Pastebin

Index: discussion.tex
===================================================================
--- discussion.tex	(revision 2383)
+++ discussion.tex	(working copy)
@@ -1,6 +1,5 @@
 \chapter{Discussion}
 \label{ch:discussion}
- \fixme{Discussion is to be written}
 
 \fixme{Husk at introducere navngivning MetaConfig/MetaResource}
 
@@ -69,8 +68,13 @@
 as simple as possible, so that only the server is tasked with making
 decisions about virtual machines.
 
-\fixme{I ovenstående mangler både omtale af vm allocator samt
-bootstrap-understøttelse.}
+We have designed and implemented an allocation algorithm that places
+unallocated virtual machines on physical machines, in a way that fits
+the available resources on the physical machines. To support new
+machines, and machines with corrupted software, we have created a
+bootstrap system for automated installation of machines. The bootstrap
+system is able to install both physical and virtual machines, and use
+MetaConfig to configure the machines after installation.
 
 We believe that we have succeeded in creating a system that fulfills both
 primary and secondary goals. In the following, we will discuss the details of
@@ -139,11 +143,7 @@
 with Puppet and Cfengine on equal terms.
 
 Beyond this thesis, there is no documentation for the system such as
-reference manuals or tutorials. 
-It is not as well-tested, either. 
-\fixme{Jeg ville nok stryge ``It is not as well-tested, either.'' Det er
-underforstået, når det er et nyudviklet system. Og vores system er ikke
-specielt dårligt testet. Tværtimod.}
+reference manuals or tutorials.
 Error messages and warnings are not as user-friendly as they
 could be, and many error conditions are handled by exiting the program
 with a fatal error. This kind of error handling is fine for a prototype
@@ -161,17 +161,18 @@
 we have seen in chapter \ref{ch:cmsingle}, conserving the
 configuration program on the configured host is very important to
 ensure the correctness of the specification. MetaConfig is interpreted
-by the Python environment present on the host. 
-This means that a
-Python upgrade executed by MetaConfig can cause MetaConfig to fail. To
-guard against this type of situation, Cfengine is available in a
+by the Python environment present on the host.
+This means that if MetaConfig upgrades the Python package available
+on the host system, and the upgraded package contains an error, this can
+affect the operation of MetaConfig making it unable to repair itself.
+To guard against this type of situation, Cfengine is available in a
 statically-linked version. This has the advantage of only being
-vulnerable to problems with the kernel, or accidental modification to
+vulnerable to problems related to the kernel, and modification to
 the program file itself. Both are much less likely than an inadvertent
 semantic change in a user-space library or interpreter.
 
-\fixme{Teksten fra ``This means that a Python upgrade...'' og frem hertil må
-kunne skrives mere tydeligt. Jeg er ikke engang sikker på, hvad der menes.}
+%\fixme{Teksten fra ``This means that a Python upgrade...'' og frem hertil må
+%kunne skrives mere tydeligt. Jeg er ikke engang sikker på, hvad der menes.}
 
 Our specification language has turned out to be very similar to the
 Puppet specification language, as both are reasonably compact
@@ -390,6 +391,8 @@
 
 \section{Future work}
 
+The configuration system we have made 
+
 \vspace{2cm} \noindent\colorbox{Red}{Hic sunt dracones (notes)} \hrule \vspace{2cm}
 
 We have implemented these language so that they