Cloud Computing

Media Files are as safe as any other files, you can decrypt your files so others cannot access them, you can use password protected files. However to ensure complete safety it is best to keep files of any type on a media storage device.

A good example of cloud computing is need for more data storage. All devices have a maximum amount of data they can receive. Cloud computing allows you to expand your amount of storage. Also it benefits you by allowing for email on the go.

Generally speaking, office cloud computing is very safe. The company that runs the servers will do everything in their power to protect your data. They will put up firewalls that can keep out intruders. They will install antivirus programs that will keep files from being corrupted by viruses. They may even assign a security team to work on the servers so that they can keep up with the advancements that are made by hackers.

Anyone can write a computer software but that person has to learn a computer language such as python, java or applet. a computer language is a form of typing that the computer can understand as commands. Binary is the format a computer uses to understand and process information. if you type something like "A" the computer reads it as a bunch of zeros and ones and is able to save it like that and when you revisit the file in which you typed the letter A, the computer will display it as an A. To write an operating system such as mac OS or windows you need to write it in binary which is The language that the computer can process it is only zeros and ones and requires trained professional software writers

Cloud computing is already the next big wave in Information Technology industry and Alliance Pro has the necessary experience and expertise to help you make the transition to the Cloud. We have emerged to be one of the leading cloud service providers in our own right. We offer cloud hosting solutions for our clientele who are into Infra, Pharma, IT/ITES, BFSI, Public sector.

Alliance Pro helps you in bringing down the entire array of cloud computing sphere to your availability. For all the conventional local data centers your business has got, Alliance Pro successfully takes them onto the Cloud.

We have adopted a customized approach to assimilate cloud computing services to our clientele. We take up each client of ours on a personal basis, observe, analyze and understand the clients’ requirements and confinements. This is how we develop a tailor-made data migration plan to the Cloud.

The first and fundamental challenge of providing cloud services is service availability. If your organization is looking to adopt cloud services rather than maintain local installations, you have to be convinced you can access the services and data you need whenever you need them without experiencing undue delays. The cloud service must look and feel as if its local, despite the fact that its hosted remotely.

If you are searching for the best cloud computing/migration services, then you can contact Halfbyte. We are the leading company for Cloud Migration Services with 24/7 local expert support. And our solutions are fast, reliable and secure. Halfbyte is your current cloud solution that integrates infrastructure, standardizes legacy environments and modernizes personal resources.

So, feel free to contact us for the best Cloud Migration Services.

Programmers

None. Swap is to be put on the hard disk.

Do NOT mistake secondary storage for "physical RAM." Physical RAM is actually the term used in context of the actual system memory in your computer.

Also, Linux 2.4 is an ancient codebase, obsolete kernel version that isn't even supported by kernel.org anymore. You should be using 2.6.32.61 or later.

Finally, the rule of thumb is 1.5 times the amount of physical RAM. So, if I have 4 GiB of system memory, then I'll make a 6 GiB swap partition.

The most practical and effective way to save data online right now is cloud storage. In the world of cloud computing, there are numerous cloud storage providers. Because this market is so enormous, every major computer business now has its own storage facility, which helps to increase user revenue significantly. In cloud computing, the user stores data somewhere else at a remote site that can be accessed through an internet connection rather than local or physical storage (hard disc). There are numerous cloud storage vendors who offer storage services in a variety of price points.

There are 10 benefits of cloud-based storage:

• Usability and accessibility
• Security
• Cost-efficient
• Convenient sharing of files
• Automation
• Multiple users
• Synchronization
• Convenience
• Scalable
• Disaster recovery

Cloud storage services have become so popular over the past ten years in the software industry that they are now offered by all the major computer companies. Data is the new power weapon, so every organisation, small or large, needs a cloud storage service to store their data. When you need to choose best cloud provider. C3 Pure Fibre is a fast and reliable network for a effective cloud storage.

No. Cloud computing means sharing and basically storing your files on the internet a.k.a the "cloud". Its very much similar to how you access your emails from services like gmail, yahoo, hotmail, etc. Its simply that.

But with Cloud Computing, it allows you to do more than just emails. You can store you r pictures, music, contacts online and access them with any device such desktops, laptop, ipads and mobile phones. Your computer then becomes a terminal to access them.

If you want to try Cloud Computing, check out Exvo. They have one the best cloud computing services today. Their services include picture sharing and music streaming. You can upload your mp3 files on their cloud, then access your songs on any device.

Cloud computing will allow more things usually done on the computer to be done online.

