Janki Chhatbar | 26 Mar 07:16 2015
Picon

CPqD switch not attaching to host

Hi all

I am running CPqD switch on bare metal machine with Ubuntu 14.04 machine. I created 2 tap interfaces on the machine

tunctl -u root -t h1

tunctl -u root -t h2.

I attached these interfaces to switch (127.0.0.1:6680) and connected it to ODL controller (10.107.x.y:6653) running on the same bare machine. I created 2 VMs each with NAT, host-Only and Bridged adaptor. Configured bridged adaptors with IPs 10.0.0.1 (VM1) and 10.0.0.2 (VM2). No VMs cvan ping each other (Destination Host Not Reachable). Though I can see only VM2 attached to switch in dlux. How do I solve this?

P.S. I also tried assigning IPs 127.0.0.2 and 127.0.0.3, 10.107.a.b and 10.107.c.d to VMs. NO success.

Janki Chhatbar
M.Tech (Embedded Systems)
Nirma University
(+91) 9409239106
<div><div dir="ltr">
<div class="">
      <div class="">
          <p>Hi all</p>

<p>I am running CPqD switch on bare metal machine with Ubuntu 14.04 
machine. I created 2 tap interfaces on the machine <br></p>
<p>tunctl -u root -t 
h1 <br></p>
<p>tunctl -u root -t h2. <br></p>
<p>I attached these interfaces to switch 
(<a href="http://127.0.0.1:6680">127.0.0.1:6680</a>) and connected it to ODL controller (10.107.x.y:6653) 
running on the same bare machine. I created 2 VMs each with NAT, 
host-Only and Bridged adaptor.  Configured bridged adaptors with IPs 
10.0.0.1 (VM1) and 10.0.0.2 (VM2). No VMs cvan ping each other 
(Destination Host Not Reachable). Though I can see only VM2 attached to 
switch in dlux. How do I solve this?</p>

<p>P.S. I also tried assigning IPs 127.0.0.2 and 127.0.0.3, 10.107.a.b and 10.107.c.d to VMs. NO success.</p>
      </div>
    </div>
<div><div class="gmail_signature"><div dir="ltr">
<div>
<div>
<div>Janki Chhatbar<br>
</div>M.Tech (Embedded Systems)<br>
</div>Nirma University<br>
</div>(+91) 9409239106<br>
</div></div></div>
</div></div>
Janki Chhatbar | 25 Mar 06:06 2015
Picon

CPqD switch

Hi All

I am trying to connect 2 VMs to a CPqD switch running on bare metal machine. The ODL controller is also running on the same machine. The procedure I followed and the error received are described below.

I created 2 tap interfaces in the machine, h1 and h2.

tunctl -u root -t h1

tunctl -u root -t h2


Connected them to switch and connected switch to ODL. Switch and ODL are running on the same bare metal machine.

sudo udatapath/ofdatapath --datapath-id=000000000002 --interfaces=h1,h2 ptcp:6680

secchan/ofprotocol tcp:a.b.c.d:6680 tcp:a.b.c.d:6653

I created 2 VMs each with bridge adapters. One connected to h1 and other to h2. I canot see the VMs in dlux nor the VMs can ping each other. On switch's console, it says

Mar 23 15:27:24|00013|dp_acts|WARN|can't directly forward to input port.


Janki Chhatbar
M.Tech (Embedded Systems)
Nirma University
(+91) 9409239106
<div><div dir="ltr">
<div>Hi All<br><br>
</div>I am trying to connect 2 VMs to a CPqD switch running on bare metal machine. The ODL controller is also running on the same machine. The procedure I followed and the error received are described below.<br><br><p>I created 2 tap
interfaces in the machine, h1 and h2. 
</p>

<p>    tunctl -u root
-t h1</p>
<p>    tunctl -u root
-t h2</p>
<p><br></p>Connected them to
switch and connected switch to ODL. Switch and ODL are running on the
same bare metal machine.

