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Related Concept Videos

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.
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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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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.
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Transport Number01:31

Transport Number

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The transport number is the fraction of the total current carried by an ion in an electrolyte solution. It is defined as the ratio of the current carried by a specific ion to the total current flowing through the solution. The transport number, t, is central to understanding ionic mobility, which describes how fast an ion moves under the influence of an electric field. This link connects the physical behavior of ions in solution to the chemical processes that occur during electrochemical...
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Translocation of proteins across membranes is an ancient process that occurs even in bacteria and archaebacteria. In fact, the components of the translocation machinery are still conserved between prokaryotes and eukaryotes.
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Transcellular transport of solutes is the movement of substances like monosaccharides and amino acids through polarized cells. This transport mechanism is primarily seen in epithelial and endothelial cells aided by membrane transport proteins such as channels and transporters. The tight junctions between these cells confine the membrane proteins to the two sides of the cell. The epithelial cells have distinct apical and basolateral domains. In contrast, the endothelial cells show the luminal...
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Updated: May 5, 2026

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TransBridge: A Transparent Communication Middleware with Unified RoCE and TCP Semantics.

Cong Zhou1, Yulei Yuan1, Peng Xun1

  • 1College of Computer Science and Technology, National University of Defense Technology, Changsha 410000, China.

Sensors (Basel, Switzerland)
|May 4, 2026
PubMed
Summary
This summary is machine-generated.

TransBridge, a new middleware, enhances edge intelligence by transparently bridging TCP and RoCE protocols. This boosts performance for applications like autonomous driving, overcoming latency challenges with a novel user-space architecture.

Keywords:
RDMARoCETCPsocketuser-space

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Area of Science:

  • Computer Science
  • Network Engineering
  • Distributed Systems

Background:

  • Low-latency communication is critical for edge intelligence applications like autonomous driving.
  • Traditional TCP protocol overhead hinders performance in these scenarios.
  • High-performance RoCE protocol is difficult to integrate with existing Socket APIs.

Purpose of the Study:

  • To develop a communication middleware that transparently bridges TCP and RoCE protocols.
  • To enable unmodified Socket-based applications to leverage RoCE performance.
  • To address stringent communication latency requirements in edge intelligence.

Main Methods:

  • Proposed TransBridge, a lightweight user-space communication middleware.
  • Implemented a transparent user-space compatibility architecture.
  • Developed a microsecond-level low-latency transmission engine bypassing kernel overhead.
  • Utilized a decentralized peer-to-peer architecture with deferred buffer updates for resource management.

Main Results:

  • Achieved 5.926 μs average round-trip latency for 16 B messages.
  • Reached 20.254 Gbps throughput for 16 KB messages on a RoCE network.
  • In Fast DDS evaluation, achieved 188 Mbps throughput and ~150 μs latency.

Conclusions:

  • TransBridge provides transparent and effective RoCE acceleration for Socket-based applications.
  • The middleware significantly outperforms mainstream schemes in edge environments.
  • Enables high-performance communication essential for demanding edge intelligence tasks.