The emerging market trends for Cloud Computing gives rise to a lot of cloud service providers like mocha host, phoenix.co.uk, Verizonenterprise.com etc.,
Being the best cloud computing service provider with over $4 billion revenue, Amazons Web Service holds the best place in the world. There are few AWS Managed cloud service providers in India like,
1. Contus.com
2. Blazeclan
3. e-Zest
4. Datapipe
etc.,

An internal hard disk drive has its advantages and disadvantages. Here are the advantages: large storage capacity, stores and retrieves data much faster than a floppy disk or CD-ROM, data is not lost when you switch off the computer, usually fixed inside the computer so cannot get mislaid, cheap on a cost per megabyte compared to other storage media, hard disks can be replaced and upgraded as necessary, can have two hard disks in a machine, one can act as a mirror of the other and create a back up copy.

The advantages, on the other hand, are as follows: hard disks eventually fail which stops the computer from working, regular 'head' crashes can damage the surface of the disk, leading to loss of data in that sector, the disk is fixed inside the computer and cannot easily be transferred to another computer.

well the main difference is that in a parallel system there is multiple computing units (cpu) working in one node(they share memory ,attached devices , storage...) to accomplish a computing goal

in a clustered there is multiple nodes each has its own resources running its own copy of os (usually connected via lan) to accomplish a computing goal

1 Bringing down computing costs

2 Greater freedom for the cloud users as they can access data and applications from just about anywhere via multiple devices

3 Security in cloud computing is much better than a scattered network and that is one of the reasons why clouds are working.

Cloud computing is when data, programs, even access to printers and other devices are available through a server. The term "cloud" comes from the fact that the same cloud is accessible to many at the same time. It is meant to have everything all in one place that is available to all your computers/devices. In that sense it is better than a normal computer for storage.

Scalability refers to the ability to service a theoretical number of users. Web-based applications (called Cloud Computing) are often mentioned as scalable up to tens of thousands, hundreds of thousands, millions, or even more, simultaneous users. That means that at full capacity (usually marked as 80%), the system can handle that many users without failure to any user or without crashing as a whole because of resource exhaustion. The better an application's scalability, the more users it can handle simultaneously.

