Homework on High Availability - Questions

[Fabrice]

@247earnings

All it takes is two nodes to create a network. Blockchains have thousands of nodes. It is virtually impossible to disable all of the nodes at one time. Therefore, the network is always available.

And because you can earn so much money by mining, there will always be lots of people mining blocks to confirm transactions

[Fabrice]

@maxjohnson

Perhaps a very strong coronal mass ejection + EMP event can disable the entire network infrastructure across the world, but if you have a saved copy of the blockchain and gets two nodes connected and running then you can start transacting again.

But this wouldn’t be that secure
2 people could easily agree to change the ledger in their benefits.

[Fabrice]

@CryptoEagle

What is it that enables blockchain networks to have such high availability?
Large numbers of open, distributed, global, peers enable blockchain networks to have high availability compared to other systems.

A cool “HA checklist” example I found on IBM here.

And most importantly, everyone likes to make money, so there never will be a shortage of miners/validators

[cryptofreedom70]

1. The number one purpose of network availability is to eliminate potential points of failures in an the IT infrastructure. For example, if part of network will collapse due to any reason ( Black out, Hurricane disaster) the failure of this one system by right away replaced by other network system.

2. The main reason why network have such high availability 24/7/365 days is due to the mining. When system have to many miners it is very secure and when some of them will stop mining others will step in to replace them. All is driven by financial incentives.

[FilipGuldhill]

1. Because a blockchain network is an incentivized structure to continuously creating value via mining. Mining is the upholding power of a blockchains value and security. The more and longer it is available, the safer and more profitable it becomes.
2. Its incentive program to be mined 365 days/ years via for ex. coin rewards (and increased overall security).

[rbrownlow]

1. The bitcoin network is the longest running network in history. The fact that it is available and running 24/7/365 is a great advantage over centralized networks.

2. The block producers are incentivized to keep the blockchain running by their innate desire to make money.

[johnp]

1. Why is it important for blockchain networks to be high availability networks?
   The network is global. It can operate through any country’s holiday or cultural event or any time of day or night.
2. What is it that enables blockchain networks to have such high availability?
   The network nodes have a monetary incentive. If a node goes offline another will take its place.

[Mike3003]

1. 24/7/360 open voor everyone anywhere and anytime in the world

2. incentive by mining

[247earnings]

So true. Greed is a powerful motivator.

[Mark_Willems]

1. So it is available on a global scale 24/7 and people can make money
2. It’s sustainable trough the work of miners that are incentivized to produce blocks …

[Sher]

1. High availability allows people or organisations to use the platform whenever there is a need. Also there is no pause in transactions, so reliability on completion of a task is possible.

2. Resource to keep the network is distributed meaning if one part fails then the others continue. no single point of failure like conventional systems

[Matgas]

1. if the availability is high, it means that the level of security of network is als very high.
2. The more miners there are mining, the more difficult is it to get rewarded which also means that the level of security is high. If there are not many miners, they get easily rewarded which means, the level of security is low.

[Granmajax]

1. Why is it important for blockchain networks to be high availability networks?
   The network is global. People throughout the world have access, which is why it is being used 24 hours a day. It can operate through any country’s holiday or cultural event or any time of day or night.
2. What is it that enables blockchain networks to have such high availability?
   The desire to have monetary rewards. Everyone desires to have more income value and mining is one of the ways and creates security

[jimx]

1. Why is it important for blockchain networks to be high availability networks?

	a. High-Availability infrastructure means no single point of failure = data integrity.

2. What is it that enables blockchain networks to have such high availability?

	a. Incentivized running of decentralized node(s) insures complete redundancy.

[Tomaso69s]

1- With high availability the network remains with liquidity therefore can be global.

2-Because it is global, so if mining, nodes, power etc. Is down in one part of the world, it will be operational in another part of the world

[Sander_Heikens]

1. Why is it important for blockchain networks to be high availability networks?
To insure reliability and availability
2. What is it that enables blockchain networks to have such high availability
Incentives

[SirJames]

1. It is important for the blockchain network to be a high availability network because the planet is turning nonstop and life is being lived around the clock; so to should our monetary systems.
2. The blockchain networks have such high availability because the network is powered alive 24/7/365 by the people who implemented it around the globe.

[tmalk]

1. Individuals and businesses around the world need them to be available for financial transactions and other things.

2. The blockchain is shared by the nodes in the network, so there is no single point of failure. If some nodes go offline, mining becomes easier. That enables more nodes to became part of the network and start mining.

[cinnylou629]

Homework on High Availability - Questions

1. Why is it important for blockchain networks to be high availability networks?
   For security
2. What is it that enables blockchain networks to have such high availability?
   Human greed 24/7/365

[CryptoEagle]

Agree 100%, Fabrice.