the starship fleet: from point to multipoint

THE STARSHIP FLEET

FROM POINT TO MULTIPOINT

Mike Nowakowski

@mike_nowakowski

JUNE 2015

THE STARSHIP FLEET

A long time ago…

In a galaxy far away…

There was an elite fleet of starships…

THE STARSHIP FLEET

Point-to-Point

C = 3

THE STARSHIP FLEET

Point-to-Point

M2T

Ship B

M1

Ship A

THE STARSHIP FLEET

Point-to-Point

C = 10

THE STARSHIP FLEET

Point-to-Point

C = 45

THE STARSHIP FLEET

Point-to-Point

N(N-1)2

3 ships, C = 3

5 ships, C = 10

10 ships, C = 45

25 ships, C = 300

Maximum Connections

THE STARSHIP FLEET

Point-to-Point

➔ Highly coupled!

➔ Communication

◆ Ships

THE STARSHIP FLEET

Deep out in space…

There was a beacon of hope…

A ship so powerful and mighty…

Hub and Spoke

THE STARSHIP FLEET

Hub and Spoke

THE STARSHIP FLEET

Hub and Spoke

Maximum Connections

N

THE STARSHIP FLEET

Hub and Spoke

THE STARSHIP FLEET

Hub and Spoke

➔ Loose Coupling!

➔ Communication

◆ Enterprise

ENTERPRISE SERVICE BUS

Components

Service

EndpointM2


Components

HUB

T M1


Components

HUB

TM1 M2

Service

EndpointChannel


Components

Event / Message

Header

Attributes

Body

Channel

TCP / UDPHTTPFTP...

Endpoint

DatabaseWeb ServiceIoT Device

...

THE STARSHIP FLEET

What’s wrong with this picture?

THE STARSHIP FLEET

What’s wrong with this picture?

➔ Dependency

➔ Single-point of Failure

➔ Scalability and Performance

THE STARSHIP FLEET

Enterprise Service Bus

S1

S2

S3

Services

=

THE STARSHIP FLEET

Enterprise Service Bus

=

S1

S2

S3


An enterprise service bus (ESB) is a software architecture model used for

designing and implementing communication between mutually

interacting software applications in a service-oriented architecture (SOA).

- Wikipedia

What is it?


What is it?

SOAenables

ESB


Systems View

App 2App 1 API 1

API 2

App 3MySQL

CSVXML JSON

XMLJSON

JDBC

ESB


Business View

CreateInvoice

Process Order

Create Order

ESB

UpdateInventory


Multiple

CreateInvoice

Process Order

Create Order

ESB 1

UpdateInventory

TorontoESB 2


➔ Connectivity

➔ Routing

➔ Reliability

➔ Data Transformation

➔ Administration

➔ Standards

➔ Security

Characteristics


➔ Priority

◆ How important is the message?

◆ Levels (Low, High, etc.)

➔ Types

◆ Content-Based

◆ Conditional

◆ Policy-Based

Routing


➔ Types◆ Content-Based (CBR)

Routing

App 1

998-456-1234

App 2

1-997-678-1234

App 3

M

M T

ESB

ESB


➔ Types◆ Conditional

Routing

M

App 1

98125

T

App 2

500

App 3

M

< 100

App 4


➔ Types◆ Policy-Based

Routing

M

Store 1

Return T-shirt

T

Store 2

Return T-shirt

Return Hat

Department 1

M Department 2

ESB


➔ QoS (Quality of Service)

◆ Bandwidth

◆ Latency

◆ Throughput

➔ Monitoring and Logging

➔ Scalability

➔ Performance

Reliability


➔ Message Exchange Patterns (MEPs)◆ One-Way

Reliability

App 1 App 2ESBRequest Request


➔ Message Exchange Patterns (MEPs)◆ Request/Response

Reliability

App 1

Request

App 2Response

ESB


➔ Message Exchange Patterns (MEPs)

◆ Request/Callback

◆ Publish/Subscribe

Reliability


➔ Formats

➔ Data Mapping

◆ Look-up tables, Subsets, Custom Functions

Data Transformation

App 1

Order IDCountry Code

CA

T

App2

Order IDCountryCanada

ESB


➔ Accounts & Users

➔ Configuration

➔ Change Management

➔ Capacity Management

➔ Governance

Administration


➔ Audits

➔ Attack Surface / Vectors

➔ Access Control

➔ Confidentiality

➔ Compliance

➔ Data Retention

➔ Data Ownership

Security


➔ XML

Standards

<order><id>10000</id><quantity>1</quantity><amount>$1000.00</amount><product>Laptop</product>

</order>


➔ XML

◆ XPath and XQuery

Standards

Input

<orders><order>1</order><order>2</order>

</orders>

T

Query

/orders/order[2]

Output

<order>2</order>


➔ XML

◆ WSDL

◆ SOAP

Standards


➔ JSON

◆ RAML

● RESTful API Modeling Language

● YAML and JSON

Standards


➔ Technical

◆ Maintainability

◆ Scalability

◆ Performance

◆ Security

Benefits


➔ Business

◆ Agility

◆ Value

◆ Solutions

◆ Lower Costs

Benefits


What’s out there?

2000 2010 20152005

Microsoft BizTalk

Red Hat JBoss Fuse

Microsoft Azure Bus

Oracle Service Bus

MuleSoft


➔ Red Hat JBoss Fuse

➔ MuleSoft

➔ Oracle Service Bus

➔ Microsoft BizTalk

➔ Microsoft Azure Service Bus

What’s out there?

THANKS!

Questions?

[email protected]

@mike_nowakowski

REFERENCES

Chappell, David. 2004. Enterprise Service Bus. Sebastopol,

California. O’Reilly Media.

Enterprise Service Bus. In Wikipedia. Retrieved March 13, 2015, from

http://en.wikipedia.org/wiki/Enterprise_service_bus.

Josuttis, Nicolai. 2007. SOA in Practice: The Art of Distributed

System Design. Sebastopol, California. O’Reilly Media.

the starship fleet: from point to multipoint

Technology

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communication enterprise

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request app

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response esb

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