Inspiration and Design Philosophy:
– MyriaNed is inspired by biological cell communication.
– The network structure is non-hierarchical, resembling human gossiping.
– Biological routing in MyriaNed is random and node-independent.
– Decentralized information dissemination in MyriaNed is inspired by human gossiping.
Technical Overview and Implementation:
– MyriaNed uses a shared state strategy for information dissemination.
– Nodes cache and transmit new messages, discarding old ones.
– The network is naturally scalable due to transparent data dissemination.
– Energy consumption is reduced through duty cycling and synchronization mechanisms.
– TDMA scheme is used for radio communication in MyriaNed.
Data Dissemination and Interoperability:
– Information is stored as a distributed database in the network using shared state.
– Newly added nodes can adapt and contribute to the network functionality using shared state.
– Complete information is available to every node in the network.
– MyriaNed network is naturally scalable with no top-down structure.
– Different functionality can be integrated and executed on a single network.
Energy Efficiency and Consumption:
– Nodes communicate periodically and go to standby mode to preserve energy.
– Duty cycling is used to reduce energy consumption in the network.
– Energy consumption is reduced through duty cycling and standby modes.
– MyriaNed’s energy-efficient design includes a built-in synchronization mechanism.
Applications and Implementations:
– MyriaNed allows different applications to run simultaneously without interference.
– Examples of applications include building automation, wireless bicycle brake, and ambient living in elderly care.
– Chess Wise utilized MyriaNed technology as the foundation for Mymesh network protocol.
– MyriaNed is related to technologies like Bluetooth, Wi-Fi, WirelessHART, DASH7, EnOcean, and Z-Wave.
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MyriaNed is a wireless sensor network (WSN) platform developed by DevLab. It uses an epidemic communication style based on standard radio broadcasting. This approach reflects the way humans interact, which is called gossiping. Messages are sent periodically and received by adjoining neighbours. Each message is repeated and duplicated towards all nodes that span the network; it spreads like a virus (hence the term epidemic communication).
This is a very efficient and robust protocol, mainly for two reasons:
- First, the nodes do not need to know who is in their neighbourhood at the time of sending a message, there is no notion of an a-priori planned Routing, data is just shared instantaneously.
- Second, the network is implicitly reliable since messages may follow different communication routes in parallel. The loss of a message between two nodes does not mean that the data is lost.
Nodes can be added, removed or may be physically moving without the need to reconfigure the network. The GOSSIP protocol is a self-configuring network solution. The network may even be heterogeneous, where several types of nodes communicate different pieces of information with each other at the same time. This is possible due to the fact that no interpretation of the message content is required in order to be able to forward it to other nodes.
Message communication is fully transparent, providing a seamless communication platform, where new functionality can be added later, without the need to change the installed base. Furthermore, MyriaNed is enabled to update the wireless sensor nodes software by means of “over the air” programming of a deployed network.
