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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>My experiments with xorp stats that cpu over-head
is one time in initialization. Well If you are bound even by memories <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>As well you can recompile while disabling
IPV6 and all loggings and further use only PIM and IGMP <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>(off course with fea, rib, fib2mrib and other
basic libs only) and remove all bgp, ospf, vrrp, rip, riping , static routes
from<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>/usr/lib (by manually delete all files or
remove them from scons build process) , lead you to have around 10-12 Mb <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Of package. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>-Saurabh<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> naresh raga
[mailto:naresh_raga@yahoo.co.in] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Sunday, June 27, 2010 12:18
AM<br>
<b><span style='font-weight:bold'>To:</span></b> greearb@candelatech.com;
saurabh.pandya@elitecore.com<br>
<b><span style='font-weight:bold'>Cc:</span></b> xorp-users@xorp.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Need suggestion about
Embedded platform requirments.</span></font><o:p></o:p></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Hello Ben and Surabh,<br>
I am also working to port xorp onto Embedded platform(arm-based).I have seen
all your conversations in the mailing list.You have worked a lot in reducing
the memory footprint of xorp.I am worried about the CPU requirements.<br>
I have observed while starting xorp using
./xorp_rtrmgr with a small boot file having interfaces and fea enabled is
more CPU resource intensive.Using top I have observed CPU and memory
requirements (peak values) as:<br>
Process
%CPU %MEM<br>
xorp_rtrmgr
6
0.3<br>
xorp_fea
4
0.2<br>
<br>
These values are for xorp-1.7 built with optimization(compiler flags used-Os
) and the build size in /usr/local/xorp is around 21MB after stripping the
binaries.My systems had two CPUs each of 3.00GHz and RAM is 1.9GB.So on
calculating 10% of 6.00GHz=600MHz (nearly) is the CPU needed to start xorp
with such a small configuration.Are there ways in reducing CPU .<br>
<br>
I need suggestion what could be the minimum CPU and RAM requirement for
complete xorp to work on embedded target.Or<br>
Quagga(unicast)+Xorp(multicast):For this combination what could be the CPU
and RAM requirements of an embedded target to work.<br>
I think saurabh can come up with a good reply for the latter case as he is
working on this combination on embedded platform.<br>
<br>
Thanks for your work and support,<br>
T Raga Naresh<br>
<br>
<br>
<br>
<o:p></o:p></span></font></p>
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