[ns] Diffserv Model for NS 2.1b5 available from Nortel Networks Open I P
Environment Group
Peter Pieda
ppieda@nortelnetworks.com
Sun, 23 Jul 2000 14:25:45 -0500
This message is in MIME format. Since your mail reader does not understand
this format, some or all of this message may not be legible.
------_=_NextPart_001_01BFF4DB.CCAF7810
Content-Type: text/plain
The Open IP Environment group at Nortel Networks is releasing the
Diffserv NS model that it has used for much of its Diffserv simulation
work over the last 2 years. The model files and some documentation
are available from http://www7.nortel.com:8080/CTL/.
The current version is compatible with the 2.1b5 release of NS.
This model follows the Diffserv architecture in that a node can have
Edge or Core capabilities. This Diffserv model includes many of the
popular PHBs, Meters, and Policers available at the IETF today. It
offers rudimentary classification capability.
The model has been found to provide suitably similar results in
comparison with real world Diffserv products. Many of the results from
some of our recent Diffserv-related papers were obtained using this
model.
The Model has the following capabilities:
- Per Hop Behaviors (PHB):
* Assured Forwarding,
* Expedited Forwarding.
- Meters/Policers:
* TSW 2 Color Marker (TSW2CM)
* TSW 3 Color Marker (TSW3CM),
* Single Rate 3CM (srTCM),
* Two Rate 3CM (trTCM),
* 2 Color Token Bucket.
- Active Queue Management (AQM):
* RIO-Coupled
* RIO-Decoupled,
* WRED.
- Schedulers:
* WRR,
* WIRR
* RR.
Peter Pieda
613-765-3999
Nortel Networks
------_=_NextPart_001_01BFF4DB.CCAF7810
Content-Type: text/html
Content-Transfer-Encoding: quoted-printable
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
<HTML>
<HEAD>
<META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
charset=3Dus-ascii">
<META NAME=3D"Generator" CONTENT=3D"MS Exchange Server version =
5.5.2652.35">
<TITLE>Diffserv Model for NS 2.1b5 available from Nortel Networks Open =
IP Environment Group</TITLE>
</HEAD>
<BODY>
<P><FONT SIZE=3D2 FACE=3D"Arial">The Open IP Environment group at =
Nortel Networks is releasing the </FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Diffserv NS model that it has used =
for much of its Diffserv simulation </FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">work over the last 2 years. The =
model files and some documentation </FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">are available from<U> =
</U></FONT><U><FONT COLOR=3D"#0000FF" SIZE=3D2 FACE=3D"Arial"><A =
HREF=3D"http://www7.nortel.com:8080/CTL/" =
TARGET=3D"_blank">http://www7.nortel.com:8080/CTL/</A></FONT></U><FONT =
SIZE=3D2 FACE=3D"Arial">.</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">The current version is compatible =
with the 2.1b5 release of NS. </FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">This model follows the Diffserv =
architecture in that a node can have </FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Edge or Core capabilities. This =
Diffserv model includes many of the</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">popular PHBs, Meters, and Policers =
available at the IETF today. It </FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">offers rudimentary classification =
capability.</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">The model has been found to provide =
suitably similar results in </FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">comparison with real world Diffserv =
products. Many of the results from</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">some of our recent Diffserv-related =
papers were obtained using this </FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">model.</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">The Model has the following =
capabilities: </FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial"> - Per Hop =
Behaviors (PHB): </FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * Assured =
Forwarding, </FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * Expedited =
Forwarding. </FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial"> - Meters/Policers: =
</FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * TSW 2 Color =
Marker (TSW2CM)</FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * TSW 3 Color =
Marker (TSW3CM), </FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * Single Rate =
3CM (srTCM), </FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * Two Rate =
3CM (trTCM), </FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * 2 Color =
Token Bucket. </FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial"> - Active Queue =
Management (AQM): </FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * =
RIO-Coupled</FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * =
RIO-Decoupled,</FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * WRED. =
</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial"> - Schedulers: =
</FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * WRR, =
</FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * WIRR</FONT>
<BR><FONT SIZE=3D2 =
FACE=3D"Arial"> * RR. </FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">Peter Pieda</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">613-765-3999</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Nortel Networks</FONT>
</P>
</BODY>
</HTML>
------_=_NextPart_001_01BFF4DB.CCAF7810--