In this research article we discuss the protocols, architecture and propose the design of Network Domain Security (NDS) model for IP Multimedia Subsystem (IMS). The IMS is standard...
Almost every company needs to process invoices to either claim money from their customers or to pay for products or services. Although companies are allowed to electronically proce...
Abstract. The Mondex case study concerns the formal development and verification of an electronic purse protocol. Several groups have worked on its specification and mechanical ver...
Inspired by the properties of the refinement development of the Mondex Electronic Purse, we view an isolated atomic action as a family of transitions with a common before-state, an...
Abstract. Formal methods emphasizes the need for a top-down approach when developing large reliable software systems. Refinements are map step by step abstract algebraic specificat...