mirror of
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101 lines
3.6 KiB
Plaintext
101 lines
3.6 KiB
Plaintext
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== Netsukuku features list ==
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{{{
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- The Netsukuku mesh network is: distributed, not hierarchic, and higly
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scalable. The design of Netsukuku prioritises the stability of net.
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For this reason, it isn't specifically suitable for mobile nodes.
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However if the mobile nodes are inside an area covered by static Netsukuku
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nodes, there aren't any problems. It is also possible to use other mesh
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network protocols designed for mobility in conjunction with Netsukuku (f.e.
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see olsrd.org), in the same way they are used in conjunction with the
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Internet.
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- Scalability: Netsukuku is specifically designed to handle an unlimited
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number of nodes with minimal CPU and memory resources.
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- The net isn't overloaded with discoveries packet
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- The size of the maps is fixed: about 4Kb for the int_map and 16Kb
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for the ext_map.
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- Not all the nodes sends a broadcast discovery.
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- There are few floods for each discovery.
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- When a node receives a flood it has already the routes that can be
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used to reach all the nodes traversed by the flood. It doesn't need
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to calculate anything about them.
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- A flood is synchronized: the same flood starts at the same time for
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all the nodes.
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- http://lab.dyne.org/Netsukuku_scalability
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- zeroconf: the network builds itself, without need of human intervention
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- ANDNA: distributed and not hierarchic DNS
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- When the net becomes larger, ANDNA scales more because its DB will
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be distributed among the nodes.
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- Any node can register up to 256 hostnames.
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- The registration is secure: it is based on asymmetric cryptography,
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thus it is very difficult to take hostnames which has been already
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registered by other nodes.
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- Each hostname can be a string of maximum 512 bytes.
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- DNS compatibility: all the network programs are already compatible
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with ANDNA, because NetsukukuD comes with a DNS wrapper which
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converts DNS queries to ANDNA requests.
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- All the resolved hostnames are kept, in the "resolved hostnames
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cache" to speed up the resolution process.
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The rhcache is synchronized with ANDNA, therefore its stored
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entries will expire exactly when the registered hostnames expire
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in ANDNA.
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- Scattered Name Service Disgregation
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http://lab.dyne.org/Ntk_SNSD
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The SNSD is the ANDNA equivalent of the SRV Record of the Internet
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Domain Name System, which is defined here:
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http://www.ietf.org/rfc/rfc2782.txt
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SNSD isn't the same of the "SRV Record", in fact, it has its own
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unique features.
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- Internet compatibility
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- internet sharing
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* Multi-inet-gateways.
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The Netsukuku nodes will now automatically use multiple
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inet-gateways to connect to the Internet, therefore their
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Internet connection will be effectively load-balanced.
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* Anti-loop multi-igw shield.
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The nodes which share their Internet connection will also
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automatically use the shared connection of the other nodes.
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Through a simple marking system, death loops are avoided.
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* Traffic shaping.
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The nodes which share their Internet connection can now
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shape it, in this way they'll prioritize their local
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outgoingtraffic and the lowdelay one (f.e. SSH).
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- Routes based on bandwidth and latency
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http://lab.dyne.org/Ntk_bandwidth_measurement
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- NetsukukuD:
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- low memory and CPU usage
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- it can run smoothly on a small Access Point
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- Support for multipath routes: to reach a destination node, the
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packets will use, at the same time, more than one route.
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- support for multi network interfaces
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- Multi interfaces multipath: if the node can reach a rnode trough
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multiple interfaces, it uses them all with a multipath route.
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}}}
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