commit 6d968a1507ae074ab17f914522f25b68138efd42
Author: David Goulet <dgoulet@xxxxxxxxxxxxxx>
Date: Mon Oct 17 12:05:09 2016 -0400
prop224: Add a section on the number of introduction points
Acked-by: George Kadianakis <desnacked@xxxxxxxxxx>
Signed-off-by: David Goulet <dgoulet@xxxxxxxxxxxxxx>
---
proposals/224-rend-spec-ng.txt | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/proposals/224-rend-spec-ng.txt b/proposals/224-rend-spec-ng.txt
index 558cf1f..1fe738d 100644
--- a/proposals/224-rend-spec-ng.txt
+++ b/proposals/224-rend-spec-ng.txt
@@ -37,6 +37,7 @@ Table of contents:
2.3.2. Hidden services and changing shared random values
2.4. Hidden service descriptors: outer wrapper [DESC-OUTER]
2.5. Hidden service descriptors: encryption format [ENCRYPTED-DATA]
+ 2.5.1. Number of introduction points [NUM_INTRO_POINT]
3. The introduction protocol
3.1. Registering an introduction point [REG_INTRO_POINT]
3.1.1. Extensible ESTABLISH_INTRO protocol. [EST_INTRO]
@@ -999,7 +1000,8 @@ Table of contents:
able to contact the host. Recognized types are: 'password' and
'ed25519'. See [INTRO-AUTH] below.
- Followed by zero or more introduction points as follows:
+ Followed by zero or more introduction points as follows (see section
+ [NUM_INTRO_POINT] below for accepted values):
"introduction-point" SP link-specifiers NL
@@ -1058,6 +1060,21 @@ Table of contents:
Other encryption and authentication key formats are allowed; clients
should ignore ones they do not recognize.
+2.5.1. Number of introduction points [NUM_INTRO_POINT]
+
+ This section defines how many introduction points an hidden service
+ descriptor can have at minimum, by default and the maximum:
+
+ Minimum: 0 - Default: 3 - Maximum: 20
+
+ A value of 0 would means that the service is still alive but doesn't want
+ to be reached by any client at the moment. Note that the descriptor size
+ increases considerably as more introduction points are added.
+
+ The reason for a maximum value of 20 is to give enough scalability to tools
+ like OnionBalance to be able to load balance up to 120 servers (20 x 6
+ HSDirs) but also in order for the descriptor size to not overwhelmed hidden
+ service directories with user defined values that could be gigantic.
3. The introduction protocol
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