Ages 4.0 – All sectors are affected strongly by IT





CMCN 4.0 will take place on 3 main areas include Digital, Biotechnology and Physics (According to Klaus Schwab).

Digital in CMCN 4.0 will include: Artificial Intelligence (AI), Everything connected – Internet of Things (IoT) and large data (Big Data). With the emergence of artificial intelligence robots have brought many applications in society. Accordingly, the real world that we know, from people, cars, houses, properties, companies, in the industrial revolution for the fourth time will switch to the digital world. There will be “a copy of the real world” on the digital world. World number also potentially leak information, which poses a challenge of information security.




In the field of biotechnology, CMCN 4.0 IT to focus on using research to create the achievements in environmental protection, renewable energy …. IT pros with Vietnam batch system can help save costs compared with current conventional methods. For example, medicine to artificial intelligence also formed “doctor plucking” the ability to remember and millions diagnostic medical record.

In the field of physics with new-generation robots, 3D printers, self-driving cars, the new material (graphene, skyrmions …) and nanotechnology. Generation unmanned vehicles will be developed to ensure the safety of many times higher because there is no drunk beer, red light, sped beyond Europe.

It can be seen, the Industrial Revolution 4.0, the powerful impact of IT, will create leap in all areas & all industries and changed the economic sectors.
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4.0 times – IT Learning is the advantage!

During the Industrial Revolution 4.0, the factors that the developing countries (Vietnam, Laos, Indonesia, ….) Is proud to be dominant as workforce young, abundant will not be strong moreover may soon be replaced by artificial intelligence (AI). In the future, the workforce in all fields may lose their jobs by robotic technology can impact on all the sectors of textile, services and entertainment to healthcare, transportation, education … Therefore, it is good times for students of information technology: Programming, network Administration, Security, .. demonstrate knowledge, skill and bravery in the new era – the time University 4.0.

“The demand for IT manpower recruitment highest in history” was the verdict of VietnamWorks (Recruitment Website in Vietnam). As predicted by Top Dev, 2020, Vietnam will need manpower sector 1,000,000 IT. More than 90% of employers surveyed also shared, they are struggling to recruit and retain IT staff good.

It can be seen, the IT industry is a “promised land” with job opportunities open and attractive salary (starting at $ 400 – by CareerOne). Therefore IT learning in the present time is the advantage.

But the existence of the fact that: In order to keep pace with the current trend of 4.0, the training of a new generation of IT-ers with good professional skills after graduation is an unsolvable problem. Force IT industry in Vietnam is lacking in quantity but also the number of human “nature” is not too much. This makes capital industry from previously “soft” human now even “soft” over.



The industrial revolution 4.0





The first industrial revolution in the world took place in the 18th century, when the workers using steam and machinery in production to replace human power. Then electricity is born, is used in the production line and the production model of large scale, is the source of the 2nd revolution in the 1970s when computers came into being, this creates a series of changes in how people process information, automation using robots, this is the 3rd revolution.

Currently, we are engaged in the industrial revolution 4th, also known as the Industrial Revolution 4.0 (Industry 4.0). This revolution created the environment in which computers, automation and people will work together in ways entirely new. Here, robots and machines will be connected to the computer system, the system will use algorithms to control without human intervention.




Industrial Revolution 4.0 will take place like?

CMCN 4.0 will take place on 3 main areas include biotechnology, Digital and Physical. In particular, the core elements of Digital will be: Artificial Intelligence (AI), Everything connected – Internet of Things (IoT) and large data (Big Data).

In the field of biotechnology, CMCN 4.0 focused research to create breakthroughs in agriculture, aquaculture, medicine, food processing, environmental protection, energy of renewable chemicals and materials data, along with the physical sector new generation robots, 3D printers, self-driving cars, new materials and nanotechnology.

