Performance Light Framework page and R/3 transactions

Hello,
I have a customer running an enterprise portal 6.0 containing basically R/3 transaction iViews.
Some of the users of this solution are using fairly low bandwidth and are complaining about performance problems.
My question is whether there is anything to gain from switching to the light framework page, or is the loading of the R/3 transaction the main bottleneck.
Has anyone made an estimate of the performance gains obtained by using the light framework page over the standard ones?
I have just found one such estimate on this forum, indicating a size improvement of almost a magnitude of 8 (100K vs 800K) (thread: portal performance optimization over low speed links)

Here is the text that explains the disappointing restriction in the release of External Facing Portal with KM in NW04s SP5 and NW04 SP14.
NOTE 709354 relevant snippet below>>>>>>>>>>>>>>>>>
Release with restrictions
Knowledge Management in external facing portals
Knowledge Management is released in a restricted way for scenarios where the external facing portal capabilities of NW'04 SP 14 are used (i.e. reducing the network load by using the 'light framework page' concept of the portal): - KM iViews will work within the light framework page without erros. However, the network load will not be decreased since the navigation within the KM iViews requires the full range of scripts to be downloaded from the portal. - Browser Back/Forward navigation within KM will not work in all cases - Indexing of KM content by external search engines (Google, etc.) will not work on all content In addition, the general usage of KM in scenarios where untrusted (e.g. with a self-registered user ID) or anonymous users are accessing an external facing portal is recommended in a restricted way only to avoid upload of malicious files or code (e.g. disable file upload or discussion forum entries). This recommendation is true even if the 'light framework page' concept of NW'04 SP14 is NOT used. For more information on how to enable KM (and Collaboration) for anonymous users, please refer to the following notes. SAP NetWeaver '04 SP11 and below: Note 728106. SAP NetWeaver '04 SP12 and higher: Note 837898.
( Changed at 23.12.2005 )

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Rocky,
This thread might give you a lead.
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Sravanth wrote:
Hi All,
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Edited by: Frank Torst on May 8, 2008 12:06 PM

Question timed out and closed

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EFP: Working with the New Taglibs - Part 2
EFP: Working with the new Taglibs - Part 3
Nuts and Bolts of the External Facing Portal (EFP)
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try the link below:-
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If you look at the servlet translated from a JSP, you'll see these lines:
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https://service.sap.com/sap/support/notes/916545
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=====================================================================
IV RESTRICTIONS
=====================================================================
Unsupported Content: SAP business packages and applications that use the EPCM's WorkProtect Mode feature may not work properly when using the light framework page. (e.g. Web Dynpro based applications of the portal administration UI or custom build applications.)
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Stefan

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http://help.sap.com/saphelp_nw04/helpdata/en/b4/771158e4cb4bf6af9974380948db86/frameset.htm
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Hi,
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Performance Light Framework page and R/3 transactions

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