Copyright © 2014  NTT Corp. All Rights Reserved. 
Virtual switching technologies 
and Linux bridge 
Toshiaki Makita 
NTT Open Source Software Center 
.Pdf printing in thumbnail size - Compress reduce PDF size in C#.net, ASP.NET, MVC, Ajax, WinForms, WPF
C# Code & .NET API to Compress & Decompress PDF Document
change font size in pdf text box; change font size pdf form reader
.Pdf printing in thumbnail size - VB.NET PDF File Compress Library: Compress reduce PDF size in vb.net, ASP.NET, MVC, Ajax, WinForms, WPF
VB.NET PDF Document Compression and Decompression Control SDK
change font size pdf; pdf edit text size
Copyright © 2014  NTT Corp. All Rights Reserved. 
Virtual switching technologies in Linux 
•Software switches (bridges) in Linux 
•Switching technologies for KVM environment 
•Performance of switches 
•Userland APIs and commands for bridge 
Introduction to Recent features of bridge (and 
others) 
•FDB manipulation 
•VLAN filtering 
•Learning/flooding control 
Features under development 
•802.1ad (Q-in-Q) support for bridge 
•Non-promiscuous bridge 
Today's topics 
Create Thumbnail Winforms | Online Tutorials
For information about saving & printing images in Create Thumbnail; Generate Barcodes on Your Documents; Read Processing; RasterEdge OCR Engine; PDF Reading; Encode
change font size in pdf; best way to compress pdf files
VB.NET Image: Visual Basic .NET Guide to Draw Text on Image in .
can adjust the text font, font size, font type System.IO Imports System.Drawing.Printing Imports RasterEdge & profession imaging controls, PDF document, image
pdf change page size; pdf text box font size
Copyright © 2014  NTT Corp. All Rights Reserved. 
Linux kernel engineer at NTT Open Source 
Software Center 
Technical support for NTT group companies 
Active patch submitter on kernel networking 
subsystem 
•bridge, etc. 
Who is Toshiaki Makita? 
XImage.Raster for .NET, Comprehensive .NET RasterImage SDK
resolution printing; More about Image Saving & Printing Create thumbnail directly in image. provide powerful & profession imaging controls, PDF document, image
best way to compress pdf file; change file size of pdf
VB.NET Image: How to Create Visual Basic .NET Windows Image Viewer
image, rotating and flipping an image, printing & saving including png, jpeg, gif, tiff, bmp, PDF, and Word You can accurately define the size and location of
change paper size in pdf document; change paper size pdf
Copyright © 2014  NTT Corp. All Rights Reserved. 
Linux has 3 types of software switches 
•bridge 
•macvlan 
•Open vSwitch 
Software switches in Linux 
VB.NET Image: How to Draw Annotation on Doc Images with Image SDK
and bmp) or documents (like multi-page TIFF, Microsoft Office Word and PDF file You can freely control the annotation shapes, the outline size (width and height
pdf file size; can a pdf be compressed
VB.NET Image: VB.NET Code to Create Watermark on Images in .NET
font type "Times New Roman", size "16", and style System.IO Imports System.Drawing. Printing Imports RasterEdge & profession imaging controls, PDF document, tiff
change font size fillable pdf; 300 dpi pdf file size
Copyright © 2014  NTT Corp. All Rights Reserved. 
kernel 
HW switch like device (IEEE 802.1D) 
•Has FDB (Forwarding DB), STP (Spanning tree), etc. 
•Using promiscuous mode that allows to receive all packets 
• Common NIC filters unicast whose dst is not its mac address 
without promiscuous mode 
• Many NICs also filter multicast / vlan-tagged packets by default 
bridge 
eth0 
TCP/IP 
kernel 
eth0 
TCP/IP 
bridge 
eth1 
handler hook 
pass to 
upper layer 
promiscuous 
mode 
without bridge 
with bridge 
br0 
if dst mac is bridge device 
promiscuous 
mode 
C# Image: How to Draw Text on Images within Rasteredge .NET Image
such as adjusting text font size, color, style and System.IO; using System.Drawing. Printing; using RasterEdge & profession imaging controls, PDF document, tiff
change font size pdf fillable form; pdf markup text size
VB.NET Image: How to Create New Images Using VB.NET Codes in .NET
the complete VB.NET sample codes for printing a high settings like image color and size according to powerful & profession imaging controls, PDF document, tiff
adjust pdf page size; pdf form change font size
Copyright © 2014  NTT Corp. All Rights Reserved. 
VLAN using not 802.1Q tag but mac address 
4 types of mode 
•private 
•vepa 
•bridge 
•passthru 
Using unicast 
filtering if supported, 
instead of promiscuous 
mode 
(except for passthru) 
•Unicast filtering allows 
NIC to receive multiple 
mac addresses 
macvlan 
kernel 
eth0 
macvlan0 
macvlan1 
MAC address A MAC address B 
macvlan 
handler hook 
unicast filtering 
VB.NET Image: Web Image and Document Viewer Creation & Design
document pages with zero footprint and thumbnail preview support Basic project is capable of printing current image toolkit to print bitonal images, PDF, and so
change font size in pdf text box; change page size pdf
VB.NET Image: Compress & Decompress Document Image; RasterEdge .
System.IO Imports System.Drawing.Printing Imports RasterEdge decompressing: reduce Word document size according to Scanned PDF encoding and decoding: compress a
reduce pdf file size; pdf file size limit
Copyright © 2014  NTT Corp. All Rights Reserved. 
External GW 
vlan device like 
behavior 
Not a bridge 
Prohibit inter-
macvlan traffic 
(except for those  
via external GW) 
macvlan (private mode) 
kernel 
eth0 
macvlan0 
macvlan1 
MAC address A MAC address B 
macvlan 
External SW 
Copyright © 2014  NTT Corp. All Rights Reserved. 
Similar to private 
mode 
Allow traffic 
between macvlans 
(via external SW) 
macvlan (vepa mode) 
kernel 
eth0 
macvlan0 
macvlan1 
MAC address A MAC address B 
macvlan 
External SW 
Copyright © 2014  NTT Corp. All Rights Reserved. 
Light weight bridge 
•No source learning 
•No STP 
•Only one uplink 
Allow traffic 
between macvlans 
(via macvlan stack) 
macvlan (bridge mode) 
kernel 
eth0 
macvlan0 
macvlan1 
MAC address A MAC address B 
macvlan 
External SW 
10 
Copyright © 2014  NTT Corp. All Rights Reserved. 
Allow only one macvlan 
device 
Used for VM (as macvtap) 
Promiscuous 
•allow VM to use any mac 
address / vlan device 
macvlan (passthru mode) 
kernel 
eth0 
macvlan0 
MAC address A 
macvlan 
External SW 
promiscuous 
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