1.1 --- a/thesis/tex/2-MarketAnalysis.tex	Tue Feb 03 17:53:03 2009 +0100
     1.2 +++ b/thesis/tex/2-MarketAnalysis.tex	Tue Feb 03 18:01:33 2009 +0100
     1.3 @@ -23,7 +23,7 @@
     1.4  
     1.5  \person{Lenke} and \person{Schmitz} use the same criteria to classify \emph{new media} \cite{lenke95}. They additionally divide into local and remote communication---the latter is presumed here---and by the number of communication participants. A classification by participant structure is omitted here, as communication technologies for many-to-many communication (like chat rooms) are usable for one-to-one (private chat) too, and ones for one-to-one (email) are usable for many-to-many (mailing lists).
     1.6  
     1.7 -Figure \ref{fig:comm-classification} shows a classification of communication technologies by the properties synchronous/asynchronous and written/recorded. Email and \NAME{SMS} are examples for written and asynchronous communication; \NAME{IM} and chats are ones for written but synchronous communication. Voice mail and video messages stand as examples for recorded asynchronous communication. VoIP represents recorded synchronous communication.
     1.8 +Figure~\ref{fig:comm-classification} shows a classification of communication technologies by the properties synchronous/asynchronous and written/recorded. Email and \NAME{SMS} are examples for written and asynchronous communication; \NAME{IM} and chats are ones for written but synchronous communication. Voice mail and video messages stand as examples for recorded asynchronous communication. VoIP represents recorded synchronous communication.
     1.9  
    1.10  \begin{figure}
    1.11  	\begin{center}
    1.12 @@ -43,7 +43,7 @@
    1.13  \subsection{Life cycle analysis}
    1.14  Life cycle analysis are common for products but also for technologies. This one here is for electronic communication technologies. The first dimension regarded is the life time of the subject. It is segmented into the introduction, growth, mature, saturation, and decline phases. The second dimension can display market share, importance, or similar values. The graph has always an S-line shape, with a slow start, a rapidly increasing first half, the highest level in the fourth fifths, and a slowly declining end. Reaching the end of the life cycle means that the subject gets superseded by successors or the market situation changed thus it is old-fashioned.
    1.15  
    1.16 -The current position on the life cycle of some selected communication technologies is shown in figure \ref{fig:comm-lifecycle}. It is important to notice that the time dimension can be different for each technology---some life cycles are shorter than others---the shape of the graph, however, is the same.
    1.17 +The current position on the life cycle of some selected communication technologies is shown in figure~\ref{fig:comm-lifecycle}. It is important to notice that the time dimension can be different for each technology---some life cycles are shorter than others---the shape of the graph, however, is the same.
    1.18  
    1.19  \begin{figure}
    1.20  	\begin{center}
    1.21 @@ -57,7 +57,7 @@
    1.22  
    1.23  Email ranges in the saturation phase which is defined by a saturated market. No more products are needed: there is no more growth. This means, email is a technology which is used by everyone who want to use it. It is a standard technology. The current form of email in the current market is on the top of its life cycle. The future is decline, sooner or later.
    1.24  
    1.25 -But life cycles positions change as the subject or the market changes. An examples is the \name{Flash} animation software \citeweb{flash:homepage}. The product's change from a drawing and animation system to a technology for website creation, advertising, and movie distribution, and the thus changing target market, made it slip back on the life cycle. If the email system would evolve to become the basis for Unified Messaging (see section \ref{sec:unified-messaging}), a similar slip back would be the consequence.
    1.26 +But life cycles positions change as the subject or the market changes. An examples is the \name{Flash} animation software \citeweb{flash:homepage}. The product's change from a drawing and animation system to a technology for website creation, advertising, and movie distribution, and the thus changing target market, made it slip back on the life cycle. If the email system would evolve to become the basis for Unified Messaging (see section~\ref{sec:unified-messaging}), a similar slip back would be the consequence.
    1.27  
    1.28  The \NAME{DVD} standards \NAME{DVD+} and \NAME{DVD$-$} are an example for a changing market. With the upcoming next generation formats \name{Blu-ray Disc} \citeweb{wikipedia:bluray} and \NAME{HD-DVD} \citeweb{wikipedia:hddvd}, a much sooner decline of \NAME{DVD+} and \NAME{DVD$-$} started, even before they reached their last improvement steps in storage size. Such can happen to email too, if Unified Messaging is a revolution to the email system instead of an evolution.
    1.29  
    1.30 @@ -159,7 +159,7 @@
    1.31  
    1.32  The increasing integration of communication channels is an opportunity for the market. But deciding whether it is a weakness or strength of email is difficult. Due to the impossibility to integrate synchronous stream data and large binary data, it is a weakness. But it is also a strength, because arbitrary asynchronous communication data already can be integrated. On the other hand, the integration might be a threat too, because integration often leads to complexity of software. Complex software is more error prone and thus less reliable. This, however, could again be a strength of electronic mail because its modular design decreases complexity.
    1.33  
    1.34 -Figure \ref{fig:email-swot} displays the \NAME{SWOT} analysis in a handy overview. It is obvious to see, that the opportunities outweigh. This is an indicator for a still increasing market. %fixme: ref
    1.35 +Figure~\ref{fig:email-swot} displays the \NAME{SWOT} analysis in a handy overview. It is obvious to see, that the opportunities outweigh. This is an indicator for a still increasing market. %fixme: ref
    1.36  
    1.37  \begin{figure}
    1.38  	\begin{center}
    1.39 @@ -252,7 +252,7 @@
    1.40  When \MTA{}s become popular on home servers and maybe even on workstations and smart phones, then performance will be less important. Providers need \MTA{}s that process large amounts of mail in short time. There is no need for home servers and workstations to handle that much mail; they need to process far less email messages per time unit. Thus performance will probably not be a main requirement for an \MTA\ in future, given they mainly run on private machines.
    1.41  
    1.42  \paragraph{Flexibility}
    1.43 -New mailing concepts and architectures like push email or \name{Internet Mail 2000} will, if they succeed, require \MTA{}s to adopt the new technology. \MTA{}s that are not able to change are going to be sorted out by evolution. Thus it is important \emph{not} to focus too much on one use case, but to stay flexible. \person{Allman} saw the flexibility of \sendmail\ one reason for its huge success (see section \ref{sec:sendmail}).
    1.44 +New mailing concepts and architectures like push email or \name{Internet Mail 2000} will, if they succeed, require \MTA{}s to adopt the new technology. \MTA{}s that are not able to change are going to be sorted out by evolution. Thus it is important \emph{not} to focus too much on one use case, but to stay flexible. \person{Allman} saw the flexibility of \sendmail\ one reason for its huge success (see section~\ref{sec:sendmail}).
    1.45  
    1.46  \paragraph{Security}
    1.47  Another important requirement for all kinds of software is security. There is a constant trend coming from completely non-secured software, in the 70s and 80s, over growing security awareness, in the 90s, to security being a primary goal, now. This leads to the conclusion that software security will be even more important within the next years. As more clients get connected to the Internet and especially more computers are listening for incoming connections (like an \MTA\ in a home server), there are more possibilities to break into systems. Securing of software systems will require increasing effort in future.