ISO/IEC 20933-2016 pdf free.Information technology – Distributed Application Platforms and Services (DAPS)一Access Systems.
ISO/IEC 20933 specifies:
1) an ID triggered modular access system, the functions of the modules and the messages they exchange, and the sequence of messages, i.e. transitions of the transaction;
2) the system responsibility from receiving an access request until sending the result. i.e. a complete transaction:
3) the responsibilities of the modules, including time stamping and responding to the requests they received; and
4) the sequence and semantics of the messages and their elements.
2 Conformance
Conformant Access Systems progress transactions by evaluating the applicable rules. Conformant modules implement the requests on their interfaces, the corresponding responses and time stamping as specified herein.
3 Normative references
None.
4 Terms, definitions and acronyms
For the purposes of this document, the following terms, definitions and acronyms apply.
4.1 ID Identifier
4.2 RED Rule Evaluation and Dispatching
4.3 transaction request for access
5 Model Figure 1 illustrates the Access System structure.
The Access System has 5 modules “Access-point, Policy, Processing, RED and Storage” and 4 interfaces “Access-interface, Policy-interface, Processing-interface and Storage-interface”.
The Access System progresses a transaction by exchanging messages between modules and decides the final result (grant or deny). A transaction starts when an Access-point module obtains Access_request and completes when the RED module sends Final_Result_Notification. Each module shall have a time stamping function. The message exchanging and the time stamping function are managed by the RED module according to wies which are set by the Policy module.
6 Transaction
Transaction ID identifies a transaction. Transaction ID shall consist of Access ID, Access-point ID and time at which the Access_request is obtained. Access ID is included in Access_request.
Figure 2 specifies the state machine of a transaction.
A transaction is generated at the time of Access_request acceptance by an Access-point module. After that the transaction changes to on-going state by sending a Transaction_start_request including Transaction ID from the Access-point module to the RED module.
At the on-going state, the RED module evaluates rules until final result is obtained. According to the result of the evaluation, the RED module sends a request message to Processing or Storage module and receives a response message.
When the RED module obtains the final result, it sends Final_Result_Notification and the transaction is completed.ISO/IEC 20933 pdf download.
Tags: Information technology
-
ISO 8600-1-2013 pdf free download.Endoscopes – Medical endoscopes and endotherapy devices – Part 1: General requirements. 6 Marking 6.1 Minimum marking Iach individual endoscope or endotherapy device shall have the lollowing minimum marking: a) model number and/or other mark sufficient to identify the endoscope or endotherapy device and its manufacturer; b) maximum insertion portion width, minimum instrument channel width, working length, field of view and/or direction of view where such identification is necessary for the intended use of the endoscope or endotherapy device. The Insertion portion width and instrument channel width units shall be in millimetres. The insertion portion width and instrument channel width can also be marked in French size as defined in 3.5, shown by either ‘Fr or an encircled number; c) wherever reasonable and practicable. the endoscope or endotherapy device and detachable component(s) shall be identified in terms of lot numbers or serial numbers, etc. 6.2 Marking legibility The marking shall remain legible over the lifetime of the device when the endoscope or endotherapy device is used, cleaned, disinlected, sterilized and stored in accordance with the instruction manual. 6.3 Marking exceptions When marking on the endoscope or endotherapy device or detachable component(s) is impossible to achieve due…
-
ISO 15688-2012 pdf free download.Road construction and maintenance equipment – Soil stabilizers 一 Terminology and commercial specifications. This International Standard establishes the terminology, definitions of operation and commercial specifications for soil stabilizers and their components intended for use in road construction and pavement works. It does not apply to soil stabilizers used in agricultural applications. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.. ISO 3911, Wheels and rims for pneumatic tyres — Vocabulary, designation and marking ISO 6746-1, Earth-moving machinery — Definitions of dimensions and codes — Part 1: Base machine ISO 6746-2, Earth-moving machinery — Definitions of dimensions and codes — Part 2: Equipment and attachments ISO 7134. Earth-moving machinery — Graders — Terminology and commercial specifications 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 soil stabilizer self-propelled machine, either towed or transported, with the function of pulverizing, breaking-up, aerating, homogenizing, and loosening existing and imported soil or paving materials and mixing them…
-
ISO 18436-1-2012 pdf free.Condition monitoring and diagnostics of machines – Requirements for qualification and assessment of personnel一 Part 1: Requirements for assessment bodies and the assessment process. 5 Requirements for assessment body personnel 5.1 General provisions In order to ensure that the assessment process is carried out effectively and uniformly, the competence requirements for personnel involved in the entire process shall be defined by the assessment body and, in the case of a third party, be approved by the responsible TCC (in accordance with ISO/IEC 17024). The assessment body shall require its personnel (internal or external) to sign a contract, or other document, by which they commit themselves to comply with the rules defined by the assessment body, including those relating to confidentiality and those relating to independence from commercial and other interests, and from any prior or present link with the persons to be examined that would, in the opinion of the interested parties, compromise impartiality. Clearly documented instructions shall be available to the personnel, describing their duties and responsibilities. These instructions shall be maintained up to date. All personnel involved in any aspect of assessment activities shall possess appropriate educational qualifications, experience and technical expertise, which satisfy defined…