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Malyshev Ap AUES.Pdf 6 7 8 Аннотация В дипломном проекте был проведён сравнительный анализ общедоступных сервисов и решений облачного хранилища. А также был смоделирован рабочий стенд облачного хранилища на решении с открытым исходным кодов – OwnCloud. В разделе безопасности жизнедеятельности был произведён анализ условий труда, был произведён расчёт кондиционирования в серверной комнате. В ходе разработки проекта был составлен бизнес-план, по полученным показателям которого видно, что проект является экономически эффективным. Annotation In this work was carried out a comparative analysis of public services and cloud storage solutions. Moreover, it has modeled on a stand cloud storage solutions with open source code - OwnCloud. Under life safety was made the analysis of working conditions, the calculation was made conditioning in the server room. The project development was drawn up a business plan, in which the resulting figures it is clear that the project is cost-effective. Аңдапта Бұл дипломдық жобады қоғамдықтың қызметтерін салыстырмалы талдау және сырттай сақтау шешімдері жүргізілді. Сонымен OwnCloud қатар ашық шығыс кодаларының шешімі негізінде сырттай сақтаудың жұмыс стенді моделденген. Өміртіршілік қауіпсіздігі бөлімінде еңбек жағдайларына талдау жүргізілген, серверлік бөлменің салқындату есептеулері есептелген. Жобаны дайындау барысында бизнес-жоба жасалды, жоба алынған көрсеткіштер бойынша экономикалық тұрғыдан тиімді болды. 9 Содержание Введение ................................................................................................................... 11 1 Облачное хранилище данных ............................................................................. 13 1.1 Предпосылки появления облачных технологий ......................................... 13 1.2 Что такое «Облачное хранилище данных»? ................................................ 14 1.3 Безопасно ли хранить файлы в «облаке?» ................................................... 16 1.4 Облачные шлюзы ........................................................................................... 18 1.5 Принцип работы облачного хранилища данных ........................................ 19 1.6 Обзор облачных хранилищ ........................................................................... 20 1.7 Обзор облачных решений ............................................................................. 29 2 Расчёт технических параметров ......................................................................... 56 2.1 Расчёт ёмкости облачного хранилища ......................................................... 57 2.2 Расчёт пропускной способности интернет каналов ................................... 63 2.3 Моделирование рабочего стенда .................................................................. 66 3 Безопасность жизнедеятельности ....................................................................... 72 3.1 Анализ условий труда и меры по снижению вредного воздействия ........ 72 3.2 Организация рабочего места на предприятии ............................................. 73 3.3 Использованное оборудование ..................................................................... 78 3.4 Расчёт кондиционирования ........................................................................... 79 4 Бизнес план ...................................................................................................... ..83 4.1 Цель и задачи проекта ................................................................................... 83 4.2 Финансовый план ........................................................................................... 83 Заключение .............................................................................................................. 92 Список литературы ................................................................................................. 93 Приложение А Справка антиплагиата Приложение Б Электронная версия ДП и демонстрационные CD Приложение В Раздаточные материалы (формат А4 - 16 листов) 10 Введение Все пользователи персональных компьютеров когда-нибудь сталкивались с такими выражениями, как «жесткий диск», «флэшка», «CD или DVD — диск». Так вот, все перечисленные атрибуты по своей сути являются носителями какой-либо информации. Но, для того, чтобы этой информацией воспользоваться или же с кем-то ею поделиться, данный носитель у вас должен быть при себе. Благодаря облачным хранилищам данных потребность в выше описанных носителях сама собой отпадает! Загрузив на сервера необходимую информацию, вы всегда сможете иметь к ней доступ с ПК или с любого другого устройства (планшет, смартфон, телефон), имеющего выход в интернет. Облачное хранилище данных – это виртуальный носитель информации, который хранит и обрабатывает данные на многочисленных серверах, разбросанных по всему миру. Каждый облачный сервис имеет определенный лимит в виде ГБ (Гигабайт) виртуального пространства, предоставляемого пользователю абсолютно бесплатно. Со временем, если пользователь захочет его расширить (увеличить), ему придется заплатить согласно тарифного плана. Получается своего рода рекламный ход. Человек привыкает к удобству и мобильности хранилища, а когда понимает, что облако его полностью устраивает во всех направлениях, платит за аренду «удовольствия». В основном платными тарифами пользуются люди, имеющие свой интернет- бизнес, предоставляя тем самым своим клиентам скачивать различные данные (файлы, обучающие курсы и т.