Ifølge en undersøgelse foretaget af Tech Pro Research ved 68 % af de mennesker, der bruger internettet^(Internet) , hvad en hybrid cloud er. Imidlertid var stikprøvestørrelsen kun 138 og udgjorde personer, der var interesserede i informationsteknologiområdet^{(Information Technology)} . Jeg er ikke tilbøjelig til at være enig i, at 65 % af it-folk forstår hybridskyer, fordi de fleste af dem endnu ikke har forstået alle koncepter og fakta om cloud computing (når vi betragter it-folk fra hele verden). I mange lande går erhvervshuse ikke efter cloud computing på grund af en eller flere årsager. En af de primære årsager er manglen på tillid til offentlige skyer.

Sandsynligvis forstår personer i sådanne lande cloud computing og bruger det også ( OneDrive , Google Drive , osv.). Men Amazon , Azure osv. finder næsten ingen abonnenter fra sådanne lande. Årsag^(Reason) ? Mangel^(Lack) på ordentlig forståelse af cloud computing-koncepter og igen, frygt for at data bliver stjålet og tab af data.

Hvad er Hybrid Cloud

Der er offentlige skyer og der er private skyer. Mellem de to ligger Hybridskyen^(Hybrid) .

OneDrive , Google Drive osv. er offentlige skyer, hvor folk deler de samme servere. Skyens speciale er, at den kan øge og mindske tjenesten efter behov. Det samme gælder for Azure , Amazon og Ubuntu skyer. Du vil acceptere, at OneDrive og Google Drive (og lignende lagringstjenester som Mozy ) osv. er mere populære, da de passer til både erhvervshuse og private. Hele mit kontor^(Office) er gemt på OneDrive . Jeg har brugt det siden dengang, Microsoft tilbød hele 25 GB gratis under SkyDrive- navnet.Således^(Thus) kan jeg få adgang til det fra enhver del af verden.

I hvert fald, når vi vender tilbage til, hvad der er Hybrid Cloud , skal vi først forstå offentlige og private skyer. De skyer, som du ser i form af OneDrive , Google Drive , Canonical osv. er de mest populære offentlige skyer. De kaldes offentlige, fordi data gemmes på de samme servere, uanset hvor personen bor, eller hvad han eller hun gemmer. Der er bekymring for, om tjenesteudbyderen kan se nærmere på de data, der lagres (hvilket igen er en afskrækkende virkning for brug af skyen).

Med andre ord,

1. Skytjenesten kan bruges af alle ved blot at tilmelde sig tjenesten
2. Cloud-tjenesten kan udvides og reduceres blot ved at ændre planer
3. Optaget plads^(Space) leveres og frigives i realtid på skyerne
4. Der er ingen eller minimal manuel indgriben
5. Medmindre andet er angivet i T&C, kan cloud-tjenesteudbyderen ikke se på de data, der lagres af brugerne. Hvis han gør det, vil det blive kategoriseret som et tillidsbrud.

Men ser man på det sidste punkt, kan regeringens regler tvinge cloud-udbyderen til at levere data om en klient til de føderale agenturer eller andre relateret til den - uden brugerens viden. Det er således ikke muligt at implementere bruddet på datafaktoren.

Private skyer^{(Private clouds)} er sikrere, når det kommer til lagring af data. Bemærk^(Please) venligst, at jeg har brugt lagring af data som et eksempel, da det er lettere at forstå. Cloud computing kan som sådan være alt fra lagring af data til at levere en platform som en service, hvor brugere ikke kun kan oprette deres programmer, men teste dem under forskellige forhold.

Men at implementere en privat sky er en kompliceret proces. Du skal bruge yderligere servere, og det er kun begyndelsen. Du har brug for it-administratorer, der forstår koncepterne og funktionerne i skyen. Så har du brug for programmører, der kan skabe og vedligeholde software, hvor menneskelig indblanding er ubetydelig. Derefter skal skyen gøres tilgængelig for alle afdelinger af organisationen. Endelig skal man tage sig af hackere osv. og gøre skyen så hacker-sikker som muligt.

For at undgå alle disse komplikationer har organisationer en tendens til at bruge hybridskyer. Det vil sige, at nogle af processerne i organisationen kører på den private sky, mens andre kører på komplicerede skyer såsom Azure .