Software Requirements Specification for Library Information System (LIS) Version 2.0 Prepared by Edgar Khachatryan American University of Armenia, CIS 1 April, 28, 2005 Table of Contents Table of Contents 1 Revision History 1 1. Introduction 2 1.1 Purpose 2 1.2 Project scope Error! Bookmark not defined. 1.3 Definitions, acronyms, abbreviation Error! Bookmark not defined. 2. Overall Description 2 2.1 Product Perspective 2 2.3 User Classes and Characteristics 3 2.4 Operating Environment 3 2.5 User Documentation 3 3. System Features 4 3.1 Searching 4 3.1 Clark 4 4. External Interface Requirements 4 4.1 User Interfaces 4 4.2 Software Interfaces 4 4.3 Communications Interfaces 4 5. Other Nonfunctional Requirements 5 5.1 Safety Requirements 5 5.2 Security Requirements 5 5.3 Software Quality Attributes 5 6. Use Cases 5 Appendix A: Glossary 10 Revision History Name Date Reason For Changes Version Edgar Khachatryan 28.March.2005 Draft version 1.0 Draft Edgar Khachatryan 28.April.2005 2.0 1. Introduction 1.1 Purpose The goal of this document is to give description of how to use the Library Information System (LIS) (release 1.0). It gives complete information about functional and nonfunctional requirements of system. This SRS document is done for developers of LIS as well as for Library clerk and staff. Document easy to read and understood, there are no particular typographical conventions. 1.2 Project Scope Purpose of LIS is to automat activities of Library informational system such as storing information about books, members and sponsors as well as penalties will be executed by computer. LIS will allow doing statistics for Library purposes (such as, sorting books or ordering new books). LIS can be fully independent system, but also can be part of other systems. In all cases data base will be only in the local SC. All menus will be standardized by KDE standard. Main programming language will be C++ and for interface Visual Java. 1.3 References CIS 260 Software Engineering - I http://developer.kde.org/documentation/standards/kde/style/basics/index.html 1.4 Definitions, Acronyms, and Abbreviations LIS - Library Information System SC - Server Computer UC - User Computer SUC - Staff User Computer M1 - Undergraduate student M2 - Postgraduate student M3 - Research scholar M4 - Faculty Member 2. Overall Description 2.1 Product Perspective Software Library Information System is aimed to automate required activities of Library. LIS will give possibility to provide high quality service to the Library members, also to have high planned and fast work. Do to friendly and multifunctional interface Library clerk will be able to easily insert, delete and update data, also append comments concern stuff, sponsors, books and members. Also BS will be able to search and get information about books and their availabilities. 2.2 User Classes and Characteristics Clerk - The Clerk is an organizer of all activities in the Library. Clerk has an all rights and accesses to all private information. Clerk has an opportunity to delete or to add member's, staff's, book's, sponsor's or other important information. Clerk is a user of SC, all databases and statistics visible only for Clerk. Library Staff - Part of library staffs which have an access to the SUC allow giving book and taking returned books. Library staff Member - Each Library member has an ID number. They have access to UC and allow searching book and borrowing or reserving it. Members must return book in time or pay penalties. M1 - Undergraduate student, can issue up to 2 books for 1 mount duration. M2 - Postgraduate student, can issue up to 4 books for 1 mount duration. M3 - Research scholar, can issue up to 6 books for 3 mount duration. M4 - Faculty Member, can issue up to 10 books for 6 mount duration. Books - The Library has at least 10 000 books. Each book has unique number (ISBN). B1 - This books can be borrowed B2 - These books can only be used inside of Library. 2.3 Operating Environment LIS based on DOS platform and minimum requirements for hardware are 100 MB available in HDD, 8mb RAM and 2x CD-ROM. LIS copyrighted by CIS 1 and fully maintained, it working in two languages (English and Armenian) but can be translated in any language. 2.4 User Documentation LIS sell give help when user pushing F1 in keyboard as well as by clicking into help button. Help includes guidelines about searching and borrowing the book. Also there is documentation where each member could get information about borrowing durations and Library policy. For the first time shell give tutorial in Macromedia Flash environment. 3. System Features 3.1 Searching Searching can be done in two ways by title and by author. If keyword true information about book will be executed with information is it available or not. If keyword wrong system will send massage with error condition. If keyword true but book not available system will return information about book with information about borrowing period. 3.2 Clerk Clerk putting ID number of member, if member has penalties system sending alarm with information about penalty, otherwise it continues work. Then clerk putting ISBN of book and if it is not reserved system asking about allowing to continue if answer OK it moving book from available into borrowed. 4. External Interface Requirements 4.1 User Interfaces LIS are very friendly it can be used by user without any explanation. 4.2 Software Interfaces LIS including two parts of system, one for member and second for user. In user part only search is available, in clerk part available all parts of system. 4.3 Communications Interfaces Communications realized by standard forms and massage windows. 5. Other Nonfunctional Requirements 5.1 Safety Requirements Product can be installed only if there are some kinds of operating system which are based on DOS or if available only DOS. Strongly requirement is to close LIS before shutting down computer. 5.2 Security Requirements Copying or using LIS not allowing without asking CIS 1. 5.3 Software Quality Attributes LIS very specific software for specific purpose, it is very easy and safe, with high productiveness. 6. Use Cases Use Case ID: 1 Use Case Name: Search of Material Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader, Library Staff Description: A User accesses the LIS for searching a material. The process should be executed by LIS not more than 1 min. Preconditions: User is logged into LIS Postconditions: None Normal Flow: 1.0 Searching material 1. User asks to search material. 2. System opens appropriate place for choosing material. 