BS ISO/IEC ISP 11188-3:1996 - Information technology. International standardized profiles. Common upper layer requirements - Minimal OSI upper layer facilities
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In the context of Information Technology (IT) and networking, the International Standardized Profiles (ISPs) refer to a set of specifications and guidelines defined by international standards organizations like the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). These profiles help ensure interoperability and compatibility between different systems and devices from various manufacturers.
When it comes to networking protocols and the OSI (Open Systems Interconnection) model, one of the key aspects of ISPs is the definition of Common Upper Layer Requirements. These requirements outline the minimum functionalities and capabilities that networking devices should support in the upper layers of the OSI model (Layers 5 to 7). The upper layers deal with application-level communication and services, and the Common Upper Layer Requirements ensure that certain functions are universally supported, facilitating communication between different systems.
One specific subset of Common Upper Layer Requirements is known as the "Minimal OSI Upper Layer Facilities." These facilities refer to the fundamental features that must be implemented in networking devices to support basic communication and interaction at the application layer. Some of the key Minimal OSI Upper Layer Facilities include:
Association Establishment: The ability to establish a connection or association between two network entities to facilitate data exchange.
Data Transfer: The capability to transmit data between network entities once the association has been established.
Dialogue Control: The ability to manage the flow of communication and ensure that data exchange occurs in an orderly manner.
Error Handling: The capacity to detect and handle errors that may occur during data transmission and reception.
Flow Control: The ability to regulate the rate of data flow to avoid overwhelming the receiver.
Data Syntax: The support for a common data format or syntax that both communicating entities understand.
Data Presentation: The ability to handle data conversion and presentation formats to ensure data compatibility between different systems.
Data Encryption: The provision of secure communication through data encryption and decryption mechanisms.
These Minimal OSI Upper Layer Facilities form the foundation for building more complex and specialized applications and services on top of the OSI model. By adhering to these common requirements, networking devices can ensure compatibility with various systems, promoting seamless communication and interoperation in heterogeneous environments.
It's important to note that specific profiles and requirements may vary depending on the application and the industry sector being addressed. The definition and evolution of ISPs are ongoing processes managed by international standardization bodies to keep up with technological advancements and changing networking needs.
Application layer (OSI); Verification; Interfaces (data processing); Syntax; Communication procedures; Session layer (OSI); Taxonomy; Presentation layer (OSI); Data transmission; Association control service element; Open systems interconnection; Definitions; Control functions; Data processing; Profile; Information exchange; Data transfer
BS ISO/IEC ISP 11188-3:1996 - Information technology. International standardized profiles. Common upper layer requirements - Minimal OSI upper layer facilities
