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Migration00:53

Migration

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Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
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Role-Based Identity01:21

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Role-based identities are central to understanding how individuals navigate social environments by adopting distinct self-conceptions aligned with various societal roles. These identities are not fixed traits but are constructed through personal actions and the social feedback individuals receive in context-specific interactions. Each social role, such as student, teacher, or friend, carries a set of expectations and norms that influence how people think, feel, and behave within that...
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Carrier-Mediated Transport01:06

Carrier-Mediated Transport

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Carrier-mediated transport is a pivotal process in drug absorption, particularly for lipid-insoluble drugs, and encompasses facilitated diffusion and active transport. Facilitated diffusion allows drugs to move along their concentration gradient without energy expenditure, while active transport utilizes ATP to drive drug movement against this gradient.
Active transport involves two types of membrane-spanning transporters: uptake and efflux. Uptake transporters are expressed in the small...
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Carrier Transport01:21

Carrier Transport

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The generation of electrical current in semiconductors is fundamentally driven by two mechanisms: drift and diffusion. These processes are essential for the functionality and performance of semiconductor-based devices.
Drift Current:
The drift of charge carriers is started by an external electric field (E). Charged particles, such as electrons and holes, experience an acceleration between collisions with lattice atoms. For electrons, this results in a drift velocity (vd) given by:
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Short-distance Transport of Resources02:12

Short-distance Transport of Resources

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Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
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Cytoskeletal Coordination in Cell Migration01:32

Cytoskeletal Coordination in Cell Migration

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A migrating cell changes its shape during the cyclic events of attachment and detachment from the substratum and repositions the cell organelles correspondingly. These complex events are orchestrated by the dynamic cytoskeletal network comprising actin filaments, intermediate filaments, and microtubules. Cytoskeletal crosstalk — the direct and indirect communication between the different components — is crucial for this coordination. Direct communication involves various linker...
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Related Experiment Video

Updated: Oct 12, 2025

Integration of 5G Experimentation Infrastructures into a Multi-Site NFV Ecosystem
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Cloud to cloud data migration using self sovereign identity for 5G and beyond.

M G Aruna1, Mohammad Kamrul Hasan2, Shayla Islam3

  • 1Department of Computer Science and Engineering, M S Engineering College, Bengaluru, Karnataka 562110 India.

Cluster Computing
|November 22, 2021
PubMed
Summary

Self-sovereign identity (SSI) offers a decentralized, cost-effective solution for cloud data security, replacing traditional third-party auditors (TPAs). This cryptographic approach enhances cloud migration security and performance.

Keywords:
Certificate authority (CA)Certificate management systemCloud migrationDigital signaturePublic key infrastructure (PKI)Registration authority (RA)Revocation servicesSelf-sovereign identity (SSI)Third-party auditor (TPA)Transport layer security (TLS)

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Cloud Computing

Background:

  • The COVID-19 pandemic accelerated cloud adoption, increasing the demand for robust cloud data security solutions.
  • Traditional cloud security relies on third-party auditors (TPAs), which can be costly and introduce central points of failure.
  • The growing volume of cloud workloads necessitates more efficient and automated security measures.

Purpose of the Study:

  • To explore the replacement of third-party auditors (TPAs) with self-sovereign identity (SSI) for enhanced cloud data security.
  • To implement and evaluate a cryptographic technique for secure cloud data migration using SSI.
  • To assess the performance and cost-effectiveness of SSI-based cloud data migration compared to TPA methods.

Main Methods:

  • Developed and implemented a cryptographic technique for secure data migration utilizing SSI.
  • Employed RSA-based mutual TLS for secure peer-to-peer transactions in cloud-to-cloud (C2C) migration.
  • Validated cryptographic key generation and encryption/decryption processes mathematically and with an online validator.

Main Results:

  • Achieved a significant encryption/decryption rate of 13.32 Kbps with the SSI-based implementation.
  • Demonstrated the feasibility of background or foreground replication in C2C migration scenarios.
  • The SSI approach offers a substantial performance improvement over the TPA method's 1 Kbps rate.

Conclusions:

  • Self-sovereign identity (SSI) provides a secure, decentralized, and cost-efficient alternative to traditional TPAs for cloud data security.
  • SSI-based cloud migration enhances security during data discovery, classification, and access management.
  • The implemented SSI solution offers superior performance and reduced maintenance costs, aligning with increasing cloud platform usage.