc.

Smalltalk as a Service

Sebastian Heidbrink

IT Consultant

Tricept Informationssystem AG


VASmalltalk application


reliable mission critical

fully tested

successfully integrated costsmaintenance costs

developer team

anchillary costsopportunity costs

long-standing


Application

Configuration

System DB

Peripherial devices


Application

Configuration

System DB

User

Peripherial devices


Presentation tier

Business logic tier

Data model/access tiers


Our interest

New strategies/ possibilities

Keep our investments

Keep using our successful business logic

Offer our business logic to other projects


Current Situations / Applications

state of the art application• Embedded plattforms, mobile devices

• modern graphical user interface

• Web enabled, iPhone/iPad


Current Situations / Applications

state of the art application• Embedded plattforms, mobile devices

• modern graphical user interface

• Web enabled, iPhone/iPad

Legacy application• Why?

Legacy Plattform

Missing binding possibillities to new technologies

Missing Plattform independency

Web enabling not possible

• Solutions

Migration to JAVA/.Net

Reimplementation in JAVA/.Net

Keep it as is


Possible Solution

• Become state of the art• More modern, flexible GUI

• Better Workflows

• Access via mobile devices

• Access via the internet

• SOA

• Web Services • one possible solution


Requirements

Required/Helpful Software architecture• Strictly layered software architecture

• No business logic in GUI classes

• Ability to modularize business logic


Requirements




Analyse Infrastructure


Requirements




Analyse Infrastructure

Able to start small or step by step


Point of origin


VAST GUI based Application

Point of origin

Application Logic

Data Model Layer (Entity)

TransactionApplication Layer

Data Access Layer

External Interfaces and Backend

User Interface

Graphical User Interface (Control Layer)


Result

VASmalltalk Server

Web Services Interface

Application Logic

Data Model Layer (Entity)

TransactionApplication Layer

Data Access Layer

Web Service Security

Web Service Interface Layer

specific Interface (WSDL)

generic Interface (DataSchema)

Datasets

External Interfaces and Backend

ClientsWeb Services

.Net JAVA VB others

Datasets


Some of the clients

• Client Applications (approx. 350 WS)

Gold Coin Trading

Call Center Agent

Business Costumers

Security Management System

Credit Management for Business Customers

Credit Management for Private Customers

Templates Assistent


deploymentsecurity

testing

load balancing

administration

performance

logging

• Configuration

• ini files or DB LogLevel, source paths,

security, logpath, timeouts …

Environment configuration parameters

• Sources

• Web Service Deployment Descriptions (wsdls)

• XSD Schema files

• VAST source files / binaries

• server.icx

• Runtime as Service under Windows

• No additional application servers needed


• Server

Server Whitebox (SUNIT)

.Net TestClient

• Delivery of new Web Service Interface implementations

• Clients

Server Blackbox (NUNIT/JUNIT)

deploymentsecurity

testing

load balancing

administration

performance

logging


deploymentsecurity

testing

load balancing

administration

performance

logging


Load balancing

approx. 1500 clients

F5 Loadbalancer

24 + 12 servers


• Memory Consumption (120MB)

• Uptime (24h – several months)

• Clients count (15 – 800)

• Message sizes (15kb – 60MB)

deploymentsecurity

testing

load balancing

administration

performance

logging


• Files

• Windows Event Log

• Database

deploymentsecurity

testing

load balancing

administration

performance

logging


• Server information

Uptime

Deployed Web Services and versions

Logfiles

Configuration

Loglevel

• Session information

Loglevel

Logfiles

Detailed information

deploymentsecurity

testing

load balancing

administration

performance

logging


deploymentsecurity

testing

load balancing

administration

performance

logging

database


security

SOAP Security HeaderSSL /SOAP Security Header OASIS Web Services Security (WSS) TC

security state

configuration

http request header


Experience/Résumé

• Still a reliable solution

• Less additional applications

• Added some development tools to VASmalltalk

• Usage of Web Service Standards helps Client Projects

• Integration Plattform

• Easy restructuring of workflows

• SOA enabled

• Extended Process Chain

• Instantiations Commitment to Smalltalk

Documents

Smalltalk as a Service - Instantiations...Smalltalk as a Service Sebastian Heidbrink IT Consultant Tricept Informationssystem AG Tricept Informationssysteme AG Tricept Informationssysteme