Wireless mesh networking

This example was drawn on the base of wireless mesh network (WMN) diagram in the Ho Ting Cheng's blog from the website of the Broadband Communications Research Group, the University of Waterloo, Canada.
"Wireless mesh/ ad hoc networking is a promising technology for future broadband wireless access, supporting ubiquitous communications and mobile computing. Wireless mesh/ ad hoc networking provides not only a viable, but also economical solution for both peer-to-peer applications and Internet access. Wireless mesh networks (WMNs) and wireless mobile ad hoc networks (MANETs) can be established via LTE/ LTE-A, IEEE 802.16, or IEEE 802.11 technologies. Nonetheless, the success of WMNs/ MANETs is highly contingent on effective radio resource management and robust protocol design. Recently, wireless mesh/ ad hoc networking for suburban/ rural residential areas has been attracting a plethora of attention from industry and academia. With austere suburban/ rural networking environments, multi-hop communications with decentralized resource allocation are desired. Specific contributions of this ongoing research include: Distributed Call Admission Control (CAC) and End-to-End Resource Allocation." [bbcr.uwaterloo.ca/ ~htcheng/ Current_ Projects.html]
The network diagram example "Wireless mesh networking" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Vehicular Networking solution from the Computer and Networks area of ConceptDraw Solution Park.

This diagram sample illustrates the cooperative vehicular delay-tolerant network operation.
"Delay-tolerant networking (DTN) is an approach to computer network architecture that seeks to address the technical issues in heterogeneous networks that may lack continuous network connectivity. Examples of such networks are those operating in mobile or extreme terrestrial environments, or planned networks in space.
Recently, the term disruption-tolerant networking has gained currency in the United States due to support from DARPA, which has funded many DTN projects. Disruption may occur because of the limits of wireless radio range, sparsity of mobile nodes, energy resources, attack, and noise." [Delay-tolerant networking. Wikipedia]
"Routing in delay-tolerant networking concerns itself with the ability to transport, or route, data from a source to a destination, which is a fundamental ability all communication networks must have. Delay- and disruption-tolerant networks (DTNs) are characterized by their lack of connectivity, resulting in a lack of instantaneous end-to-end paths. In these challenging environments, popular ad hoc routing protocols such as AODV and DSR fail to establish routes. This is due to these protocols trying to first establish a complete route and then, after the route has been established, forward the actual data. However, when instantaneous end-to-end paths are difficult or impossible to establish, routing protocols must take to a "store and forward" approach, where data is incrementally moved and stored throughout the network in hopes that it will eventually reach its destination. A common technique used to maximize the probability of a message being successfully transferred is to replicate many copies of the message in hopes that one will succeed in reaching its destination." [Routing in delay-tolerant networking. Wikipedia]
The example "Cooperative vehicular delay-tolerant network diagram" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Vehicular Networking solution from the Computer and Networks area of ConceptDraw Solution Park.