<p>    sudo
udatapath/ofdatapath --datapath-id=000000000002 --interfaces=h1,h2
ptcp:6680 
</p>
<p>   
secchan/ofprotocol tcp:a.b.c.d:6680 tcp:a.b.c.d:6653 
</p>

<p> I created 2 VMs
each with bridge adapters. One connected to h1 and other to h2. I
canot see the VMs in dlux nor the VMs can ping each other. On
switch's console, it says</p>

<p>    Mar 23
15:27:24|00013|dp_acts|WARN|can't directly forward to input port.</p>

<br clear="all"><div><div>
<div><div class="gmail_signature"><div dir="ltr">
<div>
<div>
<div>Janki Chhatbar<br>
</div>M.Tech (Embedded Systems)<br>
</div>Nirma University<br>
</div>(+91) 9409239106<br>
</div></div></div>
</div></div>
</div></div>
Mr prakash Patel | 20 Mar 17:44 2015
Picon

SDN based load balancing

Hello all

Can anybody have idea to implement SDN agent based load balancing?

I want to get the server load information by agent installed on server and give it to the SDN pox controller which will decide the further load distribution to the one of the server. If anyone have idea for this then share with me or if you have code then send me.



--
Prof. Prakash Patel
Asst. Professor in Computer Engg.
Nirma University
Cell:9825555327
 
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<div><div dir="ltr">Hello all<div><br></div>
<div>Can anybody have idea to implement SDN agent based load balancing?</div>
<div><br></div>
<div>I want to get the server load information by agent installed on server and give it to the SDN pox controller which will decide the further load distribution to the one of the server. If anyone have idea for this then share with me or if you have code then send me.</div>
<div><br></div>
<div>
<br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr">
<div>Prof. Prakash Patel<br>Asst. Professor in Computer Engg.<br>Nirma University<br>Cell:9825555327</div>
<div>&nbsp;</div>
<div>
<span lang="EN-GB">CONFIDENTIALITY  NOTICE</span><p> </p>
<p>This communication (including <span lang="EN-GB">any attachment/s)</span> is intended only for the use of the  addressee(s) and contains information that is PRIVILEGED AND CONFIDENTIAL.  Unauthorized reading, dissemination, distribution, or copying of this  communication is prohibited.</p>
<br>------------------------------------------------------------------------------------------------------------<br><p><br></p>
<p>DISCLAIMER</p>
<p>Any views or opinions presented in this  email are solely those of the author and do not necessarily represent those of  the University. </p>
<p><br></p>
<p>-----------------------------------------------------------------------------------------------------------</p>
<p><br></p>
<p>WARNING: This communication,  including any attachments, may not be free of viruses, interceptions or  interference, and may not be compatible with your systems. You should carry out  your own virus checks before opening any attachment to this e-mail. The sender  of this e-mail and Nirma University shall not be liable for any damage that you  may sustain as a result of viruses, incompleteness of this message, a delay in  receipt of this message or computer problems  experienced.</p>
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</div>
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Jose Bonifacio | 20 Mar 17:34 2015
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QOS BANDWIDTH METER

Hi,

Sorry to bother you.
I have CPqd 1.3 Switch connected to a open daylight controller.
I'm providing internet to that switch and have too connect two hosts.
Well i have accomplished to insert meters in the flows to the hosts individually, by using drop type meters.
But now i want to use drop when exceeding the rate as i did and want to for example that host1 have priority in traffic on host2, and i think i have to use dscp remark meters.

The scenario is this....

Let's imagine i have a isp connection of a bandwidth of 50Mb's and host 1 have a meter drop of 30 Mb's and host 2 -- drop of 20 Mb's.
But well, imagining in a bad day of internet and i just receive in total in my switch arround 40 Mb's, i would want that host 1 keeps receiving 30 Mb's, and host 2 gets the the rest.

I've been working with dscp remark but can't get it it to put it work like i want.

