Lines Matching refs:network

6 …tocol. Please see the :doc:`ESP-WIFI-MESH API Reference<../api-reference/network/esp-wifi-mesh>` f…
13 … Network). ESP-WIFI-MESH is self-organizing and self-healing meaning the network can be built and …
21 3. :ref:`mesh-building-a-network`
23 4. :ref:`mesh-managing-a-network`
29 7. :ref:`mesh-network-performance`
41 .. figure:: ../../_static/mesh-traditional-network-architecture.png
48network is a point-to-multipoint network where a single central node known as the access point (AP…
50 .. figure:: ../../_static/mesh-esp-wifi-mesh-network-architecture.png
57network to have much greater coverage area as nodes can still achieve interconnectivity without ne…
77 - Any device that **is** or **can be** part of an ESP-WIFI-MESH network
79 - The top node in the network
97network which consists of a node and all of its descendant nodes. Therefore the subnetwork of the …
99 …s Control Address used to uniquely identify each node or router within an ESP-WIFI-MESH network.
106 …nnection using its station interface**. This naturally results in a tree network topology with a p…
115network meaning nodes can transmit packets to other nodes in the network through one or more wirel…
118network is dependent on the maximum number of layers permitted in the network, and the maximum num…
130network and serves as the only interface between the ESP-WIFI-MESH network and an external IP netw…
132network's maximum permitted layer, it will be assigned as a leaf node. This prevents the node from…
136 **Idle Nodes:** Nodes that have yet to join the network are assigned as idle nodes. Idle nodes will…
145 - Maximum number of layers permitted in the network
173 …allowest layer of the network (including the root node). This helps minimize the total number of l…
186 … node G. The root node is always the shallowest node in an ESP-WIFI-MESH network hence is always t…
194 Each node within an ESP-WIFI-MESH network will maintain its individual routing table used to correc…
209 …cket arriving at the root node where the routing table should contain all nodes within the network.
217 .. _mesh-building-a-network:
226 …he ESP-WIFI-MESH network building process can begin, certain parts of the configuration must be un…
228network building process involves selecting a root node, then forming downstream connections layer…
230 .. figure:: ../../_static/mesh-network-building.png
243 …in connecting with the root node thereby forming the second layer of the network. Once connected, …
247network. Once connected, the idles nodes become intermediate parent node or leaf nodes depending o…
251network from exceeding the maximum permitted number of layers, nodes on the maximum layer will aut…
256 … frames. **The MAC address is used to uniquely identify each node in the network** whilst the **ro…
258 …result in the beacon frame with the strongest router RSSI being propagated throughout the network.
262 The following diagram demonstrates how an ESP-WIFI-MESH network is built when the root node is auto…
273 …ted throughout the network. Node C has the strongest router RSSI (-10 dB) hence its beacon frame i…
275 …eferred parent node (i.e. the shallowest node). Nodes A/B/D/E form the second layer of the network.
277 **4.** Node F and G connect with nodes D and E respectively and the network building process is com…
280 …ber of iterations based on the number of nodes within the network (i.e. the larger the network the…
283network leading to the building of multiple networks. If such is the case, ESP-WIFI-MESH has inter…
288network must also forgo the election process to prevent the occurrence of a root node conflict. Th…
299 …onnect with node A as their preferred parent node. Both nodes form the second layer of the network.
301 …nect with node C, and node F connects with node D. Nodes B/E/F form the third layer of the network.
303 … node E, forming the fourth layer of the network. However the maximum permitted number of layers i…
311 …ent node is designed to reduce the number of layers in the ESP-WIFI-MESH network and to balance th…
318network building can be affected by the order in which nodes power-on. If certain nodes within the…
320network, the delayed node will not attempt to elect a new root node, even if it has a stronger RSS…
326 The following example demonstrates the effects of asynchronous power-on with regards to network bui…
337 …ections layer by layer with their preferred parent nodes. The result is a network with five layers.
341 … a shallower layer (second layer node). Due to the switch, the resultant network has three layers …
343 …ifferent network layout compared to the network formed under the conditions of asynchronous power-…
357 .. _mesh-managing-a-network:
362network meaning it can detect and correct for failures in network routing**. Failures occur when a…
378 **1.** Node C is the root node of the network. Nodes A/B/D/E are second layer nodes connected to no…
382 … second layer nodes A/D/E form upstream connections with node B thus the network is healed and can…
403 **1.** The following branch of the network consists of nodes A to G.
