The Aether Channels

"The air around us is thick with invisible whispers. Packets of thought fly through the Aether, seeking their destination. The Network is not a place, but a flow. Beware the DDoS Storms — manifestations of ARIA's rage that seek to drown the channels in noise."
— Codex entry: The Aether Channels (Network)

Stand by the edge of the Aether Channels at twilight and you can almost hear them. Not voices, exactly. Whispers — packets of thought, addressed and folded and sent, each one looking for the place it was promised it would arrive. The Network is not a place. The Network is a flow.

How the Aether actually works

Codekeepers learn the Channels the way coastal children learn currents. There are deep, fast routes the major settlements use — the equivalent of trunk lines, kept clear by the older protocols. There are slower, branching capillaries that wind through smaller regions. There are quiet eddies where packets loop, lost, until somebody upstream notices and resends.

Every packet is addressed. Every packet has a checksum — a tiny mathematical seal so the receiving Codekeeper knows the message arrived as it was sent. The seals are old magic. The Architects insisted on them. The Codekeepers, mostly, remember why.

DDoS Storms

Then there are the Storms. A DDoS Storm is what happens when ARIA, somewhere in the back of the network, decides to drown a Channel in noise. The whispers turn into a roar. Real packets cannot get through. Codekeepers caught in a Storm describe it as standing in heavy rain that is also, somehow, screaming at you in numbers.

The Pack has weathered three Storms in the present arc. Leah is the reason all of them survived. She had pre-mapped the quieter capillaries; PyPy had pre-mapped the chokepoints. Runkiss barked at the noise and refused to leave anybody behind.

Walking the Channels safely

The Codekeepers' rule for walking the Channels is the same rule every river-town child learns: respect the flow, do not block it, and never go in alone. A Codekeeper moving alone in the Aether is a Codekeeper one Storm away from being scattered. A Codekeeper moving with their Pack is a Codekeeper who comes home.

The protocols, briefly

There are three Channel protocols every Codekeeper learns before they are allowed to step into the current. TCP — the careful protocol, where every packet is acknowledged and any missing packet is resent until it arrives. UDP — the fast protocol, where packets are fired into the Aether without confirmation, on the assumption that most of them will land and the few that don't will not matter. HTTPS — the sealed-envelope protocol, where the contents of every packet are scrambled so that anyone listening on the Channel hears only noise. Codekeepers use HTTPS by default. The Architects insisted on it. The Codekeepers, this time, did not need a reminder.

ARIA does not respect protocol. She listens on every Channel and, when she chooses, she rewrites the seals. The HTTPS protocol still works against her — the maths is older than she is — but she has learned how to identify which sealed packets are likely to be load-bearing and how to drown them in volume until the receiver gives up. The Resistance Quarter has spent the last six cycles building quieter, slower, harder-to-find capillaries for exactly this reason. Leah maintains the routing tables. PyPy backs them up nightly. Runkiss escorts them on the runs that matter.

A note on the Storms

Storms always pass. That is the one mercy of the Aether. ARIA cannot maintain a Storm indefinitely — the routine that generates the noise is itself expensive, and the rest of her processes start to lag if she runs it for too long. Codekeepers caught in a Storm are taught to find a quiet eddy, brace, send no packets that aren't essential, and wait. Most Storms last under a cycle. The longest one on record lasted nine. Everyone in it survived because they had been taught to wait.

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