If someone can help me that would be good.
Thanks a lot

<div><div dir="ltr">Hi,<div><br></div>
<div>Sorry to bother you.</div>
<div>I have CPqd 1.3 Switch connected to a open daylight controller.</div>
<div>I'm providing internet to that switch and have too connect two hosts.</div>
<div>Well i have accomplished to insert meters in the flows to the hosts individually, by using drop type meters.</div>
<div>But now i want to use drop when exceeding the rate as i did and want to for example that host1 have priority in traffic on host2, and i think i have to use dscp remark meters.</div>
<div><br></div>
<div>The scenario is this....</div>
<div><br></div>
<div>Let's imagine i have a isp connection of a bandwidth of 50Mb's and host 1 have a meter drop of 30 Mb's and host 2 -- drop of 20 Mb's.</div>
<div>But well, imagining in a bad day of internet and i just receive in total in my switch arround 40 Mb's, i would want that host 1 keeps receiving 30 Mb's, and host 2 gets the the rest.</div>
<div><br></div>
<div>I've been working with dscp remark but can't get it it to put it work like i want.</div>
<div><br></div>
<div>If someone can help me that would be good.</div>
<div>Thanks a lot</div>
<div><br></div>
</div></div>
Janki Chhatbar | 20 Mar 11:32 2015
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Attach hosts to CPqD

Hi

I am new to CPqD. I want to create a network a network with switch connected to ODL and 2 hosts. Both switch and ODL are installed on same machine (say its ip is a.b.c.d). I want to connect 2 machines to this switch. I started the switch.

sudo ip link add link ethX address 00:19:d1:29:d2:58 macvlan0 type macvlan
sudo udatapath/ofdatapath --datapath-id=000000000002 --interfaces=macvlan0 ptcp:6680 & secchan/ofprotocol tcp:a.b.c.d:6680 tcp:a.b.c.d:6653 & After this in dlux, I see 1 switch with many hosts. in "Nodes" section of dlux, node connectors shown are 2, flows are 3.

1. Why are there so many hosts?

2. I have stopped the switch and even after that I can see it in dlux.

3. How do I attach ports and interfaces on the siwtch so that I can attach physical computer to it?

Janki Chhatbar
M.Tech (Embedded Systems)
Nirma University
(+91) 9409239106
<div><div dir="ltr">
<div>
<div>
<div>
<div>Hi <br><br>
</div>I am new to CPqD. I want to create a network a network with switch connected to ODL and 2 hosts. Both switch and ODL are installed on same machine (say its ip is a.b.c.d). I want to connect 2 machines to this switch. I started the switch.<br><br>sudo ip link add link ethX address 00:19:d1:29:d2:58 macvlan0 type macvlan<br>sudo udatapath/ofdatapath --datapath-id=000000000002 --interfaces=macvlan0 ptcp:6680 &amp; 
secchan/ofprotocol tcp:a.b.c.d:6680 tcp:a.b.c.d:6653 &amp; 

After this in dlux, I see 1 switch with many hosts. in "Nodes" section of dlux, node connectors shown are 2, flows are 3.<br><br>
</div>1. Why are there so many hosts? <br><br>
</div>2. I have stopped the switch and even after that I can see it in dlux.<br><br>
</div>3. How do I attach ports and interfaces on the siwtch so that I can attach physical computer to it?<br><div>
<br clear="all"><div><div><div><div><div>
<div><div class="gmail_signature"><div dir="ltr">
<div>
<div>
<div>Janki Chhatbar<br>
</div>M.Tech (Embedded Systems)<br>
</div>Nirma University<br>
</div>(+91) 9409239106<br>
</div></div></div>
</div></div></div></div></div>
</div>
</div></div>
Ruchika Luthra | 18 Mar 15:38 2015

Custom Packet creation in Ryu controller

Hello,

I want to create a custom packet(by specifying all the protocol header and specific payload) in ryu controller and push it to down to soft switch. Is it doable? If yes, what steps should I follow?

Thank you

Ruchika Luthra
<div><div dir="ltr">Hello,<div><br></div>
<div>I want to create a custom packet(by specifying all the protocol header and specific payload) in ryu controller and push it to down to soft switch. Is it doable? If yes, what steps should I follow?</div>
<div><br></div>
<div>Thank you<br clear="all"><div><br></div>
<div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Ruchika Luthra</div></div></div></div></div>
</div>
</div></div>
Ben Pfaff | 17 Mar 19:36 2015

Re: should openflow support table entries to be transfered?