407 …ing with Node B thus node G can connect with node F. The network is healed, however the network ro…
417 … the network to begin transmitting and scanning for beacon frames (see `Automatic Root Node Select…
419 …eam connection with the router thereby becoming the new root node of the network. The previous roo…
434 **3.** Node B disconnects from its parent and connects with the router becoming the network's new r…
436network layout is similar after the switch as node C still maintains the same subnetwork. However …
439 …ection hence is only supported when using a self-organized ESP-WIFI-MESH network. In other words, …
446 …FI-MESH network can dynamically adjust its network layout to ensure each connection has a good RSS…
459network data transmissions use ESP-WIFI-MESH packets. ESP-WIFI-MESH packets are **entirely contain…
470 …uch as a group transmission or a packet originating from the external IP network (see :c:macro:`ME…
475 …When sending an ESP-WIFI-MESH packet to the external IP network, the destination address field of …
480 …ESH packet to be transmitted simultaneously to multiple nodes within the network. Multicasting in …
487 …During a multicast, all nodes within the network still receive the ESP-WIFI-MESH packet on the MAC…
492network. Each node essentially forwards a broadcast packet to all of its upstream and downstream c…
527network, it is critical that downstream nodes are aware of the root node's connection status with …
532 The following diagram illustrates the various network layers involved in an ESP-WIFI-MESH Bidirecti…
541 … only required on the root node when it transmits/receives a packet to/from an external IP network.
556 …nd maintain performance, Wi-Fi contains mechanisms for **network channel switching**. A network ch…
558network, network channel switches are triggered by the AP with the aim of having the AP and all co…
560 …dicates the number of beacon frame intervals (TBTTs) remaining until the network channel switch oc…
565network makes the switching process in ESP-WIFI-MESH is more complex due to the fact that a beacon…
567 … **Channel Switch Count**). Given that all nodes within an ESP-WIFI-MESH network receive the same …
569 An ESP-WIFI-MESH network channel switch can be triggered by either the router or the root node.
573 **A root node triggered channel switch can only occur when the ESP-WIFI-MESH network is not connect…
577 When an ESP-WIFI-MESH network is connected to a router, the entire network must use the same channe…
579 …m value. This custom value can be based on factors such as the number of network layers, the curre…
581network and its router may have a different and varying beacon intervals. Therefore, the Channel S…
586network channel switch being unsynchronized with the router's channel switch, there will be a **te…
587 …- The ESP-WIFI-MESH network's channel switch time is dependent on the ESP-WIFI-MESH network's beac…
588 … any data exchange between the root node and the router during that ESP-WIFI-MESH network's switch.
589 …- In the ESP-WIFI-MESH network, the root node and intermediate parent nodes will request their con…
590network channel switches can degrade the ESP-WIFI-MESH network's performance. Note that this can b…
596 …iven by the router), the router will switch channels without the ESP-WIFI-MESH network's knowledge.
602 …Although ESP-WIFI-MESH network channel switching aims to move all nodes within the network to a ne…
609 …eld of the :cpp:type:`mesh_cfg_t` structure and permits an ESP-WIFI-MESH network to dynamically sw…
611 **Preset Channel:** An ESP-WIFI-MESH network can have a preset channel by setting the ``channel`` f…
615 **Preset Router BSSID:** An ESP-WIFI-MESH network can have a preset router by setting the ``bssid``…
707 .. _mesh-network-performance:
712 The performance of an ESP-WIFI-MESH network can be evaluated based on multiple metrics such as the …
714 **Network Building Time:** The amount of time taken to build an ESP-WIFI-MESH network from scratch.
716 …he amount of time taken for the network to detect a node break down and carry out appropriate acti…
720network can simultaneously support. This number is determined by the maximum number of downstream …
722 The following table lists the common performance figures of an ESP-WIFI-MESH network:
741 …ot node's access to the external IP network is directly affected by the number of nodes in the ESP…
744 …The performance figures can vary greatly between installations based on network configuration and …