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56 Cards in this Set

  • Front
  • Back

Infrastructure technology provides:?

basicfunctionality for e‐business applications

Basic infrastructure =

Internet and web technology

Advanced platforms =

ebXML, Web Services, multiagent system

Aspect‐oriented technology provides:?

supportfor specific aspects of e‐business

Function‐oriented technology provides:?

support for specific functions of e‐business

Internet protocol suite =

- Application layer,


- Transport Layer,


- Internet layer,


- Link layer.

URL structure consists of:

- Protocol indicator,


- domain adress,


- document adress.

The internet and the web are not the same thing: What is the difference:?

the web is a hypertext based informationstructure using




the internet as underlyingcommunication technology – one cannot ‘surf theinternet

Protocols and languages (for internet or web) aredifferent things: What is the difference?

- Protocols are used to specifyhow communication takes place,




- Languages tospecify what is communicated ‐ protocols areabout transport, languages about content.

Advanced platform technology provides:?

A general‐purpose infrastructure for e‐business

Specific e‐business standardization platforms are:?

- ebXML,


- Rosettanet

General e‐business technology platforms:

- Web Services technology,


- Multi‐agent technology.

Hybrid platforms: =

combining several platforms.

The ebXML standard provides: ?

A high‐leveltechnological framework for theimplementation of software that supports e‐business processes over the Internet.

The ebXML development was initiated in 1999by who?

The standardization organization OASIS andthe United Nations/ECE agency CEFACT.

This is a web service

ebXML overview:?

Web Service standards:?

- Languages


- Protocols


- Software specs

Voor Koen!




Mention three languages:

- XML (voor de SLA)


- WSDL


- BPEL

(makkelijke vraag)




Mention some important protocols:

HTTP


SOAP (mijn favoriet)


= Simple Object Access Protocol





Mentions one software spec:

UDDI

What is a Web service?

- UDDI group,


- W3C

UDDI group =

Self‐contained, modularbusiness applications that have open, Internetoriented, standards‐based interfaces”

W3C =

“A software application identified by aURI, whose interfaces and bindings arecapable of being defined, described, anddiscovered as XML artifacts.




A web servicesupports direct interactions with othersoftware agents using XML‐based messagesexchanged via Internet‐based protocols.

The Web Services frame work specifies: ?

an Internet‐based set of technology standards

The basic concept is a Web Service?

An encapsulatedpiece of software functionality that can be invokedthrough a well‐defined Web interface.

SOC =

Service-oriented Computing



SOA

Service-Oriented Architecture. (Later meer hierover)

What is the role of UDDI?

Given a description of what the service is supposed to do (contract), adynamic search is done for candidate services that are capable of fulfillingthat contract.

UDDI visual

What is in UDDI? (deze raad je nooit)

- White pages: organization, contract info,service




- Yellow pages: Classifications of companies and web service using standardized or user-defined taxonomies




- Green pages: How to invoke services

What is a Service‐oriented architecture?

Using the SOC paradigm as a basis for thearchitectural design of information systems, weget service‐oriented architecture (SOA).

SOA applied to enterprise e‐business applicationstypically relies on two main technologies:

- Managed service platform technology




- Enterprise service bus (ESB)

Managed service platform technology =

provides a setof basic mechanisms for the deployment andmanagement of software services



Enterprise service bus (ESB) technology =

Implementsthe functionality to easily make interconnectionsbetween services.

Aspect‐oriented technology provides?

functionality across e‐business functions



Important aspect‐oriented technology classes?

- Data management technology,


- Process management technology,


- Human communication technology,


- Security technology,


- Performance technology,


- Mobility technology

What type of architecture system is this?

What type of architecture system is this?

Client/server database

What is this?

What is this?

Security Technology

Secure Message Exchange and Cryptography =

- Confidentiality:


- Integrity:


- Authentication:


- Non‐repudiation:

Confidentially =

massage only readable by sender and the internet receiver.


Integrity =

message cannot be changed



Authentication =

Identity of the sender is assured



Non‐repudiation =

Sending of receivedmessage is ‘undeniable’ by sender

What type of inscription is this?

What type of inscription is this?

Asymmetric (receiver)

What type of inscription?

What type of inscription?



symmetric

What type of inscription?

What type of inscription?

Asymmetric (Sender)

Function‐oriented technology supports?

onespecific e‐business function

Important function‐oriented technology classes are?

- Electronic catalog technology,


- Electronic certificate technology,


- Electronic payment technology,


- Electronic contracting technology,


- Business intelligence technology

Parties in electronic certification?

Mapping A to T and T to B elements

Oke

Internet and Web technologies are ‘default and:

notexplicit in mappings between A and T aspects

Advanced platform technologies typically underlie acomplete architecture, not visible in A but?

can influence the choice of A modules

Aspect‐oriented technologies (mapping)

are used in variousmodules of an e‐business system; may in some casesbe located in dedicated low‐level A modules



Function‐oriented technologies (Mapping)

can be related toindividual modules identified in the architecture inthe A aspect



Wat een moeite, hebben jullie het gesnapt?

Ik ook