This post is about digital signatures. Digital Signature Issues Digital signature issues: Digital Signature Formats Digital signature format:s: XML Signature XML Signature, XMLDSig, DSig-XML o XML-SIG is a general framework for digital certificates. It is issued by W3C. Similar to…
A decision support system (DSS) is an information system that supports decision-making activities. This post is an introduction to decision support system (DSS). Decision Support System Classification There are different DSS taxonmies: Haettenschwiler’s Relationship to the User Taxonomy Haettenschwiler’s classification…
H.323 is a set of standards to provide audio-visual communication sessions on any packet network such as IP networks. It works in the OSI application (level 7) layer. H.323 Components H.323 components: Audio coding formats used by H.323 audio codecs…
This post is an introduction to the concept of organization. This subject is covered on topic 29.2023 of Spain’s AGE CSSTIAE body. Organizational Model Organizational model: Anthony Triangle The Anthony triangle takes a hierarchical view of management structure with the…
This post features applications to design books. List of Book Design Software Book design software featured on this post: Adobe InDesign Adobe InDesign is used by professional publishers. Paid Affinity Professional Freemium Affinity Publisher Affinity Publisher is used by…
This post is about investment appraisal and financial analysis. These methods are explained in CSSTIAE topic 2020.56. Investment Appraisal Concepts Total cost of ownership (TCO) includes the purchase price of a particular asset, plus operating costs, over the asset’s life…
Linux OS or GNU/Linux is a family of Unix-like operating systems based on the Linux kernel and that maintain some level of compatibility. Do not confuse Linux OS or GNU/Linux with the Linux kernel. When there is a need to…
Middleware is a type of computer software program that provides services to software applications beyond those available from the operating system. The term is frequently used in the context of distributed systems. For example, when talking about cluster middleware. You…
A Unix-like OS is an operating system based on Unix. The number of process states in Unix systems is 9. List of Unix-like OS Unix-like OS families: Unix System V Unix System V was developed by AT&T. Xenix Xenix was…
Service-oriented architecture (SOA) is covered in topic 2023.58 of CSSTIAE. SOA Standards and References SOA Standards and references: The OASIS SOA Reference Model can be found on this external link. SOA Principles SOA principles: OASIS SOA Reference Model’s Service Orientation…