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Six Cloud Myths: What You Should Know before Migration

09.06.2020 7 minutes 96

Maxim Berezin

Corporate system migration to cloud is not a novelty. Cloud storages are equally attractive to large and small companies, and we all know why. With a cloud, you can forget about hardware procurement and administration, optimize infrastructure and business apps, and minimize service downtime.

However, the more popular clouds are, the more myths are around. Let us dispel the most common ones.

Cloud always pays off

In fact, using a cloud is not always economically sound. When it comes to hosting variable load services, then cloud is a good option. Thanks to its flexibility, cloud easily copes with peak loads and ensures continuous service availability for customers. A canonical example is an online store website with double or even triple visitor growth during «Black Fridays» or before major holidays.

For static load applications and systems, it is better to use HaaS or hybrid scheme, i.e. deploy a service in a commercial data center, while being able to connect cloud resources if necessary.

Cloud is about “as is” system migration

Sometimes, yes. System migration without changing its architecture is possible, like we did for Swed-Mobil car dealer that outsourced its entire back office infrastructure, including 1C-based financial system running on an outdated platform. We managed to migrate it quickly thanks to the use of an isolated environment, into which we transferred the business application «as is», i.e. without any fine-tuning.

Keep in mind, however, that the most effective and stable are cloud-native apps developed from scratch or adapted to cloud infrastructure. So, before migration, we strongly recommend analyzing system operation requirements, to-be load profile, and how to better adapt its architecture to the cloud environment.

Migrating to cloud is fast

Here, key factors are complexity and size of an infrastructure to be transferred. We have migrated customer systems in a few days or even hours; for example, migration for KDL, a clinical diagnostic laboratory network, took just four hours.

While the customer allotted eight hours for its laboratory information system migration, we cut this time twice. All the work was done overnight, when the website workload was the lowest, with no impact on customer experience.

However, this is the exception rather than the norm. To guarantee migration success, elaborate a migration plan in detail to minimize risks and optimize system architecture. We recommend allotting minimum two weeks to carry out all required migration procedures smoothly and painlessly.

Cloud is a good choice for small companies with low budgets

In fact, many small companies, which cannot yet afford enterprise class equipment, opt for cloud services. However, CROC Cloud Services mostly serves retail chains, financial, industrial, pharmaceutical and other large companies. And their number is still growing.

Such a trend is described in iKS-Consulting research.

According to analysts, in 2017, 80% of large and medium businesses used clouds, 9% respondents stated their intent to use cloud solutions in the future and the remaining 11% had no plans on going cloud. The research covered 180 Russian companies. According to the research, the greatest interest in cloud services was demonstrated exactly by large companies.

Cloud is not reliable enough

It used to be true. Ten years ago. Now, large cloud providers are fully capable of ensuring service reliability. Moreover, from our experience, on-premise deployment will be less resilient than service hosting in a large provider’s cloud.

Cloud provider’s key advantage is compliance with standard enterprise requirements, such as powerful equipment in a data center, data backup on several geographically distributed sites, and competent operation, with all processes being documented in a strict and detailed SLA.

Moreover, uninterrupted operation of 10+ links from different telecom providers should be ensured and only certified security tools should be used, which requirement is the responsibility of a cloud provider itself and is often supported by a full package of documents for regulatory authorities.

And, finally, self-respecting cloud providers regularly check infrastructures for information security compliance. In particular, we conduct penetration tests (to detect vulnerabilities in systems) at least twice a year.

Foreign providers are always better than Russian ones

Compared to Russian cloud providers, foreign competitors have much longer track record and greater experience in client service development. For IT professionals, many of them are deemed de facto standard, like Amazon S3 (Simple Storage Service), a full analog of which we offer our customers.

However, when choosing a provider, look at not only cloud platform technological maturity, but also customer service and quality. I believe many would agree that Russian players are a step ahead in this regard.

Russian customers get used to a cloud provider, which, apart from infrastructure provisioning, gives advices, proactively addresses problems, considers business growth opportunities, and makes recommendations.

Mentioned services

  1. CROC Public Cloud

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