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The Integration Of Blockchain And Cloud Of Things

The increasing reach of the Internet of Things (IoT) means there’s an increasing need for data protection and management. It also means there’s an increasing strain on the centralized cloud systems that have handled the task for the past few years. So, it’s time that we took a closer look at integrating blockchain and the Cloud of Things (CoT).

Rather than rendering centralized cloud systems irrelevant, integrating blockchain and CoT will better enable edge computing to process data at networks’ edges. Besides offering speedy, scalable, and secure computing, that integration should lead to fewer of the security and performance issues that have plagued centralized systems.

This article focuses on integrating blockchain and CoT, and will answer the following questions:

Let’s begin by taking a closer look at the world’s growing need for data management, processing, and security, and blockchain and the CoT.

A World Increasingly Online

In an article for Technology Magazine, Edge CEO Joseph Denne referred to two startling statistics. The first, taken from an Ericsson Mobility Report, is that approximately 29 billion connected devices will be in use around the world. The second, taken from Statista, is that over 75 billion IoT devices will be in operation by 2025. The associated increased need for edge computing that can handle data management and processing without being subject to the issues that are affecting centralized cloud systems.

What Is CoT ?

CoT is a cloud-based IoT application platform known for its high performance. By integrating IoT with cloud computing (CC), the resultant CoT enables the remote controlling, managing, and monitoring of IoT devices. Some of the most common platforms include:

  • AWS IoT
  • CloudPlugs
  • EvryThng
  • Nimbits
  • OpenIoT
  • ThingSpeak

Without CoT, it simply would not be possible to store the data generated by IoT locally and temporarily. CoT also helps meet virtual resource utilization and storage capacity requirements. By processing IoT-generated data and making it more useful, CoT has contributed to the development of smart applications that are more advanced. Among the CoT application areas are smart home, smart city, smart mobility, smart energy, healthcare, and environmental monitoring.

The versatility of CoT is thanks to its architecture. If you consider CC, you’ll find that its different models include Infrastructure as a Service (IaaS), Software as a Service (SaaS), and Platform as a Service (PaaS). Those models allow for the creation, building, storage, and usage of data over the cloud. In a similar way, CoT models include Big Data Analytics as a Service, Data as a Service, Database as Service, Sensing as a Service, Identity and Policy Management as a Service, Sensor as a Service, and Video Monitoring as a Service.

The biggest CoT issues include:

  • Unnecessary data communication
  • Privacy and security
  • Protocol support
  • Energy efficiency
  • Data storage location
  • Scaling
  • Allocation of resources
  • Service provisioning quality
  • Service discovery
  • Identity management
  • IPv6 deployment

Edge networks and integrated blockchain could help to overcome or at least mitigate several of those issues.

What Are Edge Networks?

With a regular, large, centralized data center (a cloud), data generated by IoT must make several ‘hops’ before the cloud validates it, which is already processing a massive amount of other data.

Edge networks are decentralized clouds that allow data to be processed at the edge, rather than after making several ‘hops’ before the large cloud validates it. This means better latency, which is good news for automated systems and robotics, as it results in improved responsiveness and performance. Blockchain could make edge computing even more effective.

What Is Blockchain?

As a refresher for the benefit of those who need it, blockchain is a powerful force in today’s technology infrastructures. Blockchain is popularly associated with Bitcoin, but the cryptographic building blocks were around long before the unveiling of the cryptocurrency. The reason an increasing number of industries use it to store, access, manage, secure, and reconcile data is because it avoids double counting, it’s streamlined, and it’s encrypted.

Blockchain functions as a ‘public ledger’ that includes a record of every transaction, and it’s distributed to the network’s edge. It requires the input of multiple distributed parties who agree on what is true or false, rather than relying on a central authority to make that decision. Once the ledger records that decision, anyone can access it. The need for the consensus of multiple parties to change the ‘ledger’ makes it impossible for individuals to alter the records of past transactions.

 

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What are the drawbacks of CoT? 

Traditional CoT infrastructure is often inefficient due to the following challenges:

  • First, the traditional CoT solution is mainly based on a centralized communication model, in which IoT devices are connected, identified, and managed by a central server in the cloud. As IoT networks become mainstream, this model is unlikely to expand. Importantly, this completely centralized architecture also creates bottlenecks and single points of failure, which can cause the entire CoT network to be disrupted.
  • Second, most centralized CoT infrastructures need to rely on a third party, cloud service providers, for IoT data processing, which raises concerns about data privacy. In fact, cloud servers will honestly perform IoT calculations, but at the same time they can also obtain personal information without the user’s consent, leading to serious information leakage and system security issues.
  • Third, IoT users lack the data ownership of the traditional CoT ecosystem. With current CoT solutions, IoT owners have little control over their personal data and find it difficult to track their data exchanges in the cloud IoT environment.
  • Finally, the centralized network infrastructure causes higher communication delay and power consumption of IoT devices due to long data transmission, making it difficult to implement CoT on a large scale in actual scenarios.

What Will Integration Do?

According to Guardtime co-founder and CEO, Mike Gault, CIOs would be more inclined to move their mission critical processes to a cloud if they are assured of:

  • Accountability
  • Auditability
  • Compliance
  • Liability acceptance
  • Reliability
  • Verifiability

The supply chain needs to be secure, and it should be possible to verify every step in that chain in real-time, especially when something goes wrong. This would make it possible to find and address the cause of the issue.

If integrating blockchain and CoT has occurred, all movement of data, and the processes it undergoes, are entered into the blockchain. Anyone who has access to the blockchain can verify where the data went, how it was governed, who accessed it, and what happened to it.

An integrated blockchain-cloud system would offer total traceability for the latter, and it would give cloud-based systems an extra layer of security. It would mean cloud users and administrators are accountable for their actions, that regulators could audit all processes involved, and all others with access to the cloud could verify the nature and time of all data transactions.

To put it in a nutshell, blockchain offers solutions to CoT challenges such as data privacy, decentralization, and network security. CoT offers scalability functionalities and the elasticity that can make blockchain more efficient. Together, as BCoT, they could enable various applications in many scenarios.

In Gault’s opinion, the effect would be nothing less than revolutionary, especially if blockchain integrates with every cloud. It would see our society change from one that’s based on trust, to one that’s based on truth. Whether people trust one another or not, they could use blockchain to prove what really happened.

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Author’s Bio

Akash Takyar
Akash Takyar
CEO LeewayHertz
Akash Takyar is the founder and CEO at LeewayHertz. The experience of building over 100+ platforms for startups and enterprises allows Akash to rapidly architect and design solutions that are scalable and beautiful.
Akash's ability to build enterprise-grade technology solutions has attracted over 30 Fortune 500 companies, including Siemens, 3M, P&G and Hershey’s. Akash is an early adopter of new technology, a passionate technology enthusiast, and an investor in AI and IoT startups.

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