д.) на хорошей скорости и с максимальной безопасностью. Тем, кто не собирается массово раздавать свои продукты, а использует облако в качестве хранения информации, доступ к которой время от времени предоставляется только узким кругам, вполне обойдутся бесплатными тарифами. На практике облачное хранилище данных дарит некоторые возможности пользователям ПК: - во-первых, надежное место для хранения личной и рабочей информации пользователя в неограниченном количестве файлов (у каждого провайдера свои лимиты бесплатного обслуживания, при постоянной подписки, не превышающие 10-25 ГБ); - во-вторых, гибридность доступа, владельцы имеют доступ к размещенной в облаке информации с любого мобильного и настольного устройства подключённого к сети интернет; - в-третьих – нет проблем с загрузкой файлов, дублированием и копированием. Это были основные моменты, дающие возможность решения и модернизации способов и мест хранения информации уже в настоящем. Для того, чтобы начать пользоваться сервером, необходимо лишь, выбрать 11 провайдера, установить приложение на компьютер и дополнительные устройства (планшет телефон и т.д.). Для выбора компании-провайдера, предлагающей услуги облачного хранилища, обуславливается больше видом деятельности пользователя и его интересами, так как функциональные возможности серверов существенно отличаются: - наличием приложений для операционных систем (Windows, Android, iOS, и др.), мобильных телефонов, смартфонов и т.п.; - лимитами бесплатного сервиса и условиями тарифных планов свыше лимитов; - ограничениями по объему файлов; - возможным расширением виртуального пространства для новых дисков, реферальными программами и мн. др. Актуальность темы моего дипломного проекта, состоит в том, что ежедневно, практически у каждого человека, потребность в доступе к информации с разных устройств возникает всё больше и больше, а носить с собой физические накопители не всегда удобно и не всегда получается, для решения этой проблемы, были созданы файловые хранилища, в которые можно загрузить информацию, а затем она будет доступна с любого устройства, подключённого к интернету. Целью дипломного проекта является сравнительный анализ общедоступных сервисов и решений, построение полноценной модели облачного хранилища и выявление экономического потенциала. Для достижения поставленной цели необходимо решить следующие задачи: - проанализировать и дать техническое описание об облачном хранилище; - дать характеристику плюсам и минусам «облака». Узнать, какие существуют облачные сервисы и решения; - проанализировать построение облачных файловых хранилищ с открытым исходным кодом; - построить модель облачного хранилища данных. 12 1 Облачное хранилище данных 1.1 Предпосылки появления облачных технологий Самому появлению облачных хранилищ ближе к 2005 году посодействовало пара фактор. В один момент, ряд компаний произвели наборы Web-приложений, предназначенных для работы с документами. В качестве абсолютно бесплатного дополнения к ним были файловые хранилища, и для прошлых лет это были приличные свободные ёмкости. Хранить файлы позволялось не только офисного происхождения, но и любые остальные форматы. Но с иной стороны, в тот момент начинала произрастать новая ветвь конкуренции между имеющимися почтовыми сервисами. И уже в качестве одной из форм конкуренции стало появление новых сервисных услуг, одной из которых стало предоставление свободного места в онлайн- хранилище. Увеличивалось оно прямо пропорционально с ростом увеличения объёма почтовых ящиков. К началу нынешнего века объём хранилищ имел счёт в десятки мегабайт, сегодня объём подошёл к отметке в несколько терабайт. Среди всех игроков на этом рынке, но сильнее выделялись Microsoft и Google. Первыми сервисами, первоначально ориентированные как облачное хранение были такие компании как, CrashPlan, Amazon S3 и многие другие существующие до сих пор, но в некоторых случаях изменившие бренд и марку компаний. Все пользователи использовали данные сервисы для синхронизации различных рабочих и домашних устройств между собой, для резервного копирования важных документов, иногда и просто для обмена файлами между пользователями.
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