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Constellation Connections & Privacy

Noema tests the available paths when you press Use and selects the best working route before the first message.

Verified for
Noema 3.6+
Applies to
iPhone / iPad / Mac / Vision Pro
Last reviewed
July 26, 2026

Route order

RouteWhen Noema uses itWhat it means
Local NetworkBoth devices can reach each other on the same LAN.The request goes directly to the Mac on the local network and usually has the lowest latency.
Private LinkYou configured a reachable Tailscale, ZeroTier, or WireGuard address.Traffic travels over your private mesh without router port forwarding.
DirectThe devices can establish an encrypted peer-to-peer path across networks.CloudKit introduces the devices, but no relay carries the conversation.
Noema BridgeA restrictive NAT or firewall prevents Direct.End-to-end encrypted bytes pass through Noema’s relay; the relay cannot read the request or reply.
Cloud RelayFaster routes are unavailable.Requests and replies use your private CloudKit database. It is the broadest-compatibility and slowest fallback.

Direct is not guaranteed. Carrier-grade NAT, hotel Wi-Fi, enterprise firewalls, and some mobile networks intentionally prevent peer-to-peer connectivity. Seeing Noema Bridge on 5G can therefore be normal rather than a configuration problem.

See the current route

  • Stored → Constellation, under Remote Session.
  • The Chat connection button.
  • The menu containing the active model’s eject action.

Constellation settings also explain every route. Private Link appears in the route list after one has been configured.

What Noema Bridge can see

Noema Bridge receives an opaque routing token and encrypted traffic. The two devices authenticate the session and encrypt the request and response end-to-end. The bridge forwards sealed bytes and does not run the model or store its weights.

Cloud Relay is a separate fallback. It stores the exchange in the user’s private CloudKit database rather than sending it through the Bridge socket.

Remote Access and Off-Grid Mode

Remote Access is off by default. Enabling it is a deliberate action on both the Mac and requesting device.

Off-Grid Mode takes priority over Constellation. It pauses iCloud sync, discovery, Remote Access, and network-backed tools until the mode is turned off.