Hybrid Cloud definition

Der er ingen solid definition for hybridskyer. Faktisk er der ingen solid definition for cloud computing. Der er forskellige forklaringer, der taler om kriterierne for cloud computing. Og også disse kriterier varierer baseret på brugernes perspektiver. I hvert fald^(Anyway) vil jeg prøve at definere en hybridsky som følger:

“Any cloud computing service that employs use of both public and private clouds is known as hybrid cloud”.

Yderligere opstår spørgsmålet om, hvorfor Hybrid- skyen. Vi talte om den private sky ovenfor og fandt ud af, at den er meget kompliceret. En hybridsky kører simple processer på egen private sky og bruger offentlige skyer til komplicerede processer. På den måde skærer du ikke kun ned på udgifterne, men også på forskellige komplikationer, der kan hæmme eller forsinke dine forretningsprocesser.

Mens du kan bygge en privat sky (til brug med en hybridsky^(Hybrid) ) på egen hånd, leverer mange virksomheder (såsom IBM ) deres egne ingeniører til at strømline din private sky med den offentlige sky. Det sparer igen på udgifter, samtidig med at du slipper for at lede efter ordentlig knowhow til at opsætte din private sky, der bruges sammen med enhver offentlig sky.

For at opsummere:

1. Hybride^(Hybrid) skyer bruger både private og offentlige skyer
2. Hybride^(Hybrid) skyer anvender en on-premise cloud, som bruges med offentlige skyer for at undgå store udgifter til programmering og vedligeholdelse
3. Hybride^(Hybrid) skyer tilbyder bedre, pålidelig sikkerhed for data og processer, da de komplicerede data behandles på sikre offentlige skyer (selvom mange mennesker stadig er skeptiske over for dette aspekt)

Det eneste problem med skyer er, at de juridiske regler varierer fra land til land. I tilfælde af cloud computing, hvis der opstår en tvist, gælder reglerne for det område, hvor tjenesteudbyderne registrerede deres tjeneste. Dette er grunden til, at Microsoft understreger universaliseringen af ​​juridiske regler og reguleringer over hele kloden. Det ville gøre det lettere for både serviceudbydere og kunder, hvis det opnås.

Fordele og fordele ved Hybrid Clouds

1. On-premise infrastruktur
2. Ingen forsinkelse på grund af internettrafik
3. Hurtigere behandlingstid, da nogle data behandles lokalt og dermed sparer du tid i forhold til al data behandlet i skyen. Du skal uploade data og downloade resultater. Det tager tid
4. Komplicerede processer kører på den offentlige sky, så du sparer udgifter og styring af infrastruktur
5. Du kan bruge en privat cloud hele året og udvide dit offentlige cloud-brug efter behov, i stedet for at bygge eller udvide lokal infrastruktur.

Referencer^(References)

TechPrResearch.com-undersøgelse^{(TechPrResearch.com Survey)} om hybride skyer^{(Hybrid Clouds)} .

Du vil måske også kigge på disse link:^{(You might want to have a look at these link too:)}

1. Typer af cloud-tjenester og Microsoft Cloud
2. Public Cloud vs Private Cloud
3. Fremtiden for cloud computing
4. Sikkerhedsproblemer med cloud computing
5. Forskellen mellem Cloud computing og Grid computing^{(Difference between Cloud computing and Grid computing)} .

What is Hybrid Cloud? Defination, advantages and benefits

According to a survey conducted bу Tеch Pro Rеsearch, 68% of people using the Internet know what a Hybrid Cloud is. However, the sample size was just 138 and constituted people interested in the Information Technology field.  I am not inclined to agree that 65% of IT people understand hybrid clouds because most of them are yet to understand all the concepts and facts of cloud computing (when we consider IT people all from over the world). In many countries, business houses do not go for cloud computing due to one or more reasons. One of the primary reasons is the lack of trust in public clouds.

Probably, individuals in such countries understand cloud computing and use it too (OneDrive, Google Drive, etc.). But Amazon, Azure, etc. find almost no subscribers from such countries. Reason? Lack of proper understanding of cloud computing concepts and again, fear of data being stolen and loss of data.

What is Hybrid Cloud

There are public clouds and there are private clouds. In between the two, lies the Hybrid cloud.

