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Diffstat (limited to 'report/chapters/2-lit-r.tex')
| -rw-r--r-- | report/chapters/2-lit-r.tex | 40 |
1 files changed, 19 insertions, 21 deletions
diff --git a/report/chapters/2-lit-r.tex b/report/chapters/2-lit-r.tex index 28e24c7..0cd52ea 100644 --- a/report/chapters/2-lit-r.tex +++ b/report/chapters/2-lit-r.tex @@ -15,7 +15,7 @@ publish/subscribe overlay paradigm and stores the content across multiple cloud storage providers such that only part of the content (in encrypted form) is stored on each file storage provider \cite{skycds}(Section \ref{2-skycds-sec}); and, lastly, -\verb+git-annex+, by Joey Hess\cite{person:joeyh}, that allows one to +\verb+git-annex+, by Joey Hess \cite{person:joeyh}, that allows one to version control and keep track of large files with a possibility of encrypting files that are stored in ``special remotes'' -- storage provided by Internet file storage providers (Section @@ -38,13 +38,13 @@ is stored in a SQLite database. Unlike combox, which depends the file storage provider' client to sync file fragments/shards to the file storage provider's data store, the Android application developed by Yeo et al. takes the responsibility to sync file fragments/shards to -each file storage provider and uses the OAuth -2.0\cite{protocol:oauth2} protocol for authorization. +each file storage provider and uses the OAuth 2.0 +\cite{protocol:oauth2} protocol for authorization. For encrypting file fragments, they use AES-256; the key for encrypting file fragments is derived from the user's password by using -Password-Based Key Derivation Function (PBKDF2)\cite{kaliski}. For -erasure coding they use the JigDFS library\cite{jigdfs}. The Android +Password-Based Key Derivation Function (PBKDF2) \cite{kaliski}. For +erasure coding they use the JigDFS library \cite{jigdfs}. The Android application is able do ``progressive streaming'' of media files; this means that large media files can be streamed in real-time from the from the file storage providers' data store; this is an attractive @@ -111,13 +111,12 @@ space and reliability. \section{git-annex}\label{2-gitannex-sec} \verb+git-annex+ allows one to version controlled large files that are -not usually feasible to version control under -\verb+git+\cite{program:git}. \verb+git-annex+ checks in the name and -other meta-data about the files in git and stores the actual content -under \verb+.git/annex+ directory. When a file is added to -\verb+git-annex+, a symlink of the file is created in place of the -file and the content of the file itself is stored under the -\verb+.git/annex+ directory. +not usually feasible to version control under \verb+git+ +\cite{program:git}. \verb+git-annex+ checks in the name and other +meta-data about the files in git and stores the actual content under +\verb+.git/annex+ directory. When a file is added to \verb+git-annex+, +a symlink of the file is created in place of the file and the content +of the file itself is stored under the \verb+.git/annex+ directory. For instance, say there is a file called \verb+deb-nicholson-80s.medium.webm+ that was downloaded from the @@ -169,17 +168,16 @@ to sync the repository to other \verb+git-annex+ repositories. It must be noted here that when the repository is synced, the file content itself is not transferred to the other \verb+git-annex+ repositories; only the file's name and its meta-data that is stored in a separate -git branch called \verb+git-annex+ are -transferred\cite{documentation:git-annex-hworks}. In order to create a -copy of a given file in another git annex repository, +git branch called \verb+git-annex+ are transferred +\cite{documentation:git-annex-hworks}. In order to create a copy of a +given file in another git annex repository, \verb+git annex get /path/to/filename.ext+ has to done. -\verb+git-annex+ has this feature called ``special -remotes''\cite{documentation:git-annex-sremotes}, that allows one to -push files checked into \verb+git-annex+ to storage provided by file -storage providers. At the time of writing this report, -\verb+git-annex+ supports pushing data to the following file storage -services: +\verb+git-annex+ has this feature called ``special remotes'' +\cite{documentation:git-annex-sremotes}, that allows one to push files +checked into \verb+git-annex+ to storage provided by file storage +providers. At the time of writing this report, \verb+git-annex+ +supports pushing data to the following file storage services: {\scriptsize \begin{itemize} |