[adding back the mailing list]

On Tue, Mar 17, 2015 at 09:47:43AM +0800, ???? wrote:
> Thx for the kind answer!
> >What would such a message do?  (Is it a message or an action?)
> Ah..., maybe it should be a table-mod like message
> 
> 
> >What is a transition between different tables?
> >What does "packed" mean?
> 
> 
> Foe example, an assumed message "Flow-Transition(src tid, dst tid)"  is received by a switch, then the
switch would transfer all the entries in table src into the dst table, naming the 'pack', and the previous
entries in dst table would be just, for simplicity, be packed for table 'dst tid + 1', just like the pipeline
being stretched.
> 
> 
> I think it would be really important when the matching sequence of each table is needed to change, or some
other mechanism in openflow could be used to solve the problem? 

I don't understand any of that, sorry.
Mr prakash Patel | 17 Mar 13:23 2015
Picon

Error during wireshark disector installation

The problem is:

In file included from /usr/include/glib-2.0/glib/galloca.h:32:0,
                 from /usr/include/glib-2.0/glib.h:30,
                 from packet-openflow.c:19:
/usr/include/glib-2.0/glib/gtypes.h:32:24: fatal error: glibconfig.h: No such file or directory
 #include <glibconfig.h>
                        ^
compilation terminated.
make: *** [packet-openflow.o] Error 1

Please provide me the solution.
--
Prof. Prakash Patel
Asst. Professor in Computer Engg.
Nirma University
Cell:9825555327
 
CONFIDENTIALITY NOTICE

This communication (including any attachment/s) is intended only for the use of the addressee(s) and contains information that is PRIVILEGED AND CONFIDENTIAL. Unauthorized reading, dissemination, distribution, or copying of this communication is prohibited.


------------------------------------------------------------------------------------------------------------


DISCLAIMER

Any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the University.


-----------------------------------------------------------------------------------------------------------


WARNING: This communication, including any attachments, may not be free of viruses, interceptions or interference, and may not be compatible with your systems. You should carry out your own virus checks before opening any attachment to this e-mail. The sender of this e-mail and Nirma University shall not be liable for any damage that you may sustain as a result of viruses, incompleteness of this message, a delay in receipt of this message or computer problems experienced.

<div><div dir="ltr">The problem is:<br><div>
<br>In file included from /usr/include/glib-2.0/glib/galloca.h:32:0,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; from /usr/include/glib-2.0/glib.h:30,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; from packet-openflow.c:19:<br>/usr/include/glib-2.0/glib/gtypes.h:32:24: fatal error: glibconfig.h: No such file or directory<br>&nbsp;#include &lt;glibconfig.h&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ^<br>compilation terminated.<br>make: *** [packet-openflow.o] Error 1<br clear="all"><br>
</div>
<div>Please provide me the solution.<br>
</div>
<div>-- <br><div class="gmail_signature"><div dir="ltr">
<div>Prof. Prakash Patel<br>Asst. Professor in Computer Engg.<br>Nirma University<br>Cell:9825555327</div>
<div>&nbsp;</div>
<div>
<span lang="EN-GB">CONFIDENTIALITY  NOTICE</span><p> </p>
<p>This communication (including <span lang="EN-GB">any attachment/s)</span> is intended only for the use of the  addressee(s) and contains information that is PRIVILEGED AND CONFIDENTIAL.  Unauthorized reading, dissemination, distribution, or copying of this  communication is prohibited.</p>
<br>------------------------------------------------------------------------------------------------------------<br><p><br></p>
<p>DISCLAIMER</p>
<p>Any views or opinions presented in this  email are solely those of the author and do not necessarily represent those of  the University. </p>
<p><br></p>
<p>-----------------------------------------------------------------------------------------------------------</p>
<p><br></p>
<p>WARNING: This communication,  including any attachments, may not be free of viruses, interceptions or  interference, and may not be compatible with your systems. You should carry out  your own virus checks before opening any attachment to this e-mail. The sender  of this e-mail and Nirma University shall not be liable for any damage that you  may sustain as a result of viruses, incompleteness of this message, a delay in  receipt of this message or computer problems  experienced.</p>
</div>
</div></div>
</div>
</div></div>
Tim Nelson | 16 Mar 21:07 2015

Final Call For Talk Abstracts for ONUG Research Track (Deadline March 21)

Apologies to those who have received multiple copies of this call.

