Research Square (Research Square),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Sept. 14, 2022
Abstract
Virtual
Machine
(VM)
instance
price
prediction
in
cloud
computing
is
an
emerging
and
important
research
area.
VM
instance’s
used
for
different
purposes
such
as
reducing
energy
consumption,
maintaining
Service
Level
Agreement
(SLA),
balancing
workload
at
data
centers.
In
this
paper,
we
propose
a
Seasonal
Auto-Regressive
Moving
Average
(SARIMA)
based
prediction.
We
also
investigate
two
models
known
Auto
Regressive
Integrated
(ARIMA),
Long
ShortTerm
Memory
(LSTM).
The
experimental
results
show
that
the
proposed
SARIMA
(0,1,0)
(1,1,0)
model
outperforms
ARIMA
LSTM
with
MAPE
percentage
of
1.147.
IEEE Transactions on Network and Service Management,
Journal Year:
2022,
Volume and Issue:
20(2), P. 961 - 973
Published: Sept. 27, 2022
Energy-efficient
task
scheduling
in
data
centers
is
a
critical
issue
and
has
drawn
wide
attention.
However,
the
execution
times
are
mixed
hard
to
estimate
real-world
center.
It
been
conspicuously
neglected
by
existing
work
that
decisions
made
at
tasks’
arrival
likely
cause
energy
waste
or
idle
resources
over
time.
To
fill
such
gaps,
this
paper,
we
jointly
consider
assignment
migration
for
duration
tasks
devise
novel
energy-efficient
algorithm.
Task
can
improve
resource
utilization,
required
when
long-running
run
low-load
servers.
Specifically:
1)
We
formulate
as
large-scale
Markov
Decision
Process
(MDP)
problem;
2)
solve
MDP
problem,
design
an
efficient
Deep
Reinforcement
Learning
(DRL)
algorithm
make
decisions.
DRL
more
practical
real
scenarios,
multiple
optimizations
proposed
achieve
online
training;
3)
Experiments
with
have
shown
our
outperforms
baselines
14%
on
average
terms
of
consumption
while
keeping
same
level
Quality
Service
(QoS).
Computing,
Journal Year:
2024,
Volume and Issue:
106(9), P. 3031 - 3062
Published: July 8, 2024
Abstract
One
of
the
preconditions
for
efficient
cloud
computing
services
is
continuous
availability
to
clients.
However,
there
are
various
reasons
temporary
service
unavailability
due
routine
maintenance,
load
balancing,
cyber-attacks,
power
management,
fault
tolerance,
emergency
incident
response,
and
resource
usage.
Live
Virtual
Machine
Migration
(LVM)
an
option
address
by
moving
virtual
machines
between
hosts
without
disrupting
running
services.
Pre-copy
memory
migration
a
common
LVM
approach
used
in
systems,
but
it
faces
challenges
high
rate
frequently
updated
pages
known
as
dirty
pages.
Transferring
these
during
pre-copy
prolongs
overall
time.
If
large
numbers
remaining
after
predefined
iteration
page
transfer,
stop-and-copy
phase
initiated,
which
significantly
increases
downtime
negatively
impacts
availability.
To
mitigate
this
issue,
we
introduce
prediction-based
that
optimizes
process
dynamically
halting
when
predicted
falls
below
threshold.
Our
proposed
machine
learning
method
was
rigorously
evaluated
through
experiments
conducted
on
dedicated
testbed
using
KVM/QEMU
technology,
involving
different
VM
sizes
memory-intensive
workloads.
A
comparative
analysis
against
methods
default
reveals
remarkable
improvement,
with
average
64.91%
reduction
RAM
configurations
high-write-intensive
workloads,
along
total
time
approximately
85.81%.
These
findings
underscore
practical
advantages
our
reducing
disruptions
live
systems.
Entropy,
Journal Year:
2023,
Volume and Issue:
25(2), P. 351 - 351
Published: Feb. 14, 2023
With
the
rapid
development
of
integration
in
blockchain
and
IoT,
virtual
machine
consolidation
(VMC)
has
become
a
heated
topic
because
it
can
effectively
improve
energy
efficiency
service
quality
cloud
computing
blockchain.
The
current
VMC
algorithm
is
not
effective
enough
does
regard
load
(VM)
as
an
analyzed
time
series.
Therefore,
we
proposed
based
on
forecast
to
efficiency.
First,
migration
VM
selection
strategy
increment
prediction
called
LIP.
Combined
with
increment,
this
accuracy
selecting
from
overloaded
physical
machines
(PMs).
Then,
point
sequence
SIR.
We
merged
VMs
complementary
series
into
same
PM,
improving
stability
PM
load,
thereby
reducing
level
agreement
violation
(SLAV)
number
migrations
due
resource
competition
PM.
Finally,
better
LIP
experimental
results
show
that
our
International Journal of Advanced Computer Science and Applications,
Journal Year:
2023,
Volume and Issue:
14(5)
Published: Jan. 1, 2023
Green
cloud
computing
is
a
modern
approach
that
provides
pay-per-use
information
and
communication
technologies
with
minimal
carbon
footprint.