3. User chooses appropriate material. 4. System opens appropriate place for searching. 5. User enters the key (keys) for searching the material. 6. System brings found records' list (records). 7. User chooses one record. Alternative Flows: None Exceptions: 1.0. E.1. Material to be searched does not exist. 1. System informs the user that the material does not exist in LIS data base. 2. User cancels the searching process. 3. System returns the user to the main window. Priority: Low Notes and Issues: Material is a book, CD, video, document, magazine, e-book. Use Case ID: 2 Use Case Name: Holding material Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader Description: A User accesses the LIS for holding a material. The process should be executed by LIS not more than 1 min. Preconditions: User is logged into LIS. Postconditions: 1. The delete process is conformed. 2. System updates the holding list. Normal Flow: 1.0 Holding material 1. User asks to search material. 2. System opens appropriate place for choosing material. 3. User chooses appropriate material. 4. System opens appropriate place for searching. 5. User enters the key (keys) for searching the material. 6. System brings found records' list (records). 7. User chooses one record. 8. User holds material. Alternative Flows: None: Exceptions: 1.0. E.1. Material to be hold does not exist. 1. System informs the user that the material does not exist in LIS data base. 2. User cancels the holding process. 3. System returns the user to the main window. Priority: High Notes and Issues: User can hold maximum 5 materials. Use Case ID: 3 Use Case Name: Returning book Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 4 Use Case Name: Input Output member Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 5 Use Case Name: Statistics Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 6 Use Case Name: Input Output Material Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 7 Use Case Name: Info about availableness Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 8 Use Case Name: Distant contact between reader and staff Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader and Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 9 Use Case Name: Penalty system Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: LIS Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 10 Use Case Name: Accountant system Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: LIS Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 11 Use Case Name: Print Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader, Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 12 Use Case Name: Reserve of material Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Appendix A: Glossary Fig.2. Sequence Diagram of LIS Fig.2. Class Diagram of LIS Fig.1. Use case diagram of LIS Software Requirements Specification for Library Information System (LIS) Version 2.0 Prepared by Edgar Khachatryan American University of Armenia, CIS 1 April, 28, 2005 Table of Contents Table of Contents 1 Revision History 1 1. Introduction 2 1.1 Purpose 2 1.2 Project scope Error! Bookmark not defined. 1.3 Definitions, acronyms, abbreviation Error! Bookmark not defined. 2. Overall Description 2 2.1 Product Perspective 2 2.3 User Classes and Characteristics 3 2.4 Operating Environment 3 2.5 User Documentation 3 3. System Features 4 3.1 Searching 4 3.1 Clark 4 4. External Interface Requirements 4 4.1 User Interfaces 4 4.2 Software Interfaces 4 4.3 Communications Interfaces 4 5. Other Nonfunctional Requirements 5 5.1 Safety Requirements 5 5.2 Security Requirements 5 5.3 Software Quality Attributes 5 6. Use Cases 5 Appendix A: Glossary 10 Revision History Name Date Reason For Changes Version Edgar Khachatryan 28.March.2005 Draft version 1.0 Draft Edgar Khachatryan 28.April.2005 2.0 1. Introduction 1.1 Purpose The goal of this document is to give description of how to use the Library Information System (LIS) (release 1.0). It gives complete information about functional and nonfunctional requirements of system. This SRS document is done for developers of LIS as well as for Library clerk and staff. Document easy to read and understood, there are no particular typographical conventions. 1.2 Project Scope Purpose of LIS is to automat activities of Library informational system such as storing information about books, members and sponsors as well as penalties will be executed by computer. LIS will allow doing statistics for Library purposes (such as, sorting books or ordering new books). LIS can be fully independent system, but also can be part of other systems. In all cases data base will be only in the local SC. All menus will be standardized by KDE standard. Main programming language will be C++ and for interface Visual Java. 1.3 References CIS 260 Software Engineering - I http://developer.kde.org/documentation/standards/kde/style/basics/index.html 1.4 Definitions, Acronyms, and Abbreviations LIS - Library Information System SC - Server Computer UC - User Computer SUC - Staff User Computer M1 - Undergraduate student M2 - Postgraduate student M3 - Research scholar M4 - Faculty Member 2. Overall Description 2.1 Product Perspective Software Library Information System is aimed to automate required activities of Library. LIS will give possibility to provide high quality service to the Library members, also to have high planned and fast work. Do to friendly and multifunctional interface Library clerk will be able to easily insert, delete and update data, also append comments concern stuff, sponsors, books and members. Also BS will be able to search and get information about books and their availabilities. 2.2 User Classes and Characteristics Clerk - The Clerk is an organizer of all activities in the Library. Clerk has an all rights and accesses to all private information. Clerk has an opportunity to delete or to add member's, staff's, book's, sponsor's or other important information. Clerk is a user of SC, all databases and statistics visible only for Clerk. Library Staff - Part of library staffs which have an access to the SUC allow giving book and taking returned books. Library staff Member - Each Library member has an ID number. They have access to UC and allow searching book and borrowing or reserving it. Members must return book in time or pay penalties. M1 - Undergraduate student, can issue up to 2 books for 1 mount duration. M2 - Postgraduate student, can issue up to 4 books for 1 mount duration. M3 - Research scholar, can issue up to 6 books for 3 mount duration. M4 - Faculty Member, can issue up to 10 books for 6 mount duration. Books - The Library has at least 10 000 books. Each book has unique number (ISBN). B1 - This books can be borrowed B2 - These books can only be used inside of Library. 