Currently, CMCN 4.0 taking place in the developed countries like the US, Europe, part of Asia. Besides the new opportunities, in the process of implementing CMCN 4.0, countries are also faced with many barriers.
Kết quả hình ảnh cho công nghệ 4.0
Opportunities and challenges when implementing CMCN 4.0

Applying technological innovations will help the manufacturing process faster, less manpower and data collection more complete. Product quality is assured by control from the stage of raw materials until the picture and go to consumers. Moreover, people will not directly work in dangerous working environments, reduce mortality, morbidity during labor.

However, many workers will lose their jobs by machinery replaced. Enterprises also have difficulty in recruiting human resources meet the requirements of the job. This can lead to inequality, even break the labor market. Also, CMCN 4.0 requires businesses to change. To survive and develop, they have to invest and upgrade technology at the same time improving the quality of personnel.

Economic instability will lead to instability of life, even politics. The new technology will result in a change of power, security concerns, increasing wealth gap.

Besides, changes in the way of communication on the Internet also poses challenges for information security for both individual systems and humans. We have to do to secure the data everywhere and regularly exchanged between systems.

In summary, CMCN 4.0 will affect a lot to the economy of a country, which gives us many opportunities but also numerous challenges and difficulties.



Blockchain





Technology like the Internet because it blockchain have a powerful built. By storing the same information block on its network, blockchain impossible:

Being controlled by any one entity does
not have shortcomings, single error.
Bitcoin was released in 2008, since then, Bitcoin is operated blockchain, operating without significant interruption. To this, any problem related to Bitcoin is due to hacking or mismanagement. In other words, these problems come from bad intentions and human error, not the flaws of Bitcoin itself.

The Internet has proven to be reliable in almost 30 years. This is good for a track record of technology blockchain as it continues to be developed.




Transparent and can not be broken
Blockchain networks exist in the status of the agreement, automatically check every 10 minutes. A kind of self-control ecosystem digital value, the network will air every transaction that occurs in about 10 minutes. Each transaction groups are called blocks. Two important characteristics to be drawn from this:

Transparency: Data embedded in the network as a bloc, openly.
It can not be broken: When you change any information on units blockchain means using a large computer to overwrite the entire network.
In theory, this could happen. In fact, it did not happen. For example, the control system to take Bitcoin will cause its value is destroyed.
Kết quả hình ảnh cho blockchain
A network of nodes
A network of compute nodes forming blockchain. Buttons here are computers connected to the network blockchain, use the client to perform the task confirmation and forward transactions. Button will receive a copy of blockchain, loaded automatically when participating blockchain.

These buttons together to create a strong supply network 2, a completely different perspective of how the Internet can operate. Each node is an “administrator” of the network blockchain and automatically join the network, the motivation for this involvement is the chance to win a Bitcoin.

Also known as the peach button Bitcoin, but this term has little confused. In fact, everyone is competing for Bitcoins by solving the puzzles. Bitcoin is the “raison d’être” of blockchain since it was formed. Bitcoin is only recognized as a very small part of the potential of technology blockchain.

700 digital currency Bitcoin is similar, there are also many variations of the original concept blockchain currently operating or under development.

The idea of decentralization
By design, blockchain a decentralized technology. Whatever happened on that are functions of the network. Some important suggestions derived from this. Thanks to create new ways to confirm the transaction which the commercial aspects of tradition can become unnecessary. Such as those traded on the stock market can perform simultaneously on blockchain, or can store documents like the red book, totally public. And decentralization has become a reality.

Global computer networks use technology to the management blockchain database, records of Bitcoin transactions. Ie, Bitcoin is managed by its network and no one is the center of both. Decentralization means the network operates on the basis of user or P2P. The collective forms of cooperation can be done just beginning to be studied.

