What is SoftwareReuse
What is Software Reuse
• Software reuse is the process of
implementing or updating software
systems using existing software
components.
HORIZONTAL REUSE AND
HORIZONTALREUSE AND
VERTICAL REUSE
VERTICAL REUSE
• Horizontal reuse to software components
used across a wide variety of applications.
• Vertical Reuse the reuse of system
functional areas, or domains, that can be
used by a family of systems with similar
functionality .
5.
Organization and Process
Organizationand Process
• Reusable components should be designed
and built in a clearly defined, open way,
with concise interface specifications,
understandable documentation, and an
eye towards future use.
6.
CHALLENGES IN SOFTWARE
CHALLENGESIN SOFTWARE
REUSE
REUSE
• Defining an organizational structure for maintaining the
product line, including core assets and the customer
specific products with special non-core functionality
• Defining a process for producing a new member of the
product line (or upgrading an old one) from the core
assets with customer specific requirements
• Defining a process for adding functionality to the core
product line assets based on new customer
requirements
• Instituting a training program for reuse strategies in
management, design, implementation, test-all phases of
the development process.
7.
REUSE COSTS
REUSE COSTS
•It is costly
• It involves spans organizational, technical,
and process changes, as well as the cost
of tools to support those changes, and the
cost of training people on the new tools
and changes.
TOOLS USED INREUSE
TOOLS USED IN REUSE
• Component management tools, such as
repositories, for architectures, designs,
documentation, and code must be
developed and maintained
• Domain analysis tools and procedures for
the development and maintenance of a
domain architecture
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