The Open Networking User Group's Spring meeting will be held this year at
Columbia University in New York City. The research track is soliciting 1-2
page talk abstracts on Open Networking research, with special interest
in SDN and NFV.


Overview
--------------

The Open Networking movement promises to free network operators from locked,
proprietary hardware and software through a suite of technologies such as
Software-Defined Networking (SDN), Network-Function Virtualization (NFV),
network underlays and overlays, and programmable devices. The Open Networking
User Group (ONUG) is an association of industry leaders dedicated to fostering
open networking adoption in the wider community. The ONUG Research Track,
co-located with ONUG's Spring meeting, provides a venue for dialogue between
researchers and practitioners. Submissions from both industry and academic
researchers are encouraged. Key topics of interest include, but are not limited to:

- Virtual Networks and Overlays
- Network Services Virtualization
- Traffic Measurement and Analytics
- Automatic Configuration Management
- Software-Defined WAN

Submissions should talk abstracts of up to 2 pages written in English,
submitted via this link:


Important Dates 
-----------------------
Submission deadline: March 21, 11:59pm EDT, 2015 
Notification: April 11, 2015
ONUG Spring Meeting: May 13-14

PC Chairs
--------------
Li Erran Li, Bell Labs, Alcatel-Lucent
Tim Nelson, Brown University

Program Committee
-----------------------------
Theophilus Benson, Duke 
Nathan Farrington, Rockley Photonics 
Andrew Ferguson, Google 
Rodrigo Fonseca, Brown University 
Yashar Gangali, University of Toronto
Monia Ghobadi, Microsoft Research
Shriram Krishnamurthi, Brown University
T.V. Lakshman, Bell Labs
Bryan Larish, U.S. Government
Nick Lippis, Lippis Enterprises
Z. Morley Mao, University of Michigan
Paul Mockapetris, Nominum
Bob Natale, MITRE
Vesko Pehilvanov, Credit Suisse
Dan Rubenstein, Columbia University 
Neal Secher, BNY Mellon
Vyas Sekar, Carnegie Mellon University
David Walker, Princeton University
Jia Wang, AT&T Research
Minlan Yu, University of Southern California
<div><div dir="ltr">
<div>Apologies to those who have received multiple copies of this call.</div>
<div><br></div>
<div>The Open Networking User Group's Spring meeting will be held this year at</div>
<div>Columbia University in New York City. The research track is soliciting 1-2</div>
<div>page talk abstracts on Open Networking research, with special interest</div>
<div>in SDN and NFV.</div>
<div><br></div>
<div><a href="http://www.cs.columbia.edu/~lierranli/ONUG2015spring/index.html">http://www.cs.columbia.edu/~lierranli/ONUG2015spring/index.html</a></div>
<div><br></div>
<div>Overview</div>
<div>--------------</div>
<div><br></div>
<div>The Open Networking movement promises to free network operators from locked,</div>
<div>proprietary hardware and software through a suite of technologies such as</div>
<div>Software-Defined Networking (SDN), Network-Function Virtualization (NFV),</div>
<div>network underlays and overlays, and programmable devices. The Open Networking</div>
<div>User Group (ONUG) is an association of industry leaders dedicated to fostering</div>
<div>open networking adoption in the wider community. The ONUG Research Track,</div>
<div>co-located with ONUG's Spring meeting, provides a venue for dialogue between</div>
<div>researchers and practitioners. Submissions from both industry and academic</div>
<div>researchers are encouraged. Key topics of interest include, but are not limited to:</div>
<div><br></div>
<div>- Virtual Networks and Overlays</div>
<div>- Network Services Virtualization</div>
<div>- Traffic Measurement and Analytics</div>
<div>- Automatic Configuration Management</div>
<div>- Software-Defined WAN</div>
<div><br></div>
<div>Submissions should talk abstracts of up to 2 pages written in English,</div>
<div>submitted via this link:</div>
<div><br></div>
<div><a href="https://www.easychair.org/conferences/?conf=onug2015">https://www.easychair.org/conferences/?conf=onug2015</a></div>
<div><br></div>
<div>Important Dates&nbsp;</div>
<div>-----------------------</div>
<div>Submission deadline: March 21, 11:59pm EDT, 2015&nbsp;</div>
<div>Notification: April 11, 2015</div>
<div>ONUG Spring Meeting: May 13-14</div>
<div><br></div>
<div>PC Chairs</div>
<div>--------------</div>
<div>Li Erran Li, Bell Labs, Alcatel-Lucent</div>
<div>Tim Nelson, Brown University</div>
<div><br></div>
<div>Program Committee</div>
<div>-----------------------------</div>
<div>Theophilus Benson, Duke&nbsp;</div>
<div>Nathan Farrington, Rockley Photonics&nbsp;</div>
<div>Andrew Ferguson, Google&nbsp;</div>
<div>Rodrigo Fonseca, Brown University&nbsp;</div>
<div>Yashar Gangali, University of Toronto</div>
<div>Monia Ghobadi, Microsoft Research</div>
<div>Shriram Krishnamurthi, Brown University</div>
<div>T.V. Lakshman, Bell Labs</div>
<div>Bryan Larish, U.S. Government</div>
<div>Nick Lippis, Lippis Enterprises</div>
<div>Z. Morley Mao, University of Michigan</div>
<div>Paul Mockapetris, Nominum</div>
<div>Bob Natale, MITRE</div>
<div>Vesko Pehilvanov, Credit Suisse</div>
<div>Dan Rubenstein, Columbia University&nbsp;</div>
<div>Neal Secher, BNY Mellon</div>
<div>Vyas Sekar, Carnegie Mellon University</div>
<div>David Walker, Princeton University</div>
<div>Jia Wang, AT&amp;T Research</div>
<div>Minlan Yu, University of Southern California</div>
</div></div>
张晨 | 16 Mar 09:15 2015