Enhanced security
Thanks to data storage on your network, blockchain eliminate risks associated with data to be centrally organized. Its network has no vulnerable points. Meanwhile, the issue of security over the Internet, is becoming increasingly complex. We all rely on the system username / password to protect their identity and their assets on the network, but the system still more likely broken. Privacy blockchain method uses encryption technology with the key pair public / private. The public key (a long string of random numbers) is the address of a user on blockchain. Bitcoin sent over the network will be noted that the address belongs. Private courses like passwords, allows owners access to Bitcoin or other digital assets. Storing data on blockchain and it will not be damaged. This is true,

Blockchain can be used where?
This list is taken from the article “What is Blockchain Technology? A Step-by-Step Guide For Beginners” on blockgeeks.com, I have omitted some as too long and confusing, here’s what remains:

smart contract
the split ledger that allows encryption of simple contract, will be executed when certain conditions are met. Ethereum is an open source project blockchain, built specifically to meet this requirement. However, in the early stages of development, Ethereum have the potential to take advantage of blockchain on a larger scale as th



Blockchain is what?




Blockchain a ledger digital divide or understandable than the database in a network. Ledger is shared for those who participate in the network. This shows that the entire system is not only a unique position, a document can be used as a basis credible (authority) only, because the time to copy the same version ledger is set many places.




All copies are updated when new data or transactions are recorded in blockchain through the consent of everyone involved. Diggers responsible approve the transaction and network monitoring by addressing the sophisticated formula with the help of computers. It is a P2P system, eliminating all intermediaries, enhances security, transparency and stability as well as reduce the costs and human error caused. 

By enabling distribution of digital information but may not be reproduced, technology backbone blockchain has created a new type of Internet.

In the book Blockchain Revolution (2016), Don & Alex Tapscott has stated that: “Blockchain a ledger digital can not be damaged by the economic transactions, which can be programmed to record not only the financial transactions that can record everything valuable. ” 

Blockchain work like? 
Technology blockchain is probably the best invention since the Internet itself. It allows the exchange value without trust or evidence do believe. Imagine you and I bet 50 $ for weather tomorrow in San Francisco. I bet it will shine, you bet rain. Today we have three options to manage this transaction:
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We can trust each other. Rain or shine, the loser will pay 50 dollars for the winner. If we are friends, this might be a good way to bet. However, whether they are friends or strangers, can not be easily paid for the other. 
We can turn into a contract bet. With a contract in place, both parties will easily pay more, however, if one of them decided not to pay, the winner will have to pay more to cover legal expenses and judgments may takes a long time. Especially with a small amount of cash, this seems not the optimal way to manage transactions.
We can turn to a neutral third party. Each of us gave $ 50 for a third person, she would bring the total amount to the winner. But, she also absconded with all the money. Therefore, we will choose one of two options first: trust or contract. 
Both trust and contracts are not the optimal solution. We can not trust the strangers and contract enforcement requires time and money. Technology blockchain is exciting because it gives us a third choice, safe, fast and cheap.

Blockchain allows write a few lines of code, the program running on blockchain, which both we send 50 dollars on it. This program will hold a $ 100 security and check the weather tomorrow automatically on multiple data sources. Sunny or rainy, it will automatically transfer the entire amount to the winner. Each party can check the contract logic, and because it is running on blockchain it can not be changed or stopped. This effort may be too high for a single transaction of $ 50, but imagine when selling home or company. 

The objective of this section is to explain how blockchain operate without discussing the deep technical details, but enough so that you have a general idea of the basic logic and mechanisms.

Applications known and most discussed of technology blockchain is Bitcoin. A currency that can be used to exchange products and services, like the US dollar (USD), Euro (EUR), copper (Vietnam) and other national currencies. Please use the first application of this technology to learn how blockchain its operations.




Advantages and disadvantages of Bitcoin





Advantage:

Counterfeit money for bitcoin elimination: you can be true, but bitcoin printing, because it does not exist, the algorithm of its birth can be programmed.

There is no limit to transactions: if you want to put 100 thousand dollars in person, maybe you need to pay attention to your word sub branch, or if you want to move to PayPal $10000, for example, you need to have certain conditions and He spent a lot of money on the exact time. However, bitcoin, you can limit the amount of bitcoin to no one, and at any time, there is almost no waste. It’s very simple. It only needs network connection.




