{"id":38564,"date":"2019-10-31T22:24:34","date_gmt":"2019-10-31T19:24:34","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novye-podhody-k-postroeniyu-skud-pri-ispolzovanii-web-tehnologij\/"},"modified":"2019-10-31T22:24:34","modified_gmt":"2019-10-31T19:24:34","slug":"novye-podhody-k-postroeniyu-skud-pri-ispolzovanii-web-tehnologij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/novye-podhody-k-postroeniyu-skud-pri-ispolzovanii-web-tehnologij","title":{"rendered":"Nye tilgange til opbygning af adgangskontrolsystemer ved brug af webteknologier","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Udviklingen af teknologier har haft en betydelig indflydelse p\u00e5 arkitekturen af adgangskontrolsystemer. Ved at f\u00f8lge udviklingen kan vi forudsige, hvad fremtiden bringer for os. <\/i><\/p>\n

Fortid<\/h4>\n

\nFor l\u00e6nge siden var computernetv\u00e6rk stadig en sj\u00e6ldenhed. De dengang eksisterende adgangskontrolsystemer blev bygget p\u00e5 f\u00f8lgende m\u00e5de: en master-controller betjente et begr\u00e6nset antal controllere, mens en computer fungerede som terminal til programmering og visning af information. Logikken bag driften blev styret af master-controllere, der kontrollerede sekund\u00e6re controllere. <\/p>\n

Sekund\u00e6re controllere kunne ikke udveksle information direkte med hinanden; kommunikationen foregik gennem master-controllere. Denne model satte v\u00e6sentlige begr\u00e6nsninger for udviklingen af adgangskontrolsystemer.<\/p>\n

\"Nye
\n<\/a><\/noindex>
\nUdviklingen af computere og netv\u00e6rksudstyr p\u00e5virkede arkitekturen af systemerne, hvilket f\u00f8rte til fremkomsten af multiserver adgangskontrolsystemer. \u00c6ndringerne ber\u00f8rte software, men undgik controllere, hvilket begr\u00e6nsede opbygningen og udviklingen af systemet. <\/p>\n

\"Nye
\n<\/p>\n

Denne<\/h4>\n

\nUdviklingen af mikroelektronik gjorde det muligt for udstyrsproducenter helt at \u00e6ndre arkitekturen af adgangskontrolsystemer. Den tidligere model blev efterfulgt af en arkitektur, hvor controllere kunne udveksle data direkte med hinanden. <\/p>\n

I denne model kunne softwaren installeres hvor som helst inden for det lokale netv\u00e6rk, og integrationen med andre sikkerhedssystemer blev lettet ved brugen af en f\u00e6lles informationsudvekslingsmilj\u00f8.<\/p>\n

\"Nye
\n
\nDenne model fungerer stadig godt i dag, men det nuv\u00e6rende niveau af teknologisk udvikling muligg\u00f8r opbygning af systemer med en helt anden arkitektur. Der findes et bredt udvalg af fysiske og logiske muligheder for at sikre forbindelsen mellem systemkomponenterne og midlerne til interaktion mellem brugerne og systemet. Blandt dem er konsolapplikationer, specialiserede controllere med grafisk interface, forskellige kontrolpaneler, tablets og telefoner samt brugen af standard WEB-browsere. Mulighederne for mikrokontrollere overstiger allerede mange gange ressourcerne fra de computere, der blev brugt i de f\u00f8rste adgangskontrolsystemer. <\/p>\n

Yderligere udvikling af arkitekturen for adgangskontrolsystemer<\/h4>\n

\nController som server<\/i><\/b><\/p>\n

En server i adgangskontrollsystemet (SKUD) er n\u00f8dvendig for korrekt at udf\u00f8re forretningslogikken i systemet og gemme data om brugere og h\u00e6ndelser. For 20 \u00e5r siden blev dette h\u00e5ndteret af en mastercontroller. Siden da er kravene til adgangskontrolsystemer steget betydeligt, men nutidens controllere overg\u00e5r ogs\u00e5 computerne fra for 20 \u00e5r siden. <\/p>\n

Systemserveren kan installeres direkte i controllere, hvis de har de n\u00f8dvendige ressourcer. Serveren, der implementeres i controllere, giver betydelige fordele. Det f\u00f8rste er nemheden ved at starte systemet. <\/p>\n

\"Nye
\n
\nEn af systemcontrollerne tildeles som server (eller master, som det engang hed), og den modtager instrukser om, hvilke controllere den skal arbejde med. Alt er klar. For at arbejde med fjernt beliggende objekter gives servercontrolleren en 'hvid' IP, som de andre controllere anvender for at oprette forbindelse til den. For integration med 1C skal man blot overf\u00f8re controllerens adresse til programmet. For integration med nummerpladegenkendelsessystemet skal man angive bilens registreringsnummer og IP-adressen til kameraet eller systemet, der kan genkende nummerplader.<\/p>\n

SKUD som en service<\/b><\/i><\/p>\n

Den anden vigtige fordel er brugervenligheden. Kunden beh\u00f8ver ikke l\u00e6ngere at bekymre sig om, hvilken computer systemet skal implementeres p\u00e5, hvor den vil st\u00e5, og hvem der skal vedligeholde den. Nu modtager kunden blot en IP-adresse, brugernavn og adgangskode \u2013 og kan overv\u00e5ge medarbejdernes disciplin, tildele adgangsrettigheder og udstede g\u00e6stepas i sin foretrukne browser. Det er tilstr\u00e6kkeligt at anskaffe en svingd\u00f8r og en controller (eller en f\u00e6rdig l\u00f8sning \u2013 et elektronisk adgangssystem) samt identifikatorer. Og systemet er klar.<\/p>\n

Denne tilgang stemmer maksimalt overens med den moderne tendens til at se SKUD som en service. Kunden t\u00e6nker ikke p\u00e5 installation og vedligeholdelse af systemet, da dette h\u00e5ndteres eksternt af specialister. Her opst\u00e5r uundg\u00e5eligt sp\u00f8rgsm\u00e5let om controllerens hastighed og dens evne til at arbejde med 10.000 brugere og 200 svingd\u00f8re? Indtil videre er det ikke muligt, men databasen kan placeres i skyen eller p\u00e5 en dedikeret server. serveren<\/a>Over time, the capabilities of controllers will grow, and the system described above can be deployed even in large enterprises with many employees and executive devices. <\/p>\n

Fremtid<\/h4>\n

\nStandardization as a trend<\/b><\/i><\/p>\n

The architecture of access control systems will be based on 'smart' controllers that will interact with each other independently, featuring several master controllers acting as a server. They will also be able to unite based on a single server (or several) servere<\/a>), ensuring the necessary logic of interaction.<\/p>\n

\"Nye
\n
\nIt is essential that the standardization of protocols is supported by all market players \u2013 not only at the level of interaction with the controller but also at the level of interaction between systems. <\/p>\n

It is possible that the development of a single standard will be implemented in the distant future. But even if this does not happen, standardization of interaction based on REST API and access to information through a browser must be implemented as soon as possible.
\n
Kilde: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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