Chunk is a control data (C/D) and packet set used in Stream Control Transmission Protocol (SCTP). SCTP packets are comprised of common headers and data chunks and vary by content. Data chunks are defined in RFC 4960, which updates RFC 2960 and RFC 3309.
A use case is a software and system engineering term that describes how a user uses a system to accomplish a particular goal. A use case acts as a software modeling technique that defines the features to be implemented and the resolution of any errors that may be encountered.
Use cases define interactions between external actors and the system to attain particular goals. There are three basic elements that make up a use case:
Use cases are modeled using unified modeling language and are represented by ovals containing the names of the use case. Actors are represented using lines with the name of the actor written below the line. To represent an actor's participation in a system, a line is drawn between the actor and the use case. Boxes around the use case represent the system boundary.
Characteristics associated with use cases are:
The steps in designing use cases are:
Read More »
Join 138,000+ IT pros on our weekly newsletter
Home | Advertising Info | Write for Us | About | Contact Us
2010 - 2014
Partner Sites :