[outages] Akamai Offload reduction since the New Year?

dl kokushibyou at gmail.com
Thu Feb 16 20:02:26 EST 2012


So far we have seen, all requests have been legit. Our content is very
static binary files, which makes this a little more confusing. It
almost feels like our service has had its expiry adjusted on the
Akamai side, causing our content to expire faster than it use to from
edge servers. Or perhaps a new customer has come in and is taking over
the majority of the cache on these same servers? Impossible to tell,
and not information Akamai wants to share with other people.

Thank you all for your contacts. I'll be happy to hear anything else
anyone wants to suggest.

On Thu, Feb 16, 2012 at 16:27, Dobbins, Roland <rdobbins at arbor.net> wrote:
>
> On Feb 17, 2012, at 7:06 AM, dl wrote:
>
>> Has anyone else experienced something similar?
>
> I've seen something similar whereby HTTP attack traffic which has been deliberately constructed to be non-cacheable has been relayed from a CDN to the targeted site.
>
> Have you looked into your HTTP query details in order to see if you're getting lots of queries which stand out in that regard vs. your regular traffic?
>
> Another possible cause would be changes to a site itself which results in more non-cacheable dynamic content which can't be served via the CDN.
>
> -----------------------------------------------------------------------
> Roland Dobbins <rdobbins at arbor.net> // <http://www.arbornetworks.com>
>
>          Luck is the residue of opportunity and design.
>
>                       -- John Milton
>
>
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