respected sir.
i designed the senario blow but i donot get any difference for queue type
Droptail and RED
please help me by providing some suggestions. packet loss are same for both.
Blow whole program is kept same only i change between node3 and node 4 to RED
# ======================================================================
# Main Program
# ======================================================================
set val(finish) 7 ;# time of simulation end
set ns [new Simulator]
set tracefd [open tracefileDT1_3.tr w]
#set log [open outputDT1_3.tr w]
$ns trace-all $tracefd
#$ns use-newtrace
set namtrace [open outDT1_3.nam w]
$ns namtrace-all $namtrace
# Define a 'finish' procedure
proc finish {} {
global ns tracefd namtrace
$ns flush-trace
close $tracefd
close $namtrace
#close $log
exec nam outDT1_3.nam &
exit 0
}
for {set i 0} {$i < 5 } {incr i} {
set node_($i) [$ns node]
}
#Create links between the nodes
$ns simplex-link $node_(0) $node_(3) 1Mb 100ms DropTail
$ns simplex-link $node_(1) $node_(3) 1Mb 100ms DropTail
$ns simplex-link $node_(2) $node_(3) 1Mb 100ms DropTail
$ns simplex-link $node_(3) $node_(4) 1Mb 100ms DropTail #(change this to RED)
#Set Queue Size of link (n3-n4) to 10
$ns queue-limit $node_(3) $node_(4) 25
#monitor the queue
$ns simplex-link-op $node_(3) $node_(4) queuePos .5
#Setup a UDP0 connection
set udp0 [new Agent/UDP]
$ns attach-agent $node_(0) $udp0
set null [new Agent/Null]
$ns attach-agent $node_(4) $null
$ns connect $udp0 $null
$udp0 set fid_ 1
#Setup a CBR over UDP connection
set cbr [new Application/Traffic/CBR]
$cbr attach-agent $udp0
$cbr set type_ CBR
$cbr set packet_size_ 500
$cbr set rate_ 0.1mbps
$cbr set random_ false
#Setup a UDP1 connection
set udp1 [new Agent/UDP]
$ns attach-agent $node_(1) $udp1
set null [new Agent/Null]
$ns attach-agent $node_(4) $null
$ns connect $udp1 $null
$udp1 set fid_ 1
#Setup a CBR over UDP connection
set cbr1 [new Application/Traffic/CBR]
$cbr1 attach-agent $udp1
$cbr1 set type_ CBR
$cbr1 set packet_size_ 500
$cbr1 set rate_ 0.6mbps
$cbr1 set random_ false
#Setup a UDP2 connection
set udp2 [new Agent/UDP]
$ns attach-agent $node_(2) $udp2
set null [new Agent/Null]
$ns attach-agent $node_(4) $null
$ns connect $udp2 $null
$udp2 set fid_ 1
#Setup a CBR over UDP connection
set cbr2 [new Application/Traffic/CBR]
$cbr2 attach-agent $udp2
$cbr2 set type_ CBR
$cbr2 set packet_size_ 500
$cbr2 set rate_ 0.6mbps
$cbr2 set random_ false
#Schedule events for the CBR and FTP agents
$ns at 1.0 "$cbr start"
$ns at 1.0 "$cbr1 start"
$ns at 1.0 "$cbr2 start"
$ns at 6.5 "$cbr stop"
$ns at 6.5 "$cbr1 stop"
$ns at 6.5 "$cbr2 stop"
# Ending nam and the simulation
#$ns at $val(finish) "$ns nam-end-wireless $val(finish)"
$ns at 7.0 "finish"
$ns at 7.01 "puts \"ns EXITING...\" ; $ns halt"
puts "Starting Simulation..."
$ns run
please also tell me is this a valid program for udp flood DoS attack
--- On Fri, 24/6/11, [email protected] <[email protected]> wrote:
From: [email protected] <[email protected]>
Subject: Ns-users Digest, Vol 90, Issue 22
To: [email protected]
Date: Friday, 24 June, 2011, 5:30 AM
Send Ns-users mailing list submissions to
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Today's Topics:
1. Last 10 Days: EMERGING 2011 || November 20-25, 2011 - Lisbon,
Portugal (Cristina Pascual)
2. Last 10 Days!: UBICOMM 2011 || November 20-25, 2011 - Lisbon,
Portugal (Jaime Lloret Mauri)
3. Last 10 Days!: AP2PS 2011 || November 20-25, 2011 - Lisbon,
Portugal (Cristina Pascual)
4. Packet Fragment-Defrag. provision in NS2 (qweq adcsad)
5. problem in simulating a wired cum wireless link between two
nodes... (sam sha)
6. Re: Error in Tcl script (Mohamed Ibrahim Salman)
7. Trace Analyzer (Aayushi Shashi)
----------------------------------------------------------------------
Message: 1
Date: Thu, 23 Jun 2011 04:04:07 +0200
From: Cristina Pascual<[email protected]>
Subject: [ns] Last 10 Days: EMERGING 2011 || November 20-25, 2011 -
Lisbon, Portugal
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=us-ascii
INVITATION:
=================
Note that the submission deadline has been extended to July 1st, 2011.
Please consider to contribute to and/or forward to the appropriate groups the
following opportunity to submit and publish original scientific results.
In addition, authors of selected papers will be invited to submit extended
article versions to one of the IARIA Journals: http://www.iariajournals.org
=================
============== EMERGING 2011 | Call for Papers ===============
CALL FOR PAPERS, TUTORIALS, PANELS
EMERGING 2011: The Third International Conference on Emerging Network
Intelligence
November 20-25, 2011 - Lisbon, Portugal
General page: http://www.iaria.org/conferences2011/EMERGING11.html
Call for Papers: http://www.iaria.org/conferences2011/CfPEMERGING11.html
- regular papers
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Submission page: http://www.iaria.org/conferences2011/SubmitEMERGING11.html
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Extended versions of selected papers will be published in IARIA Journals:
http://www.iariajournals.org
Please note the Poster Forum and Work in Progress options.
The topics suggested by the conference can be discussed in term of concepts,
state of the art, research, standards, implementations, running experiments,
applications, and industrial case studies. Authors are invited to submit
complete unpublished papers, which are not under review in any other conference
or journal in the following, but not limited to, topic areas.
All tracks are open to both research and industry contributions, in terms of
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presentations, Demos, Tutorials, and Panels.
Before submission, please check and comply with the Editorial rules:
http://www.iaria.org/editorialrules.html
EMERGING 2011 Topics (topics and submission details: see CfP on the site)
Evolution of telecommunications network architectures
Advanced communications systems; New configurable protocols stacks and
real-time mechanisms; Applications and services for next-generation
architectures; Scalability and manageability of network architectures;
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Wireless
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Emerging technologies and applications
Vehicular ad hoc networks; Bio-inspired networks; Tele-medicine/e-health
networks; User-centric services and applications; Autonomous and autonomic
systems; Self-manageable systems; Emerging computation business models; Social
networks; eSociety
---------------
EMERGING Advisory Chairs
Raj Jain, Washington University in St. Louis, USA
Michael D. Logothetis, University of Patras, Greece
Tulin Atmaca, IT/Telecom&Management SudParis, France
Phuoc Tran-Gia, University of Wuerzburg, Germany
Nuno M. Garcia, Universidade Lusófonas de Humanidades e Tecnologias, Lisboa,
Portugal
EMERGING 2011 Industry Liaison Chairs
Krishna Murthy, Quintiles, USA
Tadashi Araragi, Nippon Telegraph and Telephone Corporation – Kyoto, Japan
Robert Foster, Edgemount Solutions - Plano, USA
EMERGING 2011 Research Chair
David Carrera, Barcelona Supercomputing Center (BSC) / Universitat Politecnica
de Catalunya (UPC), Spain
Committee: http://www.iaria.org/conferences2011/ComEMERGING11.html
====================
------------------------------
Message: 2
Date: Thu, 23 Jun 2011 04:16:00 +0200
From: Jaime Lloret Mauri<[email protected]>
Subject: [ns] Last 10 Days!: UBICOMM 2011 || November 20-25, 2011 -
Lisbon, Portugal
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=us-ascii
INVITATION:
=================
Note that the submission deadline has been extended to July 1st, 2011.
Please consider to contribute to and/or forward to the appropriate groups the
following opportunity to submit and publish original scientific results.
In addition, authors of selected papers will be invited to submit extended
article versions to one of the IARIA Journals: http://www.iariajournals.or
=================
============== UBICOMM 2011 | Call for Papers ===============
CALL FOR PAPERS, TUTORIALS, PANELS
UBICOMM 2011: The Fifth International Conference on Mobile Ubiquitous
Computing, Systems, Services and Technologies
November 20-25, 2011 - Lisbon, Portugal
General page: http://www.iaria.org/conferences2011/UBICOMM11.html
Call for Papers: http://www.iaria.org/conferences2011/CfPUBICOMM11.html
- regular papers
- short papers (work in progress)
- industrial presentations
- posters
- ideas
Submission page: http://www.iaria.org/conferences2011/SubmitUBICOMM11.html
Submission deadline: July 1st, 2011
Sponsored by IARIA, www.iaria.org
Extended versions of selected papers will be published in IARIA Journals:
http://www.iariajournals.org
Please note the Poster Forum and Work in Progress options.
The topics suggested by the conference can be discussed in term of concepts,
state of the art, research, standards, implementations, running experiments,
applications, and industrial case studies. Authors are invited to submit
complete unpublished papers, which are not under review in any other conference
or journal in the following, but not limited to, topic areas.
All tracks are open to both research and industry contributions, in terms of
Regular papers, Posters, Work in progress, Technical/marketing/business
presentations, Demos, Tutorials, and Panels.
Before submission, please check and comply with the Editorial rules:
http://www.iaria.org/editorialrules.html
UBICOMM 2011 Topics (topics and submission details: see CfP on the site)
Fundamentals
Semantics of ubiquity; Ubiquitous knowledge; Knowledge discovery mechanisms;
Profiling ubiquitous environments; Ubiquitous technologies for education,
learning, and training
Mobility
Ubiquitous computing; Wearable computing; Mobile computing; Nomadic computing;
Mobile commerce; Mobile learning
Information Ubiquity
Ubiquitous information appliances; Information retrieval and filtering; Context
awareness; Control of ubiquitous data; Data management and processing; Data
replication, migration and dissemination
Ubiquitous Multimedia Systems and Processing
Multimedia content recognition, indexing and search; Mobile graphics, games and
entertainment; Ubiquitous multimedia applications and systems; Streaming mobile
multimedia; Mobile media management; Multimedia ubiquitous platforms;
Multimedia Indexing and Compression; Image and Signal Processing; Virtual
reality in ubiquitous systems
Wireless Technologies
Bluetooth; 802.11.x; 802.15.x; ZigBee; WiMax
Web Services
Web 2.0; Semantic web; Web services; Ontology; Web Services evolution; Web
Services applications
Ubiquitous networks
Ubiquitous networks; Network management; Network performance evaluation;
Networks and technology convergence; Internet access in ubiquitous systems;
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personalization of ubiquitous networks
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Embedded systems; Operative systems for ubiquitous devices; Real-time operating
systems and scheduling
Ubiquitous mobile services and protocols
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transactions and workflows in mobile and ubiquitous Networks; Algorithms for
ubiquitous systems; SLA/QoS in ubiquitous services; Ontology based services;
Location-based services; Protocols and interaction mechanisms for ubiquitous
services; Mobile services and service convergence; Service discovery
mechanisms; Tracking in ubiquitous environments; Measurement, control, and
management of ubiquitous services; Design and development of ubiquitous
services; Wireless/mobile service delivery
Ubiquitous software and security
Ambient components; Agent technologies; Software for spontaneous
interoperation; Dependability guarantees; Security; Key Management and
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Collaborative ubiquitous systems
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ubiquitous networks; Handheld and wearable systems for interaction in
collaborative groups and communities; Ad hoc collaboration in ubiquitous
computing environments; Awareness of collaboration and of work environment;
Inherently mobile collaborative work
User and applications
Mobile user interfaces; Ubiquitous user-generated content (weblogs, wikis,
etc.); Mobile and ubiquitous computing support for collaborative learning; User
modeling and personalization; Context- and location-aware applications;
Toolkits, testbeds, development environments; Tools and techniques for
designing, implementing, & evaluating ubiquitous systems; Constructing,
deploying and prototyping of ubiquitous applications; Evaluation of user models
for ubiquitous environments; On-line analytical techniques; Human-computer
interaction in ubiquitous computing environments; Ubiquitous e-Development
(business, science, health, etc.); Case Studies; Emerging
industrial/business/scientific ubiquitous scenarios; Ambient intelligence;
Social issues and implications of ubiquitous system
UBICOMM Advisory Chairs
Jaime Lloret Mauri, Polytechnic University of Valencia, Spain
Sathiamoorthy Manoharan, University of Auckland, New Zealand
Zary Segal, UMBC, USA
Yoshiaki Taniguchi, Osaka University, Japan
Ruay-Shiung Chang, National Dong Hwa University, Taiwan
UBICOMM 2011 Research Chairs
Korbinian Frank, German Aerospace Center - Institute of Communications and
Navigation, Germany
Carlo Mastroianni, CNR, Italy
Sergey Balandin, FRUCT, Finland
Juong-Sik Lee, Nokia Research Center - Palo Alto, USA
Ann Gordon-Ross, University of Florida, USA
Michele Ruta, Politecnico di Bari, Italy
Committee: http://www.iaria.org/conferences2011/ComUBICOMM11.html
====================
------------------------------
Message: 3
Date: Thu, 23 Jun 2011 04:54:38 +0200
From: Cristina Pascual<[email protected]>
Subject: [ns] Last 10 Days!: AP2PS 2011 || November 20-25, 2011 -
Lisbon, Portugal
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=us-ascii
INVITATION:
=================
Note that the submission deadline has been extended to July 1st, 2011.
Please consider to contribute to and/or forward to the appropriate groups the
following opportunity to submit and publish original scientific results.
In addition, authors of selected papers will be invited to submit extended
article versions to one of the IARIA Journals: http://www.iariajournals.org
=================
============== AP2PS 2011 | Call for Papers ===============
CALL FOR PAPERS, TUTORIALS, PANELS
AP2PS 2011: The Third International Conference on Advances in P2P Systems
November 20-25, 2011 - Lisbon, Portugal
General page: http://www.iaria.org/conferences2011/AP2PS11.html
Call for Papers: http://www.iaria.org/conferences2011/CfPAP2PS11.html
- regular papers
- short papers (work in progress)
- industrial presentations
- posters
- ideas
Submission page: http://www.iaria.org/conferences2011/SubmitAP2PS11.html
Submission deadline: July 1st, 2011
Sponsored by IARIA, www.iaria.org
Extended versions of selected papers will be published in IARIA Journals:
http://www.iariajournals.org
Please note the Poster Forum and Work in Progress (short papers) options.
The topics suggested by the conference can be discussed in term of concepts,
state of the art, research, standards, implementations, running experiments,
applications, and industrial case studies. Authors are invited to submit
complete unpublished papers, which are not under review in any other conference
or journal in the following, but not limited to, topic areas.
All tracks are open to both research and industry contributions, in terms of
Regular papers, Posters, Work in progress, Technical/marketing/business
presentations, Demos, Tutorials, and Panels.
