at the edge

See: extreme, last
References in classic literature ?
I can see plenty of nice gardens and fields down below us, at the edge of this city.
Well, as I was about to say, I had this little shelter at the edge of my melon-patch.
Jeremy Fisher; he lived in a little damp house amongst the buttercups at the edge of a pond.
It had been built just at the edge of the desert, so that all its length lay upon the gray sand except the after part, which still rested on the strip of grass.
My senses reeled; I felt myself falling, and in clutching at the edge of the door for support pushed it shut with a sharp click!
As the success of her plan approached more closely to fruition she became so wrapped in her efforts that she failed to note the figure of a man standing beneath a huge tree at the edge of the jungle from which he had just emerged.
Often they ceased their labors to squat, resting and gossiping, with much laughter, at the edge of the pit they were digging.
Among the branches of the trees at the edge of the clearing, a score or more monkeys chattered and scolded as the loud snorts of the angry beast sent them scurrying affrightedly to the upper terraces.
Laurel Networks is leading the creation of The New Service Delivery Architecture to enable profitable delivery of data and IP services at the edge of carrier IP/MPLS networks.
The MRX is designed to meet the multi-service requirements at the edge of service provider networks by integrating carrier-class IP routing, native ATM switching, Multiprotocol Label Switching (MPLS) and IP services in a single platform, with capacity scaling from 40 Gbps to 320 Gbps.
Because Zack's servers sit at the edge of the network -- the point in the Internet closest to the end user -- Zack has the ability to add value to Web traffic without client-side downloads.