Skip to content
GitLab
Menu
Projects
Groups
Snippets
Loading...
Help
Help
Support
Community forum
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in
Toggle navigation
Menu
Open sidebar
Corsi
Linux Avanzato
Rete e Dintorni
Commits
88b96e13
Commit
88b96e13
authored
Apr 24, 2020
by
JackV
Browse files
Minor corrections, new sfp pic
parent
87c9d271
Pipeline
#583
passed with stage
in 1 minute and 5 seconds
Changes
2
Pipelines
1
Hide whitespace changes
Inline
Side-by-side
assets/sfp_ont.jpg
View replaced file @
87c9d271
View file @
88b96e13
27.6 KB
|
W:
|
H:
479 KB
|
W:
|
H:
2-up
Swipe
Onion skin
slides/content.md
View file @
88b96e13
...
...
@@ -588,13 +588,14 @@ apk:
| | €/GB | R/W Speed | Lifetime |
| - |:---- |:--------- |:-------- |
| HDD | Low | Medium | Medium<br>(3-5 years) |
| SSD | Medium | High | High<br>(
2
0+ years) |
| SSD | Medium | High | High<br>(
1
0+ years) |
| SD/eMMC | High | Medium-Low | Short<br>(1-2 years)|
| Cloud | - | Internet Speed | Infinite |
| Bluray | Low | Medium (RO) | Extreme (100+ years) |
| Cloud | - | Depends* | Infinite* |
---
##
SBC ARM
/Router
##
ARM SBC
/Router
<div style="display: block; margin: 0 auto">
<img src="assets/rpi4.jpg" style="max-width: 27%">
...
...
@@ -605,7 +606,7 @@ apk:
* Cost: 20-100€
* Computing power: Medium-Low
* Storage: scarce/decent
* Power consumption:
> 10
W
* Power consumption:
5-15
W
---
...
...
@@ -625,7 +626,7 @@ apk:
* 1-3 have usb ports behind a hub
* 1-3 have ethernet behind an usb adapter<br>(guess where it is attached?)
* Wifi
tends to be very crappy
with
out
* Wifi
/BT share an antenna, better result achievable
with
an u.FL connector and a proper antenna
* Computing power is generally lower than
competitors for the same price point
...
...
@@ -645,7 +646,7 @@ apk:
* Cost: 50-200€
* Computing power: Medium-High
* Storage: usually quite decent
* Power consumption:
1
0-50W
* Power consumption:
2
0-50W
---
...
...
@@ -672,7 +673,7 @@ apk:
---
#
# Is there such a thing a too much hardware?
# Is there such a thing a
s
too much hardware?
---
...
...
@@ -723,7 +724,7 @@ How do we connect to the internet?
<img src="assets/fiber.jpg" style="max-height: 30%" />
* New technology used for FTTH (1 G
B
/s internet)
* New technology used for FTTH (1 G
b
/s internet)
* There is a direct optical link between the end user and the ISP
* Since the transmission is optical, no interference!
* Optic fiber crimping has some tooling costs (~200€)
...
...
@@ -739,7 +740,7 @@ How do we connect to the internet?
A ONT is a device that bridges a fiber link to ethernet
(allowing us to use any device we want as a router)
AFAIK there is no
ONT with OpenWRT support
There are only couple of
ONT
s
with
WIP
OpenWRT support
---
...
...
@@ -770,7 +771,7 @@ to a mundane wifi router
At the end of 2018 the AGCOM (italian telecomunications agency) approved
a set of rules that forces ISPs to provide appropiate means to allow consumers
to choose their own router (ONT are still part of the ISP's network)
to choose their own router (ONT
s
are still
considered
part of the ISP's network)
Obtaining the various settings for connecting to the ISP's network varies
by difficulty and amount of call centers you have to contact based on the ISP you pick
_(there was also a clause that allowed consumers to have a vendor-neutral firmware
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
.
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment