free asp. net mvc pdf viewer : Converting image pdf to text SDK software service wpf winforms windows dnn 201007-JTIperf0-part368

Iperf Tutorial
Jon Dugan <>
Summer JointTechs 2010, Columbus, OH
Converting image pdf to text - Convert PDF to txt files in, ASP.NET MVC, WinForms, WPF application
C# PDF to Text (TXT) Converting Library to Convert PDF to Text
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Converting image pdf to text - VB.NET PDF Convert to Text SDK: Convert PDF to txt files in, ASP.NET MVC, WinForms, WPF application
VB.NET Guide and Sample Codes to Convert PDF to Text in .NET Project
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What are we measuring?
TCP Measurements
UDP Measurements
Useful tricks
Iperf Development
VB.NET PDF Converter Library SDK to convert PDF to other file
This guide give a series of demo code directly for converting MicroSoft Office which users may quickly render and convert TIFF image file to PDF document.
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C# PDF Converter Library SDK to convert PDF to other file formats
NET SDK library and components for converting PDF file in convert PDF to various document and image file formats Allow users to convert PDF to Text (TXT) file.
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What are we measuring?
VB.NET Image: Tutorial for Converting Image and Document in VB.NET
VB.NET Project for Converting Image to Byte Array, Convert Word to Image in VB.NET Application. Use VB.NET Code to Convert Image to Stream, PDF to Image
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C# PDF Convert to Word SDK: Convert PDF to Word library in
watermark and save PDF text, image, table, hyperlink and bookmark to Word without losing format. Powerful components for batch converting PDF documents in C#
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Throughput?  Bandwidth?  What?
he term “throughput” is vague
• Capacity: link speed
Narrow Link: link with the lowest capacity along a path
Capacity of the end-to-end path = capacity of the narrow link
• Utilized bandwidth: current traffic load
• Available bandwidth: capacity – utilized bandwidth
Tight Link: link with the least available bandwidth in a path
• Achievable bandwidth: includes protocol and host issues
45 Mbps
10 Mbps
100 Mbps
45 Mbps
Tight Link
(Shaded portion shows background traffic)
C# PDF Convert to HTML SDK: Convert PDF to html files in
source code for quick integration and converting PDF to HTML is a 100% clean .NET document image solution, which that are included in target PDF document file.
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C# PDF Convert to Tiff SDK: Convert PDF to tiff images in
If using x86, the platform target should be x86. C# programming sample for PDF to Tiff image converting. // Load a PDF file. String
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Iperf data flow
Client is the sender
(data source)
Server is the receiver
(data sink)
Iperf discards
the data
C# PDF Convert to Jpeg SDK: Convert PDF to JPEG images in
RasterEdge PDF to JPEG converting control SDK (XDoc.PDF for .NET) supports converting PDF document to JPEG image file in .NET developing platforms using simple
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VB.NET PDF Convert to Word SDK: Convert PDF to Word library in vb.
VB.NET PDF Converting DLLs for PDF-to-Word. This is an example for converting PDF to Word (.docx) file in VB.NET program. ' Load a PDF document.
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TCP Measurements
TCP Measurements
easures TCP Achievable Bandwidth
• Measurement includes the end system
• Sometimes called “memory-to-memory” tests
• Set expectations for well coded application
mits of what we can measure
• TCP hides details
• In hiding the details it can obscure what is causing errors
any things can limit TCP throughput
• Loss
• Congestion
• Buffer Starvation
• Out of order delivery
Example Iperf TCP Invocation
Server (receiver):
$ iperf -s
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
[  4] local port 5001 connected with port 60830
[  4]  0.0-10.0 sec  1.09 GBytes 
933 Mbits/sec
[  4] local port 5001 connected with port 60831
[  4]  0.0-10.0 sec  1.08 GBytes 
931 Mbits/sec
Client (sender):
$ iperf -c
Client connecting to, TCP port 5001
TCP window size:  129 KByte (default)
[  3] local port 60830 connected with port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.2 sec  1.09 GBytes 
913 Mbits/sec
TCP performance: window size
Use TCP auto tuning if possible
• Linux 2.6, Mac OS X 10.5, FreeBSD 7.x, and Windows Vista
The –w option for Iperf can be used to request a particular buffer size.
• Use this if your OS doesn’t have TCP auto tuning
• This sets both send and receive buffer size.
• The OS may need to be tweaked to allow buffers of sufficient size.
• See 
for more details
Parallel transfers may help as well, the –P option can be used for this
To get full TCP performance the TCP window needs to be large 
enough to accommodate the Bandwidth Delay Product
TCP performance: 
Bandwidth Delay Product
The amount of “in flight” data allowed for a TCP connection
BDP = bandwidth * round trip time 
Example: 1Gb/s cross country, ~100ms
1,000,000,000 b/s * .1 s = 100,000,000 bits
100,000,000 / 8 =  12,500,000 bytes
12,500,000 bytes / (1024*1024)  ~ 12MB
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