Cloud
enables
users
to
access
resources
without
the
need
for
local
servers
or
personal
devices
operate
applications.
It
allows
businesses
developers
infrastructure
hardware
conveniently.
Consequently,
this
results
in
growing
demand
data
centers.
becomes
crucial
maintaining
economic
environmental
sustainability
as
centers
use
disproportionate
energy.
This
points
energy
consumption
being
important
topics
research
computing.
paper
introduces
two-tiered
VM
placement
algorithm.
A
queuing
model
proposed
at
first
level
handle
many
requests.
Models
such
simulation
are
easily
implemented
validated
using
model.
also
an
alternate
method
allocating
tasks
servers.
Next,
multi-objective
algorithm
based
on
Krill
Herd
(KH)
Basically,
it
maintains
balance
between
resource
utilization.
IEEE Access,
Journal Year:
2024,
Volume and Issue:
12, P. 95986 - 96007
Published: Jan. 1, 2024
Recent
developments
in
cloud
technology
enable
one
to
dynamically
deploy
heterogeneous
resources
as
and
when
needed.
This
dynamic
nature
of
the
incoming
workload
causes
fluctuations
environment,
which
is
currently
addressed
using
traditional
reactive
scaling
techniques.
Simple
approaches
affect
elastic
system
performance
either
by
over-provisioning
significantly
increases
cost,
or
under-provisioning,
leads
starvation.
Hence
automated
resource
provisioning
becomes
an
effective
method
deal
with
such
fluctuations.
The
aforementioned
problems
can
also
be
resolved
intelligent
techniques
assigning
required
while
adapting
environment.
In
this
paper,
a
reinforcement
learning-based
proactive
allocation
framework
(RLPRAF)
proposed.
simultaneously
learns
environment
distributes
resources.
proposed
work
presents
paradigm
for
optimal
merging
notions
automatic
computation,
linear
regression,
learning.
When
tested
real-time
workloads,
RLPRAF
surpasses
previous
auto-scaling
algorithms
considering
CPU
usage,
response
time,
throughput.
Finally,
set
tests
demonstrate
that
suggested
strategy
lowers
overall
expense
30%
SLA
violation
77.7%.
Furthermore,
it
converges
at
optimum
timing
demonstrates
feasible
wide
range
real-world
service-based
applications.
Applied Sciences,
Journal Year:
2022,
Volume and Issue:
12(18), P. 9230 - 9230
Published: Sept. 14, 2022
Cloud
computing
provides
blockchain
a
flexible
and
cost-effective
service
by
on-demand
resource
sharing,
which
also
introduces
additional
security
risks.
Adaptive
Cyber
Defense
(ACD)
solution
that
continuously
changes
the
attack
surface
according
to
cloud
environments.
The
dynamic
characteristics
of
ACDs
give
defenders
tactical
advantage
against
threats.
However,
when
assessing
effectiveness
ACDs,
structure
traditional
evaluation
methods
becomes
unstable,
especially
combining
multiple
ACD
techniques.
Therefore,
there
is
still
lack
standard
quantitatively
evaluate
ACDs.
In
this
paper,
we
conducted
thorough
with
hierarchical
model
named
SPM.
proposed
made
up
three
layers
integrating
Stochastic
Reward
net
(SRN),
Poisson
process,
Martingale
theory
incorporated
in
Markov
chain.
SPM
two
main
advantages:
(1)
it
allows
explicit
quantification
straightforward
computation;
(2)
helps
obtain
metrics
interest.
Moreover,
architecture
each
layer
be
used
independently
adopted
method.
simulation
results
show
efficient
evaluating
various
synergy
effect
their
combination,
thus
improve
system
configuration
accordingly.
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: April 7, 2023
Abstract
The
scheduling
of
appropriate
resources
for
cloud
workloads
is
a
difficult
task,
as
it
depends
on
the
quality
service
needs
applications.
Due
to
their
limited
data
storage
and
energy
capabilities,
IoT
applications
demand
high-speed
transfer
low
latency.
Many
devices
generate
continuously
want
store
quickly
efficiently.
Dynamic
virtual
machine
(VM)
allocation
in
centers
(DCs)
taking
advantage
computing
paradigm.
Each
VM
request
characterized
by
four
parameters:
CPU,
RAM,
disk,
bandwidth.
Allocators
are
designed
accept
many
requests
possible,
considering
power
consumption
device's
network.
Resource
time
two
most
significant
problems
computing.
To
overcome
this
problem,
paper,
author
has
extended
CloudSim
with
multi-resource
minimum
model
that
allows
more
accurate
valuation
dynamic
scheduling.
proposes
new
algorithm
advance
algorithm(ASA),
which
provides
better
solution
other
algorithms
like
Ant
Colony
Optimization
(ACO),
Particle
Swarm
(PSO)
Artificial
Bee
Colony(ABC).
also
tries
reduce
give
task
VM.