OneDrive, Google Drive, etc. are public clouds where people share the same servers. The specialty of the cloud is that it can increase and decrease the service as and when needed. The same applies to Azure, Amazon, and Ubuntu clouds. You will agree that OneDrive and Google Drive (and similar storage services like Mozy) etc. are more popular as they fit for both business houses and individuals. My entire Office is stored on OneDrive. I am using it since the time Microsoft was offering a whopping 25GB for free under the SkyDrive name. Thus, I can access it from any part of the world.

Anyway, coming back to what is Hybrid Cloud, we have to first understand public and private clouds. The clouds that you see in the form of OneDrive, Google Drive, Canonical, etc. are the most popular public clouds. They are called public because data is stored on the same servers irrespective of where the person lives or what he or she is storing. There are concerns if the service provider can look into the data being stored (which is again a deterrent for cloud usage).

In other words,

1. The cloud service can be used by anyone simply by signing up for the service
2. The cloud service can be expanded and reduced simply by changing plans
3. Space occupied is provided and released in real-time on the clouds
4. There is no or minimal manual intervention
5. Unless otherwise stated in T&C, the cloud service provider cannot look into the data being stored by the users. If he does, it will be categorized as a breach of trust.

However, looking at the last point, government rules can coerce the cloud provider to provide data about a client to the federal agencies or others related to it – without the knowledge of the user. Thus, the breach of data factor is not feasible to implement.

Private clouds are safer when it comes to storing data. Please note that I’ve been using the storage of data as an example as it is easier to understand. Cloud computing, as such, can be anything from storage of data to providing a platform as a service where users can not only create their programs but test them under different conditions.

But implementing a private cloud is a complicated process. You’ll need additional servers and that is just the beginning. You need IT admins who understand the concepts and features of the cloud. Then you would need programmers who can create and maintain software where human interference is negligible. Then, the cloud should be made accessible to all the branches of the organization. Finally, you have to take care of hackers, etc. and make the cloud as hacker-proof as possible.

To avoid all these complications, organizations tend to use hybrid clouds. That is, some of the processes of the organization run on the private cloud while others run on complicated clouds such as Azure.

Hybrid Cloud definition

There is no solid definition for hybrid clouds. Actually, there is no solid definition for cloud computing. There are different explanations that talk about the criteria of cloud computing. And these criteria too, vary based upon the perspectives of users. Anyway, I will try to define a hybrid cloud as follows:

“Any cloud computing service that employs use of both public and private clouds is known as hybrid cloud”.

Further, the question arises as to why the Hybrid cloud. We talked about the private cloud above and found that it is very complicated. A hybrid cloud runs simple processes on own private cloud and uses public clouds for complicated processes. That way, you cut down on not only expenses but also on different complications that may hinder or delay your business processes.

While you can build a private cloud (for use with a Hybrid cloud) on your own, many companies (such as IBM) provide their own engineers to streamline your private cloud with the public cloud. That again saves on expenses while relieving you from hunting for proper know-how to set up your private cloud that is used in conjunction with any public cloud.

To sum up:

1. Hybrid clouds use both private and public clouds
2. Hybrid clouds employ an on-premise cloud which is used with public clouds to avoid heavy expenses on programming and maintenance
3. Hybrid clouds offer better, reliable safety to data and processes as the complicated data is processed on safe public clouds (though many people are still skeptical about this aspect)

The only problem with clouds is that the legal rules vary across countries. In the case of cloud computing, if any dispute arises, the rules of the area where the service providers registered their service, apply. This is why Microsoft stresses on the universalization of legal rules and regulations across the globe. It would make it easier for both service providers and clients if that is achieved.

Benefits and advantages of Hybrid Clouds

1. On-premise infrastructure
2. No latency due to internet traffic
3. Faster processing time as some data is processed locally and thus you save time when compared to all data processed on the cloud. You have to upload data and download results. It takes time
4. Complicated processes run on the public cloud so saves expenses and management of infrastructure
5. You can use a private cloud all the year and extend your public cloud usage as and when required, instead of building or extending on-premises infrastructure.

References

TechPrResearch.com Survey on Hybrid Clouds.

You might want to have a look at these link too:

1. Types of Cloud services & Microsoft Cloud
2. Public Cloud vs Private Cloud
3. The Future Of Cloud Computing
4. Security issues with Cloud computing
5. Difference between Cloud computing and Grid computing.

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