No transaction fee: This is a real bitcoin transaction, because you do not need to pass any intermediary organization charges should be no friends. If there is a very small fee, the so-called transaction cost is handled by the bitcoin exchange.

Very safe and secure: information bitcoin transaction can not display any personal information of you, so no one will know the identity of bitcoin trading.

Potential E-Business: all bitcoin transactions are completely anonymous, unable to return and reverse, so they can be more secure and fraudulent for salespeople.

Saving and protecting the environment: people who print all kinds of paper or coin coins need to use chemical raw materials because it is through multi information algorithm with bitcoin unborn computer system. It is said that the cost of bitcoin transaction is that electricity can be saved a certain amount of calculation than this money?

Kết quả hình ảnh cho bitcoin

Weaknesses:

Validation: slow speed is due to the safety and authentication of bitcoin transactions, which require many steps to complete transactions (transactions need to be certified and six to 10 minutes), so if mobile or pay a little money. A few dollars in the middle may be a bit of a waste of time.

There are few user information bitcoins: although it is becoming more and more common, people understand, trust and use bitcoins too little, especially in a country in Vietnam, we have become accustomed to cash holdings of V content, like. Ng bitcoin takes a lot of time to become universal.

It is difficult to use one than the other 100%: because currency transactions, the knowledge and technology of those people who rotate the Internet in SDO, it is difficult to take time to understand and start using bitcoin.

Crime, money laundering and hackers: why bitcoin is a money that is not subject to any management and anonymity, it can be used in trading legitimacy transactions and money laundering prohibition, in addition, bitcoin. Stored in electronic purse on the exchange, because all hackers can steal.

There is no clear law in the hall: most countries do not prohibit, but they do not support bitcoin trading, so many people are afraid that they will not dare to let their money into the information media. G’s command, many wrong information misled the public about bitcoin private and other general electronic money.

Legal status and international status in Vietnam

In the study of Irvine, California, the currency, finance and Industrial University, there is still controversy. This gives currency bitcoin, especially about what is called “what is right”. The wisdom of this can be said: the number of money (digital currency, digital cash virtual (virtual), money, money currency) electronic (electronic currency), money (or encrypted cryptocurrency)…

The invention of money is Nakamoto So, which he calls electronic cash. The form of cash is understood as English shorthand is money, which is based on the color of cash in the casino.



What is Bitcoin?





Bitcoin is a virtual currency to be issued in 2009 by a mysterious person Satoshi Nakamoto use pseudonyms. Transactions are made without through intermediaries. Therefore no transaction fees and no need to provide their real names. 

Many enterprises begin to accept the use of Bitcoin, you can even use them to buy pizza. However you need to have a wallet for storing software, as well as track your spending power. Alternatively you can purchase Bitcoin exchanges through online or at ATMs. 

Bitcoin can not print as cash – they are created by a computer system globally. Scale networks are expanding the power of supercomputers to participate.

It was the first example of an anonymous currency which we collectively Cryptocurrency, they become more attractive because of the anonymous user and can not be controlled by the government. 




Principle of operation of Bitcoin like? 
Value of Bitcoin and other currencies, as determined under the law of supply – demand. For transaction processing, computer systems must perform a procedure – called digging Bitcoin. Including decrypting a mathematical equation and give answers to 64 characters. 
Kết quả hình ảnh cho bitcoin
When the problem was successfully decoded, a BTC block includes information transactions which will complete the processing. Miners will be rewarded with a coin output from the computer network for his achievement. Difficulty increases with each problem will cycle to ensure new coin always be created every 10 minutes.

More than 16 million existing BTC of 21 million in supply. The training will become more difficult, estimated to total 21 million in 2140, it can dig up. 

The currency can be subdivided into several subunits. 1 BTC 100 million Satoshi – Satoshi is the smallest unit of Bitcoin, is named after the founder. 