Before submission, please check and comply with the Editorial rules:
http://www.iaria.org/editorialrules.html
AP2PS 2011 Topics (topics and submission details: see CfP on the site)
Architectures and protocols
Search protocols; Publish and subscribe systems; Overlay based multicast;
Multilayer systems; Locality awareness; Gossip-based and epidemic protocols;
Integration with network operators and service providers; Autonomic computing
and networking; Semantic P2P; Opportunistic networking
Applications
Content delivery networks; Cloud computing; Public resource computing;
Aggregate computing; Web services; Computational, service, and storage Grids;
Voice and video streaming and IPTV; Collaborative platforms and social networks
; Network management; Wireless sensor networks; Scientific computing and
workflow management systems; Green computing
Prototypes and simulations
Implementations; Comparative performance analysis; Dependability, resilience
and availability; Scalability; Stability; Benchmarking and optimization;
Quality of experience
Security, trust and reputation
Privacy & Anonymity; Trust and reputation management; Free-riding prevention;
Authentication and identity management; Fairness and Incentive models; Virtual
economies; Digital rights management; Content filtering
P2P and wireless convergence
P2P in cellular networks; P2P in wireless networks; P2P in ad hoc networks;
Integrated approaches; Energy efficiency
----------------------
AP2PS General Chairs
Nick Antonopoulos, University of Derby, UK
Antonio Liotta, Eindhoven University of Technology, The Netherlands
Giuseppe Di Fatta, The University of Reading, UK
AP2PS Advisory Chairs
Marco Aiello, University of Groningen, The Netherlands
Takahiro Hara, University of Osaka, Japan
Ouri Wolfson, University of Illinois at Chicago, USA
AP2PS 2011 Industry Liaison Chair
Christoph Schuba, Oracle Corp., USA
Roman Y. Shtykh, Rakuten, Inc., Japan
AP2PS 2011 Research Chairs
Yasushi Kambayashi, Nippon Institute of Technology, Japan
Anders Fongen, Norwegian Defense Research Establishment, Norway
Quang Hieu Vu, ETISALAT BT Innovation Center (EBTIC)/ Khalifa University, UAE
Committee: http://www.iaria.org/conferences2011/ComAP2PS11.html
====================
------------------------------
Message: 4
Date: Thu, 23 Jun 2011 00:00:41 -0700 (PDT)
From: qweq adcsad <[email protected]>
Subject: [ns] Packet Fragment-Defrag. provision in NS2
To: nsusers <[email protected]>
Message-ID:
<[email protected]>
Content-Type: text/plain; charset=us-ascii
Hi,
Could anybody please suggest whether there is any provision of fragmentation
and reassembling of packet in LL or MAC or PHY in NS2?
Regards,
Nill
------------------------------
Message: 5
Date: Thu, 23 Jun 2011 14:59:48 +0530
From: sam sha <[email protected]>
Subject: [ns] problem in simulating a wired cum wireless link between
two nodes...
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset="iso-8859-1"
Hi Alysson,
Thanks for your time and effort.
However, I would highly appreciate if you could suggest me something to
transfer data between BS or how can I simulate a same kind of topology. My
ultimate aim is to simulate a wireless link between two nodes where the
other side of both the nodes is a wired interface...
Thanking you in anticipation...
Regards,
Samar
---------- Forwarded message ----------
From: Alysson Oliveira <[email protected]>
Date: Mon, Jun 20, 2011 at 8:02 PM
Subject: Re: [ns] problem in simulating a wired cum wireless link between
two nodes...
To: sam sha <[email protected]>
Hi
You had made some hierarquical mistake.
But dont transfer data between BS yet.
I'll see it latter...
See you...
Alysson
2011/6/19, sam sha <[email protected]>:
> Hi Alysson Oliveria,
>
> Thanks for your response...
> I am attaching herewith my scenario.tcl ... I wanted just to make a
> wireless link between two nodes while another interface of the node is a
> wired link. I am not sure where I am mistaken...
>
> Thanking you for your timely help....
>
> Regards,
> Sam
>
>
> On Sat, Jun 18, 2011 at 5:50 PM, Alysson Oliveira
> <[email protected]>wrote:
>
>> Hi Sam Sha,
>>
>> Would you send you tcl code? May be you had any topology mistake!
>>
>> Please, see:
>> you exemple file ns-2.34/tcl/ex/wired-cum-wireless-sim.tcl
>> http://www.ece.iupui.edu/tutorials/ns2/index.php?section=9
>> http://www.isi.edu/nsnam/ns/doc/node192.html
>>
>> Good luck!
