434 |
such as Debian's ``apt`` or Windows update, |
such as Debian's ``apt`` or Windows update, |
435 |
allowing large bandwidth savings. |
allowing large bandwidth savings. |
436 |
|
|
437 |
An important feature of pointer records, due |
An important advantage of pointer records, due |
438 |
to the simple underlying block abstraction, is |
to the simple underlying block abstraction, is |
439 |
that it is possible to |
that it is possible to |
440 |
for example burn the new versions of packages |
burn the new versions of packages |
441 |
(and their pointers records) to a CD |
(and their pointers records) to a CD |
442 |
to take to a machine that is not connected |
to take to a machine that is not connected |
443 |
to a network. Because the versioning model only |
to a network. Because the versioning model only |
444 |
uses the pointer blocks as data, the software upgrade |
uses the pointer blocks as data, the software upgrade |
445 |
should simply work out in such a case. |
should simply work out in such a case. |
446 |
|
This advantage is not shared by for example the |
447 |
XXX Onion ref? versioning |
onion networks model XXX. |
|
is also distributed - no central server needed |
|
|
for distributor |
|
448 |
|
|
449 |
|
|
450 |
Implementation |
Implementation |