What is Bitcoin wallet address? 
Bitcoin users store via an address for – include an address about 27-34 letters and numbers. This address is used to send and receive BTC. No one can know the IP address associated with the individual. Each person using the address Bitcoin possess their own Bitcoin wallet, probability to duplicate Bitcoin address is 1e-48%, that the duplicate address is completely impossible. 

Bitcoin virtual currency can be?
Currently if you go talk to 10 people about Bitcoin, definitely people will say that 9 is a copper “virtual money”. 9 people 9 people that is certainly never learn carefully about what Bitcoin is and make sure they do not have a chance to read this article. 

The essence of the word “virtual” is something that is not true, no value, so with this call can be confusing and make people misunderstand the value of Bitcoin. 

So, if not real, “virtual” so why now there are people who buy cars with BTC, BTC home buyers with …? In summary value is a pretty subjective concept and can it worth to us, but not with your values, values can change over time.

The value of anything that is also generated by the law of supply and demand, for example, if you spend a specific amount of money to buy an item, you should always consider the item more valuable. Conversely, the seller re-considered new money they receive value. 

With Bitcoin, too, it’s worth it or not depends on the understanding of each person and in each different time. In 2013, 1 BTC is only equivalent to about 117 USD because at that time no one cares about it, very few people use and ownership of this coin. However more and more people are interested in, the more you learn and realize the benefits of it, the demand for higher Bitcoin property, so its price will rise in the future.



Application of cloud computing





has had a lot of businesses post their applications on the Internet and are embellished a lot of new features through the web browser. The most recent evidence is the emergence of Chrome OS, an operating system and application interfaces with full right in the web browser. Sooner or later, you will be able to connect to any application just with the passage of the web browser on your PC. 

The algorithm then clouds any different?

Can you read still do not understand what Cloud Computing is and we can simplify as follows. Each company often run applications directly on their own servers. These servers are located in the right position the company. That requires a lot of effort in maintenance, maintenance, money and time to keep things constantly be running, upgrades and guaranteed.





If the enterprise application cloud computing, they will still use the same applications, but they are located in the cluster of servers on the Internet. Businesses simply connect via the Internet without having to take some effort to maintain, maintenance, upgrade and run the server. Moreover, businesses can give their customers using applications that do not have to install. All very simple. Said one short, Cloud Computing allows companies to sell more services in one package new and more attractive.

If an employee, do you ever think that you are doing the company will use Google Docs instead of Microsoft Office or Open Office does not? This trend is growing strongly because to do so, users (businesses) are not losing money to buy, no need to install. But what if your company wants to provide service to others? You will be able to leverage the power of cloud computing by creating applications on the Internet with resources from the “big” as the Google App Engine, Windows Azure Microsoft, Amazon EC2’s framework.
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Most of these services are charged based on the amount by resource use. So your application only be charged by the proper amount of CPU and bandwidth usage. Hope the article has helped you kind of imagine the concept and operation of cloud computing principles. In the following article, we will look at specific applications of this promising technology.



Cloud Computing Trends





rend four, security holes are in the cloud.

These security vulnerabilities are increasing. A crime committed by a person in the resource center violated US data tracking until June 30, 2017, reaching a record 791 in half a year, a substantial increase compared with the US 29% in 2016. ITRC predicts that at this point, an increase of 37% a year can be violated in 2016 2017.

No surprise is that security continues to be a solution and technology for a problem. Violating data bank’s credit reporting Equifax leads to millions of individuals, including sensitive people’s name, social security number, date of birth, number, driver’s license and credit card. The violation of banks is also common, mainly due to the use of vulnerable people who have opened the leaf bank.




Google has made some key safety measures and safe FOB. They log in to the device including the program verification FOB price is the two step. This involves sending the password to your smartphone in M. T fix your password to the security of your account.

Gartner predicts that the cost of information security will reach 9 billion 300 million dollars in the whole world, 86,4 IDC billion from 1996 to 2018, and 2017 global income is expected to reach 101,6 billion in security technology to 2020.

