After upgrading to Lion, wifi seems to be much slower, is this caused by lion?

Hello All,
After upgrading to Lion, my MMA wifi seems to work much slower than before, and also the start up seems to be slower too. Is that caused by upgrading to Lion? Please help

Give it a few days and a dozen or so restarts.
The software may be updating Spotlight indexing and a few other "housekeeping" tasks.
My upgrade on a 2010 Air resulted in a slowdown at first, but then began to return to normal. At first, the boot time doubled, but within a couple of days, it was back to a 12 second boot.

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Hi William
The disk is the internal Time Capsule Disk. It's a 1Tb model.
My iMac is localized in Italian
So I write here the Italian message and a possible translation
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The disk is the internal Time Capsule Disk. It's a 1Tb model.
My iMac is localized in Italian
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While if I go to the manual settings and I select the disk,
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Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
Waiting for index to be ready (100)
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