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What To Think About If You Are Considering Edge Computing Solutions

What To Think About If You Are Considering Edge Computing Solutions


Edge computing solutions are becoming increasingly widespread. They are gaining ground anywhere there is a need (or want) to process data at maximum speed. That said, edge computing does bring important considerations. Here is a quick guide to what you need to think about if you are considering edge computing solutions.

What are edge computing solutions?

Edge computing solutions are solutions that process some or all data at the edge of a network. The processing may be done by the edge devices themselves. Alternatively, the edge devices may connect to a local server.

These local servers are generally known as edge servers. They provide more computing power than individual devices can. They do not (and cannot), however, provide the same kind of power as a full cloud data center.

This means that many edge computing solutions are run in combination with cloud computing solutions. For example, a large-scale edge computing solution may process some data on end devices, some on edge servers, and some in the cloud.

Common uses for edge computing solutions

Looking at some of the areas where edge computing is commonly used can give you an idea of why it is appealing.

Industrial Internet of Things (IIoT)
Agriculture
Security (especially retail store monitoring)
Healthcare
Smart cities
Assisted driving/autonomous vehicles

The common factor in all of these use cases is that they benefit from data being processed quickly. For example, if a retail store detects a potential crime in progress, it is very much in their interest to prevent it from happening. If they cannot do that, then they want to report it to the police as quickly as possible.

Another unifying factor is that, at present, edge computing solutions are still very much orientated towards businesses. With that said, healthcare, smart cities and assisted driving/autonomous vehicles all touch on the consumer sector.

Given the general progress of technology, it seems fair to assume that edge computing solutions will start to spread out more into the consumer sector. In fact, this is already happening as homes (and vehicles) become smarter.

How edge computing solutions compare to cloud computing solutions

Edge computing solutions and cloud computing solutions are both forms of distributed computing. They just approach the distribution in different ways.

Edge computing solutions process as much data as possible locally. This can mean on the devices themselves or on edge servers. Cloud computing solutions are accessible from anywhere a device can go online. The processing, however, is done at a central point.

This difference results in some very important, practical differences between edge computing solutions and cloud computing solutions. Here is a quick guide to the main ones.

Speed

Speed is a clear win for edge computing solutions. In fact, speed is the unique selling point of edge computing solutions. With that said, the speed benefit mainly applies to tasks that require limited power to process.

As the processing burden of tasks increases, so the benefit of edge computing decreases. If it continues to increase then, at some point, edge computing solutions will become slower than cloud computing solutions.

Reliability

Whether edge computing solutions are more reliable than cloud computing solutions largely depends on your perspective.

On the one hand, you could argue that edge computing solutions are the more reliable option because they eliminate a single point of failure.

On the other hand, you could argue that cloud computing solutions are the more reliable option because it is easier to deal with failures. Data centers have staff on-site 24/7/365. This may not be the case in locations with edge devices.

Cost

The economies of edge computing solutions versus cloud computing solutions really have to be analyzed on a case-by-case basis.

Edge computing solutions reduce the amount of data being sent to a cloud. In fact, it may be possible for them to eliminate it. This may not reduce the costs of running a network. It should, however, decrease the costs of using a cloud.

On the other hand, edge computing solutions require more powerful end devices than cloud computing solutions. This means that they have a relatively high up-front cost. What’s more, they will need more electrical power to complete their tasks. This, again, has a cost.

Security and privacy

Using edge computing solutions reduces the need to transmit data between endpoints. It, therefore, reduces the opportunities for intercepting data while it is in transit. On the other hand, it can be much harder to protect distributed edge devices than it is to protect centralized cloud servers.

Furthermore, at present, the challenges of managing end devices are compounded by a lack of standardization. This will probably be addressed over time, somehow. At present, however, it is not clear how it will be addressed, let alone when.

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