Guifi.net a Sustainable and Scalable Network Model

Guifi.net is a remarkable example of a sustainable and scalable network model. It's a community-driven network that has been growing steadily since its inception in 2004. With over 1,000 nodes and 40,000 users, it's a testament to the power of collective effort and open-source technology.

One of the key factors that contribute to Guifi.net's success is its decentralized architecture. This means that decision-making power is distributed among the community members, allowing for more efficient and adaptable management. In contrast to traditional top-down approaches, this model fosters a sense of ownership and responsibility among users.

Guifi.net's network is built on a mesh topology, which allows for multiple paths for data to travel. This redundancy ensures that the network remains operational even if some nodes go offline. The network is also designed to be highly scalable, with new nodes and users able to join easily as the community grows.

Guifi.net's governance system is built on a set of principles that ensure its success. These principles are based on the works of Elinor Ostrom, who studied the management of Common Pool Resources (CPRs).

The key components of the self-developed governance tools of the guifi.net community are designed to manage the challenges of a CPR like a computer network. This includes an investment declaration system, resource monitoring system, cost compensation system, conflict resolution system, and gradual sanctioning system.

A clear definition of objectives and scope is crucial for any project, and guifi.net is no exception. Its objective is to build and operate a computer network that is fully inclusive, open in terms of access and use, and in terms of construction, operation, and governance.

The community has developed a comprehensive body of normative agreements that establish the objectives and scope of the project, as well as the rights and duties of the participants. These agreements are classified into four types: ground rules, contractual agreements, regulations, and good practices.

The licence for participation in the commons is the fundamental rule, and acceptance of these agreements is mandatory for participation. This ensures that everyone is on the same page and working towards the same goals.

Here are the key components of guifi.net's governance tools:

These systems work together to manage the challenges of a CPR like guifi.net, ensuring that the community can continue to thrive and grow.

Guifi.net's network structure is a remarkable example of decentralized and organic growth. The network consists of more than 27,000 operational nodes, making it the world’s largest community network in terms of the number of nodes and coverage area.

The network has a diverse range of technological choices for hardware, link protocols, and channels, and uses a combination of routing protocols to provide a common private IP network.

The graph topology of the network follows a power-law distribution for links in regions up to a few thousand km^2, which is limited to the scope of wireless links.

This diversity in local characteristics is caused by several demographic, geographic, technological, and network design factors, which is evident in the network's growth and resilience.

The network has two aspects of growth: a geographic growth of the network core using long distance links with wireless or fibre, and the local growth in density with leaf low-cost leaf nodes.

The resilience of the network varies across different regions, with more fragile leafs than core nodes and diverse degrees of graph resilience to random failures or coordinated attacks.

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The legal certainty of Guifi.net is a key factor in its success. This is largely due to the fact that most of its components are written documents, which has enabled the development of a competitive general-purpose infrastructure.

Having a non-profit organisation, the Guifi.net Foundation, gives the project a legal entity and is responsible for its core governance activities. This includes the maintenance and development of critical components of the body of normative agreements, as well as their enforcement.

The network allows for-profit activities, in addition to non-profit ones, which is a unique aspect of Guifi.net. Public administrations play a crucial role in regulating interactions between the network deployment and the public interest.

Stakeholders in Guifi.net can be classified based on their unique and non-transferable roles. Service providers sell their services over the network to customers who pay for them according to service contracts.

The social and economic relations within the Guifi.net community are driven by the principles of non-speculation and non-discrimination. Prices are cost-oriented, and costs are shared according to the resources consumed, ensuring that nobody is excluded for economic reasons.

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Guifi.net has developed a sophisticated system to ensure the sustainability and growth of the network infrastructure. This system is rooted in the obligation of certain participants, including service providers and those who make significant use of the network, to participate in the economic compensation system and to fulfill the obligations resulting from it.

The economic compensation system establishes who is responsible for paying for what, based on traffic monitoring, investment declaration, and rules of participation. This system helps to maintain and upgrade the infrastructure by professionals, as their income depends on it.

The economic compensation system uses clearing houses that apply calculation rules of capital expenditure (CAPEX) and operational expenses (OPEX) in the scope of the network segment or service of concern. Clearing houses also have rules to decide on future investments.

An area such as a town or region sharing an infrastructure, or a resource such as a set of internet uplinks, can benefit from Guifi.net's approach.

Guifi.net has shown remarkable success in one of its projects, XAFOGAR. XAFOGAR is an ongoing project aimed at deploying fibre in all 21 municipalities of the county of Garrotxa in Spain.

This project highlights the catalytic power of public administration involvement. A public development agency is leading the project and has invested EUR 1.5 million.

The agency's involvement has been crucial in managing the project daily. It's providing irreplaceable political support, which is essential for the project's success.

Private initiatives have been equally crucial in funding the project. For every euro invested by the public administration, 12.7 euros have been provided by private initiatives.

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Guifi.net is a massive community network with over 27,000 operational nodes, making it the world's largest community network in terms of both node count and coverage area.

The network consists of a diverse range of technological choices for hardware, link protocols, and channels, and uses a combination of routing protocols to provide a common private IP network.

The graph topology of the network follows a power-law distribution for links in regions up to a few thousand km^2, limited to the scope of wireless links.

Network growth has two aspects: a geographic growth of the network core using long distance links with wireless or fibre, and the local growth in density with leaf low-cost leaf nodes.

The resilience of the network varies across different regions, with more fragile leaf nodes than core nodes and diverse degrees of graph resilience to random failures or coordinated attacks, such as natural causes.

The network's loosely coupled and decentralised organic growth has resulted in large local differences, diverse growth, and maturity under a common community license and social network.

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Guifi.net is an open, free, and neutral telecommunications network operating in Spain, mainly in Catalonia and Valencia. It's structured by wireless connections built and funded by its own users.

The network is a grid, structured around a main line connected to nodes activated by individuals, businesses, and administrations. This purposefully extends coverage over areas where infrastructure is hard to access.

Guifi.net was conceived on April 3rd, 2004, by a group of people concerned with solving internet access difficulties in rural areas. They associated these difficulties with high costs and geographic restrictions.

The first fiber optics release, a project called Fiber For the Farms (FFTF), was launched in August 2004. This project covered 2 km, linking dozens of farms in the village of Gurb in Catalonia.

Here are the languages available on the Guifi.net website: