Can anyone explain how WAVEs (caches in WCCP lexicon) are assigned to buckets please?
The context to my question is probably best illustrated by an example:
* You have two CEs (CE-A and CE-B), each with a provider circuit
* Asymmetric routing across the WAN providers
* Four WAVE units registered using WCCPv2
* An assignment mask of 0x0f00 on the source ip (16 bits)
* Therefore, there are four caches and 16 buckets (4 buckets per cache)
How does WCCPv2 ensure buckets 1-4 get assigned to WAVE-A on both CEs?
According to the post below, the assignment is based on WCCP registration time, but I am not confident in that, else rebooting WAVEs or CEs would cause loss of optimisation (unless they were all rebooted together in sequence):
That's a great answer, thank you. I also found a useful reference in the draft RFC (section 4.8.2 "Mask/Value Sets") and a cloudshark trace showing the Redirect-Assign message containing a buckets-to-cache map.
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