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What is Quality of Service
1.
The United Nations Consultative Committee for International Telephony and Telegraphy (CCITT) Recommendation E.800, has defined QoS as: “The collective effect
of service
performance which determines the degree
of
satisfaction
of
a user
of
the
service
”. This is a widely accepted definition. But in the VANET context, QoS refers to different notions at different networking layers. At the physical layer, QoS refers to the data rate and packet loss on the wireless links, which is a function
of
the channel
quality
. At the MAC layer, QoS is related to the fraction
of
time, a node is able to successfully access and transmit a packet. At the routing layer, end-to-end QoS metrics would depend on the metrics at each hop
of
a multi-hop route. The routing layer must try to compute and maintain routes that satisfy the QoS requirement for the lifetime
of
a connection.
Learn more in: An Adaptive Fuzzy-Based Service-Oriented Approach with QoS Support for Vehicular Ad Hoc Networks
2.
The measurement
of
the network characteristics seen by a user by using quantitative measures.
Learn more in: Studying Quality of Experience (QoE) over Wireless Networks
3.
Designs the achievable performances that a system, an application or a
service
is expected to deliver to its consumers.
Learn more in: Pervasive Grids: Challenges and Opportunities
4.
The ability to provide different priority to different applications, users, or data flows, or to guarantee a certain level
of
performance to a data flow.
Learn more in: Grid Analysis of Radiological Data
5.
The evaluation
of
the performance
of
the
service
perceived or measured by the clients.
Learn more in: Quality of Service of Data Broadcasting Algorithms on Erroneous Wireless Channels
6.
The range or agreed boundaries within which the overall output performance that is delivered to the end user has to remain in order that minimum requirements for satisfactory
service
are maintained in the consumer environment.
Learn more in: Quality of Service Monitoring Strategies in Service Oriented Architecture Environments using Processor Hardware Performance Metrics
7.
This is a measure
of
network performance that reflects the network's transmission
quality
and
service
availability. QoS can come in the form
of
traffic policy in which the transmission rates are limited which guarantees a certain amount
of
bandwidth will be available to applications.
Learn more in: The Internet of Things
8.
Ability to
of
fer greater
quality
assurance for applications in a specific area
of
work.
Learn more in: WSARCH: A Service-Oriented Architecture with QoS
9.
The overall performance
of
a telephony or computer network.
Learn more in: Advances in QoS/E Characterization and Prediction for Next Generation Mobile Communication Systems
10.
It is defined as the measurement
of
the overall performance/throughput
of
network system.
Learn more in: Self-Managed System for Distributed Wireless Sensor Networks: A Review
11.
Providing cloud
service
s to the clients without violating the conditions provided in the SLA document.
Learn more in: Energy Management in Cloud Computing
12.
The optimal design
of
networks for telemedicine should meet technical aspects such as transmission bandwidth, delay, jitter, data loss, and so forth (
quality of service
).
Learn more in: VEMH: Virtual Euro-Mediterranean Hospital for Evidence-Based Medicine in The Euro-Mediterranean Region
13.
Concerns with the ability
of
a network to provide a data transmission
service
according to the client requirements.
Learn more in: Quality of Service and Radio Management in Biomedical Wireless Sensor Networks
14.
Quality of service
represents the
quality of
the functionalities provided by the sensor network. It may be represented in terms
of
coverage, delay, throughput, reliability and energy efficiency.
Learn more in: Priority Encoding-Based Cluster Head Selection Approach in Wireless Sensor Networks
15.
An objective characterisation
of
the performance levels delivered to users by a system or
service
. Ideally, a system should maintain QoS at or above some minimum level.
Learn more in: Low-Overhead Development of Scalable Resource-Efficient Software Systems
16.
It is a generic term referring to the level
of quality of
a certain
service
. QoS definition depends on the specific
service quality
parameters (e.g., jitter, delay, errors).
Learn more in: Exploiting P2P Solutions in Telecommunication Service Delivery Platforms
17.
The collective effect
of service
performance which determines the degree
of
satisfaction
of
a user
of
the
service
Learn more in: Performance Evaluation of Quality of Service in IEEE 802.15.4-Based Wireless Sensor Networks
18.
Can manage privacy, transparency, speed, and accuracy
of
blockchain transaction.
Learn more in: Blockchain Technology for IoT: An Information Security Perspective
19.
A set
of
characteristics
of
a networking
service
that can be interpreted as representatives
of
its
quality
.
Learn more in: Research Challenges in Multimedia WiMAX
20.
Refers to the capability
of
a system to provide
service
s to customers within the expected limits
of
user preference.
Learn more in: Virtualization as the Enabling Technology of Cloud Computing
21.
A measure
of
network performance that reflects the network's transmission
quality
and
service
availability. QoS can come in the form
of
traffic policy in which the transmission rates are limited which guarantees a certain amount
of
bandwidth will be available to applications.
Learn more in: Software Piracy
22.
It can provide different priority to different users or data flows, or guarantee a certain level
of
performance to a data flow in accordance with requests from the application program or the Internet
service
provider policy.
Learn more in: Adaptive Retransmission Scheme for Video Streaming Applications
23.
The ability to provide specific guarantees to traffic flows regarding the network characteristics, such as packet loss, delay, and jitter experienced by the flows.
Learn more in: Mobile Ad Hoc Networks (MANETs) for Multimedia Transmission
24.
The overall description
of
the performance
of
a cloud
service
.
Learn more in: A Collaborative Ranking Approach for Discovery and Selection of Cloud Services
25.
The perceived
quality
level
of
the structure that learner has about the involved technical components within technology-supported learning environments.
Learn more in: An Exploratory Analysis of the Role of Emotions in E-Learning
26.
A measure
of
network performance that reflects the network's transmission
quality
and
service
availability. QoS can come in the form
of
traffic policy in which the transmission rates are limited which guarantees a certain amount
of
bandwidth will be available to applications.
Learn more in: Cloud Computing
Find more terms and definitions using our
Dictionary Search
.
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