These security issues will continue to be the mainstream year to 2018, which means that we will see that many network security companies will choose safer new clouds.

In order to succeed in the cloud, CNTT and security teams need to seize a new mode of activity. This is the new start. The company concentrates on lacework. Through automation, speed and integration. Cloud service security, the company redefined the key to the success of cloud security. Online watch CSO deep lacework to solve this summer (software security first, 2017, contrasting the works of human attacks hidden in the data center and cloud chaos).

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5. Internet trends are (5 iodine) and cloud.

Most devices are based on iodine cloud, especially when devices are connected. Iodine is used as a connecting device, household appliances, cars, electronics, to the last cloud based transport and storage of media information. Cloud backup device, when we see a lot of equipment production and sale of iodine, the use of cloud will continue to increase.

6. Trend six – Computer phones without servers will bring many situations to use and use.

Serverless cloud computing allows developers to build and run application services without fear that management / operation will increase the use of cloud and cloud in V. I C management does not have any infrastructure, and serverless cloud computing efficiency is also improved by allowing developers to connect and extend service cloud to easy to solve applications and more. Their ng is used together. Cloud computing serverless requires less time and effort, simplifies work and releases new updates.

7. Trend seven – calculate the rise of the edge.

Edge or computer processing, data processing in the edge network optimization cloud computing, will also increase. The consequence is to increase the use of network connection devices. Edge enhancement is necessary because it will be required to run real-time traffic access in service in 2018, because it provides streamlines iodine and data analysis and real-time pH access from the device. Analysis.



Cloud Computing Trends Future 





Trends 1 – Growth in Services and Solutions Cloud (SaaS, Paas, IaaS). 

With cloud computing is increasing, only natural that the services and cloud solutions will grow. 

Bain & Company predicts that software as a service (SaaS), where software is licensed on a subscription basis and is organized to focus, will grow at 18% CAGR by 2020. The application Google Apps, Salesforce, Citrix GoToMeeting and likely continued market represents the largest cloud computing.

According to KPMG, predicted PaaS will be the fastest-growing field of cloud computing platform – an increase from 32% in 2017 to 56% in 2020. PaaS solution provides a platform that allows customers to develop, launch run, and manage applications in a simple way than having to build and maintain infrastructure. 




According Statista, infrastructure-as-a-Service (IaaS), which provides the virtualization of computing resources over the Internet, there will be a market that is predicted to reach 17.5 billion US dollars in 2018. Amazon IaaS largest market share with Amazon Web services (AWS) and will compete with the infrastructure services cloud computing include Microsoft Azure and Google Compute engine (GCE).
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2018 will be the year that the approval of the Enterprise Cloud Services improved; Services Social Media will skyrocket, service File Sharing in the Cloud will increase, Services Cooperation will become more familiar, service Social Media will get the democratization and received the highest acceptable. 

2. Trends 2 – The versatile cloud solutions – Cloud to Cloud and Cloud to connect on site. 
Cloud to Cloud Connectivity – Some businesses are not particularly fond associated with cloud vendors only, which is why many cloud providers are open API platform to connect multiple solutions. Open API is necessary to synchronize the process and data management, and multi-function and multi-function integrated and connected to the system and tools.

Cloud to connect spot -Most companies will keep the solution in place and can also connect to the cloud-based solution with powerful custom that best suits their business needs. 

The two main reasons for this phenomenon: 

Although a number of security solutions more suitable for cloud, but still better spot for the control of network security data stream. 
Data and enterprise systems have developed in one phase and move them to the cloud remains a problem for most businesses. 
Expense ratio / return on investment. Complete transition to the cloud is expensive and very time consuming. 

3. Trend 3 – Store in the cloud and using multifaceted.
Cloud storage is becoming cheaper – It’s supply and demand economics – supply and demand higher the lower the price falls. However, with cloud storage, not only has a significant supply, but also in high demand; Therefore, cloud storage is not only cheap but also is offering free from cloud providers certain so they can gain market share and collect user data value. 

https://cdn-images-1.medium.com/max/1000/1*NvIhfDiQL17AOQTxzK5LNw.jpeg 

Crowd sourced Storage – Instead of using traditional cloud storage expensive, slow and sometimes unsafe, saving the crowd becomes storage option for those who want to keep the cost low, but still want to take advantage of the cloud.

