Comment 7 for bug 1359722

Also came through in email.

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What does the following exchange stand for ?

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Nova-compute->+ceph_mon: get cluster map
ceph_mon->-Nova-compute: return map

Nova-compute->+ceph_rgw: [REST] request object
ceph_rgw->ceph_osd: [socket] get object
ceph_rgw->-Nova-compute: return object
##############

https://www.websequencediagrams.com/ is a choice though. Actually, we
can't see anything without paying 10$-15$. Ugh.

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