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Secure Internet based Virtual Trading Communities
Nathalie Weiler, Bernhard Plattner
IEEE Workshop on Future Trends of Distributed Computing Systems (FTDCS'99),
Cape Town, South Africa, December 20-22, 1999
Available as PDF-file
Abstract: Today, we face a growing interest in distributed business-to-business
applications using the Internet as communication media. However, the involved
security threats are often neglected in the design of such systems. In this
paper, we present our security architecture for an Internet based virtual
trading community. Our solution has been designed for an heterogeneous, distributed
workflow management system environment which we call WISE (Workflow based
Internet SErvices). The modular security services toolbox and the group key
management form the core of the security architecture. Furthermore, we do
not interfere with local security policies. We rather reuse the defined roles
by mapping them to security communication
parameters. So, we are able to present a scalable, secure solution for cooperative
work over the Internet. Middleware supporting secure applications in a distributed
environment faces several challenges. Scalable security in the context of
multicasting or broadcasting is especially hard when privacy and authenticity
is to be assured to highly dynamic groups where the application allows participants
to join and leave at any time.
Keywords: Security architecture, Group key management, Secure
workflow based Internet trading communities, Secure computer supported cooperative
work.
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WISE: Business to business E-Commerce
G. Alonso, U. Fiedler, C. Hagen, A. Lazcano, H. Schuldt, N. Weiler,
9th International Workshop on Research Issues on Data Engineering (RIDE-VE'99).
Sydney, Australia, March 23-24, 1999
Abstract: Business to business is one of the most successful forms
of electronic commerce. Until recently, however, given the significant effort
and investment required to deploy the necessary technology, this form of
electronic commerce was a prerogative of large enterprises with well established
commercial links. Nowadays, the advent of the Internet and the proliferation
of inexpensive computing power in the form of clusters of workstations or
PCs has changed this situation entirely. Small and medium enterprises can
now afford to engage in business to business electronic commerce by using
the Internet to link their information processing systems. With the hardware
infrastructure in place, there is a great demand for software support. In
this paper we briefly describe the WISE project (Workflow based Interned
SErvices), which can be seen as an attempt to address the demand for appropriate
tools for electronic commerce. The goals of WISE are to develop and deploy
the software infrastructure necessary to support business to business electronic
commerce in the form of virtual enterprises. The idea is to combine the tools
and services of different companies as building blocks of a higher level
system in which a process acts as the blueprint for control and data flow
within the virtual enterprise. From this idea, the final goal is to build
the basic support for an Internet trading community where enterprises can
join their services to provide added value processes.
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WISE: Business to business E-Commerce
G. Alonso, U. Fiedler, C. Hagen, A. Lazcano, H. Schuldt, N. Weiler
1st European Workshop on Workflow and Process Management (WPM'98),
October 2nd, 1998, Zurich, Switzerland
Available as PostScript-file.