RFC/proposal for Thandy changes

[Robert Ransom]

On Sun, 17 Oct 2010 19:46:22 -0700
Justin Samuel <js at justinsamuel.com> wrote:

>   1. An authentication layer that downloads and authenticates opaque 'target'
>      files according to metadata it understands that lists hashes and sizes of
>      the target files. This layer doesn't understand what bundles and packages
>      are.

>   * The decision layer uses the authentication layer to retrieve a list of
>     all available bundleinfo files.

>   * The decision layer notices a bundle version in the list that it wants
>     and uses the authentication layer to retrieve the bundleinfo file for that
>     version.

>   * The decision layer uses the authentication layer to retrieve the pkginfo
>     files for each of the package versions that it wants.

>   * The decision layer uses the authentication layer to retrieve the
>     individual files (e.g. /targets/pkgs/openssl/win32/0.9.8m/libeay32.dll)
>     that are needed.

Perhaps 'download layer' would be a better term than 'authentication
layer'.


Robert Ransom
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