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| | = 008 Inter-VM Communication Mechanisms
:page-parent: Architecture Decision Records
:page-grand_parent: Explanation
// SPDX-FileCopyrightText: 2022 Unikie
// SPDX-License-Identifier: GFDL-1.3-no-invariants-or-later OR CC-BY-SA-4.0
== Status
Proposed
== Context
Guest VM software needs to communicate with software in other guest VMs.
== Decision
Spectrum provides two mechanisms for inter-guest communication:
- TCP/IP with virtio-net
- Cross-domain virtio-gpu which can send references to shared memory
and be used as a transport for a stream protocol, e.g. Wayland.
== Consequences
- Examples will be required on how to write applications which
communicate over virtio-gpu.
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