>>
>> Alysson Oliveira
>>
>>
>>
>>
>> 2011/6/17, sam sha <[email protected]>:
>> >
>> > Hi all,
>> >
>> > I want to simulate a wireless link between two nodes. where both the
>> nodes
>> > have a wired interface as well. So my simulation topology is like - I
>> > receive the data from the wired link on node-1, I transmit the same on
>> the
>> > wireless link to node-2, now node-2 receives the data and sends on the
>> wired
>> > interface to other nodes in the network.
>> >
>> > I tried making the two nodes as the base station nodes I get the
>> following
>> > error :
>> >
>> > num_nodes is set 2
>> > INITIALIZE THE LIST xListHead
>> > --- Classfier::no-slot{} default handler (tcl/lib/ns-lib.tcl) ---
>> > _o15: no target for slot -1
>> > _o15 type: Classifier/Hash/Dest
>> > content dump:
>> > classifier _o15
>> > 0 offset
>> > 0 shift
>> > 2147483647 mask
>> > 0 slots
>> > -1 default
>> > ---------- Finished standard no-slot{} default handler ----------
>> >
>> >
>> >
>> > Please provide any suggestion or any documentation that will help me in
>> > simulating the scenario....
>> >
>> > Thank you all in anticipation...
>> >
>> > Regards,
>> > Sam
>> >
>>
>>
>> --
>> Alysson Oliveira
>>
>
--
Alysson Oliveira
------------------------------
Message: 6
Date: Thu, 23 Jun 2011 05:21:44 -0700 (PDT)
From: Mohamed Ibrahim Salman <[email protected]>
Subject: Re: [ns] Error in Tcl script
To: Leo S?nchez <[email protected]>
Cc: "[email protected]" <[email protected]>
Message-ID: <[email protected]>
Content-Type: text/plain; charset=iso-8859-1
?Yes, that solved the problem , thank you very much.
________________________________
From: Leo S?nchez <[email protected]>
To: [email protected]
Sent: Wednesday, June 22, 2011 8:57 PM
Subject: Re: [ns] Error in Tcl script
Try defining the process this way:
proc discover_ferry { src dst now index } {
global ns_ node_
...
...
...
}
Hope it helps!
Leo S?nchez
El 22/06/2011 16:48, Mohamed Ibrahim Salman escribi?:
> Hi,
>
> This error appear when I try to invoke discover_ferry{} function
>
>
>
> ns: discover_ferry? 1 13 0.000000 30000 : can't read "node_(1)": no such
> variable
>? ? ? while executing
> "$ns_ attach-agent $node_($src) $udp_($index)"
>? ? ? (procedure "discover_ferry" line 6)
>? ? ? invoked from within
> "discover_ferry? 1 13 0.000000 30000"
>
>
>
>
>
>
> proc discover_ferry { src dst now index } {
> global ns_ node_($src) node_($dst)
>
> set udp_($index) [new Agent/UDP]
> $ns_ attach-agent $node_($src) $udp_($index)
> set null_($index) [new Agent/Null]
> $ns_ attach-agent $node_($dst) $null_($index)
> set cbr_($index) [new Application/Traffic/CBR]
> $cbr_($index) set packetSize_ 256
>
>
> $cbr_($index) set maxpkts_ 1
> $cbr_($index) attach-agent $udp_($index)
> $ns_ connect $udp_($index) $null_($index)
>
> $ns_ at $now "$cbr_($index) start"
>
> }
------------------------------
Message: 7
Date: Thu, 23 Jun 2011 20:51:35 +0000
From: Aayushi Shashi <[email protected]>
Subject: [ns] Trace Analyzer
To: <[email protected]>
Message-ID: <[email protected]>
Content-Type: text/plain; charset="windows-1256"
Hello everybody,
I'm making some simulations, and i 'll need to analyze. So I have been
searching trace analyzers, and I wanted to know if you could recommend some
trace analyzer that calculates the total average delay.
I hope you can help me.
thank you!
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End of Ns-users Digest, Vol 90, Issue 22
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