ElasticTree: Saving Energy in Data Center Networks pptx
ElasticTree: Saving Energy in Data Center Networks pptx
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ElasticTree: Saving Energy in Data Center Networks pdf
... most energy savings.
3.1.4 Traffic in a R ealistic Data Center
In order to evaluate energy savings with a re al
data center workload, we collected system and net-
work traces from a production data ... different scaling factors, as well as for different
intra data center versus outside data center (exter-
nal) traffic ratios, we observe energy savings ranging
from 25-62...
Saving Energy in Data Center Networks potx
... for power savings in data
center networks due to two main reasons:
–
Networks are over provisioned for worst case load
–
Newer network topologies
Example
Traffic in a Realistic Data Center
•
Collected ... the most active switch above or
below (whichever is higher).
ElasticTree: Saving Energy in
Data Center Networks
Brandon Heller, SriniSeetharaman, PriyaMahadeva...
Báo cáo hóa học: " Research Article An Energy-Efficient Framework for Multirate Query in Wireless Sensor Networks" pptx
... Ahn, “Optimizing data replication
for expanding ring-based queries in wireless sensor networks, ”
in Proceedings of the 4th International Symposium on Model-
ing and Optimization in Mobile, Ad ... Many
existing research works address the problem of minimiz-
ing energy consumption by minimizing the communication
overhead, such as adopting data aggregation to reduce data
transmis...
Tài liệu Data Center Architecture pptx
... 2005 Cisco Systems, Inc. All rights reserved.
DC-1101
11201_05_2005_c2
Business Continuance
Providing the Infrastructure for Business Continuance
• Business Continuance
How much data can you
afford ... Management networks
Good Design Requires Defined
Business Policies
191919
© 2005 Cisco Systems, Inc. All rights reserved.
DC-1101
11201_05_2005_c2
Caching in the Data Center
Offload...
Advanced Security Management in Metro Ethernet Networks* pptx
...
In addition to assisting in spoofing prevention, the SC can also be used to pinpoint the origin of spoofing
attacks. For example, when a malicious user tries to contaminate the ARP table in ... access switch residing in
the basement of a building aggregating user traffic within the building. In a typical ETTx deployment, a
building often consists of business users (in the ground...
Báo cáo hóa học: " Performance analysis of spectrum sharing mechanisms in cognitive radio networks" pptx
... the preemptive mechanism in joint leasing and sensing-based CRNs.
Keywords: cognitive radio networks, joint leasing and sensing, non-preemptive mechanism, QoS tradeoff
1. Introduction
Cognitive ... PU in service left), the waiting sig-
naling is canceled for PUs in the primary system via the
spectrum broker. In the situation without waiting signal-
ing, the proposed mechanism works...
Báo cáo hóa học: "Location based spectrum sensing evaluation in cognitive radio networks" pptx
... component of the
emerging cognitive radio networks. In this article, we
study the spectrum sensing problem jointly taking the fad-
ing and the location of SUs into account. We obtain the
overall average ... section.
‘ Interference modeling’ section depicts the details of
interference modeling. Our simulation results are given
in ‘Simulation results’ section. Finally, we conclude this
art...
Báo cáo hóa học: " Research Article Tree Based Protocol for Key Management in Wireless Sensor Networks" pptx
... station
join the tree. In Figure 3(b), we only show the step during
which neighbors of nodes S5 join the tree. Finally, the
complete tree is depicted in Figure 3(c).
3.3. Tree Maintenance and Rekeying. ... example in [6], the authors focus
on developing cost -saving mechanisms while weakening the
threat model. They propose Key Infection, a lightweight
security protocol suitable for use...
Báo cáo hóa học: " Research Article Modeling the Lion Attack in Cognitive Radio Networks" pptx
... TCP
source inactivity
T after receiving an attack can be obtained
as in
T
=
∞
i=1
t
i
·Pr
(
T = t
i
)
.
(21)
3.7. Obtaining the TCP Inactivity Percentage due to the Lion
Attack. We can assume an inactivity ... J M. Park, “Ensuring trustworthy spectrum
sensing in cognitive radio networks, ” in Proceedings of the
1st IEEE Workshop on Networking Technologies for Software
Defined Radio N...
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