2.3 Operating Environment LIS based on DOS platform and minimum requirements for hardware are 100 MB available in HDD, 8mb RAM and 2x CD-ROM. LIS copyrighted by CIS 1 and fully maintained, it working in two languages (English and Armenian) but can be translated in any language. 2.4 User Documentation LIS sell give help when user pushing F1 in keyboard as well as by clicking into help button. Help includes guidelines about searching and borrowing the book. Also there is documentation where each member could get information about borrowing durations and Library policy. For the first time shell give tutorial in Macromedia Flash environment. 3. System Features 3.1 Searching Searching can be done in two ways by title and by author. If keyword true information about book will be executed with information is it available or not. If keyword wrong system will send massage with error condition. If keyword true but book not available system will return information about book with information about borrowing period. 3.2 Clerk Clerk putting ID number of member, if member has penalties system sending alarm with information about penalty, otherwise it continues work. Then clerk putting ISBN of book and if it is not reserved system asking about allowing to continue if answer OK it moving book from available into borrowed. 4. External Interface Requirements 4.1 User Interfaces LIS are very friendly it can be used by user without any explanation. 4.2 Software Interfaces LIS including two parts of system, one for member and second for user. In user part only search is available, in clerk part available all parts of system. 4.3 Communications Interfaces Communications realized by standard forms and massage windows. 5. Other Nonfunctional Requirements 5.1 Safety Requirements Product can be installed only if there are some kinds of operating system which are based on DOS or if available only DOS. Strongly requirement is to close LIS before shutting down computer. 5.2 Security Requirements Copying or using LIS not allowing without asking CIS 1. 5.3 Software Quality Attributes LIS very specific software for specific purpose, it is very easy and safe, with high productiveness. 6. Use Cases Use Case ID: 1 Use Case Name: Search of Material Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader, Library Staff Description: A User accesses the LIS for searching a material. The process should be executed by LIS not more than 1 min. Preconditions: User is logged into LIS Postconditions: None Normal Flow: 1.0 Searching material 1. User asks to search material. 2. System opens appropriate place for choosing material. 3. User chooses appropriate material. 4. System opens appropriate place for searching. 5. User enters the key (keys) for searching the material. 6. System brings found records' list (records). 7. User chooses one record. Alternative Flows: None Exceptions: 1.0. E.1. Material to be searched does not exist. 1. System informs the user that the material does not exist in LIS data base. 2. User cancels the searching process. 3. System returns the user to the main window. Priority: Low Notes and Issues: Material is a book, CD, video, document, magazine, e-book. Use Case ID: 2 Use Case Name: Holding material Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader Description: A User accesses the LIS for holding a material. The process should be executed by LIS not more than 1 min. Preconditions: User is logged into LIS. Postconditions: 1. The delete process is conformed. 2. System updates the holding list. Normal Flow: 1.0 Holding material 1. User asks to search material. 2. System opens appropriate place for choosing material. 3. User chooses appropriate material. 4. System opens appropriate place for searching. 5. User enters the key (keys) for searching the material. 6. System brings found records' list (records). 7. User chooses one record. 8. User holds material. Alternative Flows: None: Exceptions: 1.0. E.1. Material to be hold does not exist. 1. System informs the user that the material does not exist in LIS data base. 2. User cancels the holding process. 3. System returns the user to the main window. Priority: High Notes and Issues: User can hold maximum 5 materials. Use Case ID: 3 Use Case Name: Returning book Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 4 Use Case Name: Input Output member Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 5 Use Case Name: Statistics Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 6 Use Case Name: Input Output Material Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 7 Use Case Name: Info about availableness Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 8 Use Case Name: Distant contact between reader and staff Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader and Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 9 Use Case Name: Penalty system Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: LIS Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 10 Use Case Name: Accountant system Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: LIS Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 11 Use Case Name: Print Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader, Library Staff Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Use Case ID: 12 Use Case Name: Reserve of material Created By: Edgar Khachatryan Last Updated by Edgar Khachatryan Date Created: April, 20, 2005 Date Last Updated Actors: Reader Description: Preconditions: Postconditions: Normal Flow: Alternative Flows: Exceptions: Priority: Notes and Issues: Appendix A: Glossary Fig.2. Sequence Diagram of LIS Fig.2. Class Diagram of LIS Fig.1. Use case diagram of LIS

Cloud computing monitoring services provide you with automated monitoring of your cloud computing resources. It monitors your resources performance to fully optimize its capacity and capability.

Cloud computing is a new technology that delivers many types of resources over the Internet. Therefore Cloud computing could be identified as a technology that uses the Internet as the communication medium to deliver its services.

Multi-cloud approach is the associated use of two or more cloud services to minimize the risk of general data loss or downtime due to a localized component failure in a cloud computing environment.