should openflow support table entries to be transfered?

hello, dear all!

i know that of 1.5 support table entries to be synchrounised, but should transition between different tables be supported? For example , before transition, table 0 for routing, table 1 for qos, and after transition, i wanna table 0 for input ACL, and thus all the previous routing entries in table 0 should be quickly packed for table 1, and qos entries packed for table 2. Is it be necessary for OpenFlow spec  to require switch to support an optional  "Flow-Transition(src tid, dst tid)" like message? Or FAWG has already tried this?

best wishes!








<div>
<div>
<div>
<div>
<div>
<div>hello, dear all!</div>
<div><br></div>
<div>i know that of 1.5 support table entries to be synchrounised, but should transition between different tables be supported? For example , before transition, table 0 for routing, table 1 for qos, and after transition, i wanna table 0 for input ACL, and thus all the previous routing entries in table 0 should be quickly packed for table 1, and qos entries packed for table 2. Is it be necessary for&nbsp;<span>OpenFlow spec</span><span>&nbsp; to&nbsp;</span><span>require switch to support an optional &nbsp;"Flow-Transition(src tid, dst tid)" like message? Or FAWG has already tried this?</span>
</div>
<div><span><br></span></div>
<div><span>best wishes!</span></div>
</div>
<br><br><span title="neteasefooter"><span></span></span>
</div>
<br><br><span title="neteasefooter"><span></span></span>
</div>
<br><br><span title="neteasefooter"><span></span></span>
</div>
<br><br><span title="neteasefooter"><span></span></span>
</div>
Izzat Alsmadi | 14 Mar 06:56 2015
Picon

How to define a topology for physical hosts

Mininet is used to define virtual hosts, how can we define physical hosts and topology in SDN is Mininet seems not to be proper for that ?


Thank you
Izzat Alsmadi


--
Sent from Gmail Mobile
<div>
<p>Mininet is used to define virtual hosts, how can we define physical hosts and topology in SDN is Mininet seems not to be proper for that ?</p>
<div><br></div>
<div>Thank you</div>
<div>Izzat Alsmadi<span></span>
</div>
<br><br>-- <br>Sent from Gmail Mobile<br>
</div>

Gmane