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Change domain to .meshname

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George
2020-02-03 14:32:44 -05:00
parent 5c09a910c7
commit 9bb3f1ca2a
4 changed files with 24 additions and 31 deletions
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protocol.md
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@@ -16,12 +16,12 @@ base32 notation for deriving a globally unique name space managed by that node.
Since there is no need for a global authority or consensus, such a naming system
will reliably work in any network split scenarios.
".mesh.arpa" is meant to be used by machines, not by humans. A human-readable
".meshname" is meant to be used by machines, not by humans. A human-readable
naming system would require a lot more engineering effort.
## How .mesh.arpa domains work
## How .meshname domains work
Each mesh node can manage its own unique name space in "mesh.arpa." zone.
Each mesh node can manage its own unique name space in "meshname." zone.
The name space is derived from its IPv6 address as follows:
1) IPv6 address is converted to its binary form of 16 bytes:
@@ -37,29 +37,29 @@ The name space is derived from its IPv6 address as follows:
3) Padding symbols "======" are removed from the end of the string.
The resulting name space managed by '200:6fc8:9220:f400:5cc2:305a:4ac6:967e'
is "aiag7sesed2aaxgcgbnevruwpy.mesh.arpa."
is "aiag7sesed2aaxgcgbnevruwpy.meshname."
In order to resolve a domain in "xxx.mesh.arpa." space, the client derives IPv6
address from the third level domain "xxx" and use it as authoritative DNS server
In order to resolve a domain in "xxx.meshname." space, the client derives IPv6
address from the second level domain "xxx" and use it as authoritative DNS server
for that zone.
"xxx.mesh.arpa" name is itself managed by the DNS server derived from "xxx" and
"xxx.meshname" name is itself managed by the DNS server derived from "xxx" and
can point to any other IPv6 address.
## Resolving process explained
1) A client application makes a request to a resolver.
I.e. request AAAA record for "test.aiag7sesed2aaxgcgbnevruwpy.mesh.arpa.".
I.e. request AAAA record for "test.aiag7sesed2aaxgcgbnevruwpy.meshname.".
2) When a resolver detects "mesh.arpa." domain, it extracts a third level
domain from it. In this example, "aiag7sesed2aaxgcgbnevruwpy.mesh.arpa.".
2) When a resolver detects "meshname." domain, it extracts the second level
domain from it. In this example, "aiag7sesed2aaxgcgbnevruwpy.meshname.".
3) If the resolver is configured as an authoritative server for that
domain, it sends back a response as a regular DNS server would do.
4) If it's not, the resolver derives IPv6 address of the corresponding
authoritative DNS server from the third level domain.
For "aiag7sesed2aaxgcgbnevruwpy.mesh.arpa." the authoritative server is
authoritative DNS server from the second level domain.
For "aiag7sesed2aaxgcgbnevruwpy.meshname." the authoritative server is
"200:6fc8:9220:f400:5cc2:305a:4ac6:967e".
The resolver then relays clients request to a derived server address and
relays a response back to the client.
@@ -67,17 +67,10 @@ relays a response back to the client.
## Why not .ip6.arpa
There is a special domain for reverse DNS lookups, but it takes 72 characters to
store a single value. The same value in .mesh.arpa takes 36 characters.
store a single value. The same value in .meshname takes 35 characters.
"e.7.6.9.6.c.a.4.a.5.0.3.2.c.c.5.0.0.4.f.0.2.2.9.8.c.f.6.0.0.2.0.ip6.arpa"
versus "aiag7sesed2aaxgcgbnevruwpy.mesh.arpa."
versus "aiag7sesed2aaxgcgbnevruwpy.meshname"
This saves twice amount of bandwidth and storage space. It is also arguably more
aesthetically appealing, even though that's not a goal.
## Why .arpa
".arpa" is a special domain reserved for Internet infrastructure. There is a
similar special-use domain for home networks ".home.arpa" specified in RFC 8375.
If ".mesh.arpa" will become widely used it could also be standardized, otherwise
it won't break much.