Month: January 2016

expert-interview-series-raffaele-giordanelli-about-memory-ballooning

One of the biggest tasks facing system administrators today is finding efficient host memory reclamation techniques to support memory overcommitment, says Raffaele Giordanelli, CEO and CTO of Eco4Cloud. One way to do this is through ballooning. "Virtual memory ballooning is a RAM memory reclamation technique used by a ESX hypervisor to allow the physical host …

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what-is-unstructured-data-and-how-does-it-relate-to-your-vmware-vsphere-environment

What if you could radically improve your search performance while drastically bettering and speeding your troubleshooting efforts? Unstructured data has the power to improve all of your physical, virtual, and cloud environments with powerful analytics, operational intelligence, and improved visibility across the organization. Here’s what unstructured data is and how it can improve your VMware …

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storage-administrators-have-a-lot-to-take-advantage-of-with-vsphere-6-and-vmware-performance-monitoring-tools

Released in March, vSphere 6 is another step in the direction toward a fully software-defined data center. In this environment, all of the infrastructure layers will be virtualized, and the virtual machine is the centerpiece of all the action. Policy will direct all of the provision, monitoring, and management tasks. The importance of any given …

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whats-the-latest-on-vmwares-project-michigan-and-vmware-monitoring

As expected, VMware Europe was a buzz of announcement, exciting keynote speeches, and amazing news in the world of networking. The event was held at the elegant Fira Gran Via in Barcelona, Spain, which is one of the largest and most sophisticated venues in all of Europe. It turned out to be the biggest VMworld …

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Use Case - Tamper-resistant Clinical Trials

Goal:

Blockchain PoCs were unsuccessful due to complexity and lack of developers.

Still the goal of data immutability as well as client verification is a crucial. Furthermore, the system needs to be easy to use and operate (allowing backup, maintenance windows aso.).

Implementation:

immudb is running in different datacenters across the globe. All clinical trial information is stored in immudb either as transactions or the pdf documents as a whole.

Having that single source of truth with versioned, timestamped, and cryptographically verifiable records, enables a whole new way of transparency and trust.

Use Case - Finance

Goal:

Store the source data, the decision and the rule base for financial support from governments timestamped, verifiable.

A very important functionality is the ability to compare the historic decision (based on the past rulebase) with the rulebase at a different date. Fully cryptographic verifiable Time Travel queries are required to be able to achieve that comparison.

Implementation:

While the source data, rulebase and the documented decision are stored in verifiable Blobs in immudb, the transaction is stored using the relational layer of immudb.

That allows the use of immudb’s time travel capabilities to retrieve verified historic data and recalculate with the most recent rulebase.

Use Case - eCommerce and NFT marketplace

Goal:

No matter if it’s an eCommerce platform or NFT marketplace, the goals are similar:

  • High amount of transactions (potentially millions a second)
  • Ability to read and write multiple records within one transaction
  • prevent overwrite or updates on transactions
  • comply with regulations (PCI, GDPR, …)


Implementation:

immudb is typically scaled out using Hyperscaler (i. e. AWS, Google Cloud, Microsoft Azure) distributed across the Globe. Auditors are also distributed to track the verification proof over time. Additionally, the shop or marketplace applications store immudb cryptographic state information. That high level of integrity and tamper-evidence while maintaining a very high transaction speed is key for companies to chose immudb.

Use Case - IoT Sensor Data

Goal:

IoT sensor data received by devices collecting environment data needs to be stored locally in a cryptographically verifiable manner until the data is transferred to a central datacenter. The data integrity needs to be verifiable at any given point in time and while in transit.

Implementation:

immudb runs embedded on the IoT device itself and is consistently audited by external probes. The data transfer to audit is minimal and works even with minimum bandwidth and unreliable connections.

Whenever the IoT devices are connected to a high bandwidth, the data transfer happens to a data center (large immudb deployment) and the source and destination date integrity is fully verified.

Use Case - DevOps Evidence

Goal:

CI/CD and application build logs need to be stored auditable and tamper-evident.
A very high Performance is required as the system should not slow down any build process.
Scalability is key as billions of artifacts are expected within the next years.
Next to a possibility of integrity validation, data needs to be retrievable by pipeline job id or digital asset checksum.

Implementation:

As part of the CI/CD audit functionality, data is stored within immudb using the Key/Value functionality. Key is either the CI/CD job id (i. e. Jenkins or GitLab) or the checksum of the resulting build or container image.

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