Share your friends or hosting strangers will become common practice and should be used instead for applications such as Google Drive or DropBox. The cloud storage platform is derived from the Crowd will be used in the construction and maintenance of large-scale applications. 

Data derived from the cloud – The Maze Game players like Google and Amazon are major permit free Cloud Storage data provider for the data / analysis of big data and artificial intelligence applications.

Costs for costs Cloud – Prevention costs are necessary to maintain the cost down to only the necessary expenses to maintain financial goals. The growth of cloud rose rapidly as more organizations to adopt a cloud-based strategy to cut costs. Cloud computing is an IT strategy to cut long-term costs to reduce costs and increase infrastructure ROI by reducing costs while increasing accessibility and productivity.

Cost Cloud Wars – The price war between Google and Amazon’s cloud based on each organization’s efforts to provide the cheapest and services dominate the cloud computing market. AWS announced lower prices earlier this year, and Google introduced Committed Use Discounts (CUD), or as defined by Google, “the ability to purchase using contract commitments in exchange for discount prices deeply to use virtual servers. “



Impact of cloud computing





The biggest advantage is the cost savings of cloud computing. Now, we have analyzed this aspect, perhaps not to say more, mainly to reduce costs, investment costs, and start buying hardware, software and maintenance costs to enable them to install. M servers operate more space and daily expenses and hire people to see more.

You can quickly and easily use one thing without installing complex tasks. You can quickly access all of them, almost without relying on hardware, software or What is it? If you use traditional disk storage and forget at home, how can you put data? When Dropbox is just the download file on the web page, it is necessary, or like Gmail, you can quickly borrow your friend’s laptop to check the complicated account of the e-mail account. There is no need to look ahead. Just like Google documents, you just need to open the browser and input, no need to install the office of the Department.




Next is the security and continuous HDD leaving your hard disk, a bad one called white data, unless you want to copy data two drives per day at the same time. At the same time, your data will be in Dropbox, onedrive C It has higher security. If the hard disk is damaged, the data on the back will continue to continue. Friends can continue to use it as normal. I don’t want to say that it is very safe, because there are still risks, the company put cloud storage data center or burned, or worse, the movie 2012 doomsday like point, but at least this low risk probability than yourself. HDD is a lot.

Confidential data can also be seen as a time of interest, flower cloud. You make a laptop with sensitive data or a company image sensitive girl, just like the loss of death will be very large. At the same time, if you save something, if the cloud on your laptop just loses a hard disk, data is still secure on the internet account. If you don’t have your password, no one can. Play there.

4. Some restrictions on Cloud Computing

Everything has two sides and interests. If almost everything in the cloud needs network connections, if connected or slowly blurred, this is very common. In Vietnam, the use of services will R B: it’s hard to break. Remember when my sea cable is waiting forever, the new Dropbox uploads will have to wait a long time for the new project of Google Drive synchronous file, instead of opening Gmail to spend three to five minutes. H company, which means they will spend more time downloading the cloud application, and the loss may be very serious. Suppose that many customers in a store can not run to the guest to die?

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This is why many cloud services provide the option to save part or all data on computers, which is usually referred to as not being saved here. Dropbox, onedrive, Google Drive also have permission to include synchronous files on your computer, and you can still work normally, open or access them even without the Internet. When there is a network, synchronization. Like Evernote, you can even walk in the street and enter your records with your cell phone. When you have Wi-Fi, pay attention to the cloud.

The second is privacy. Do you have enough trust in Evernote to save all the data? Do you believe that Gmail email keeps all the important jobs, just a letter that can be leaked, or can you lose your company? You have enough trust in an accounting software to store all the books online with friends.