Autosave: 2025-03-02 15:06:43

neuron/5607f042-29e2-4baf-8022-e34dadc3ad0f/Transport_Layer_of_Internet_Protocol.md

@@ -6,11 +6,10 @@ created: Tuesday, September 03, 2024
 # Transport Layer of the Internet Protocol
 
 Transport Layer protocols provide a communications channel for data to be sent
-between hosts. The Transport Layer is dependent upon the
-[Internet Layer](Internet_Layer_of_Internet_Protocol.md) for addressing and
-routing the data and the
-[Link_Layer_of_Internet_Protocol](Link_Layer_of_Internet_Protocol.md) for
-transferring the data to a specific host once it has reached the local network.
+between hosts. The Transport Layer is dependent upon the [Internet
+Layer](./Internet_Layer_of_Internet_Protocol.md routing the data and the
+[Link_Layer_of_Internet_Protocol](static/Link_Layer_of_Internet_Protocol) for
+transferring the data to a specifichost once it has reached the local network.
 
 The protocol governing the Transport Layer is the **Transmission Control
 Protocol** (TCP).

neuron/5607f042-29e2-4baf-8022-e34dadc3ad0f/a0ab0bfb_network_layer_clarification.md

@@ -0,0 +1,30 @@
+---
+tags: [networks, internet]
+created: Sunday, March 02, 2025
+---
+
+# a0ab0bfb_network_layer_clarification
+
+I have difficulty understanding the places at which the different layers of the
+TCP/IP model of the Internet reside and their spatiality in terms of the overall
+system. These are some clarifying remarks.
+
+All layers exist on every device involved in the communication process. But not
+all layers are accessed by every device in the overall transaction.
+
+> While the entire encapsulated packet travels across the internet, different
+> devices interact with different layers of that packet based on their role in
+> the network.
+
+The server and client access data at all layers:
+
+- [Application](Application_Layer_of_Internet_Protocol.md)
+- [Transport](Transport_Layer_of_Internet_Protocol.md)
+- [Internet](Internet_Layer_of_Internet_Protocol.md)
+- [Link](Link_Layer_of_Internet_Protocol.md)
+
+This is because the data must be composed on the device, a route planned and
+then sent accross the network where it is processed at the local network layer.
+
+Routers however only care about routing the data, forwarding packets based on
+their IP addresses, they only process data up to the Internet Layer.

neuron/5607f042-29e2-4baf-8022-e34dadc3ad0f/b01fd836_Transport_Layer_clarification.md

@@ -0,0 +1,18 @@
+---
+tags: [networks, internet]
+created: Sunday, March 02, 2025
+---
+
+# b01fd836_Transport_Layer_clarification
+
+The Transport Layer is a _logical_ representation of the connection between two
+hosts on the Internet. It does not include the entire path (through various
+routers) from source to destination. This detail is assumed and is the concern
+of the Internet Layer - the next layer down.
+
+When applications communicate accross via TCP they "perceive" a simple direct
+connection however this abstracts the fact that the data may:
+
+- be split into dozens of packets
+- travel through different physical pathways and different routers
+- face congestion, packet loss and network failure.

neuron/5607f042-29e2-4baf-8022-e34dadc3ad0f/index.md

@@ -13,12 +13,15 @@ computer science.
 
 <a href="https://thomasabishop.github.io/eolas/tags">View tags</a>
  
-**Build ID:** 4d2bba6b-63bd-4db1-a13f-46d124ed7b38
+**Build ID:** 5607f042-29e2-4baf-8022-e34dadc3ad0f
 
-**Published:** Thu 27 Feb 2025 18:27:42
+**Published:** Sun 02 Mar 2025 15:06:38
 
 ### Recent edits 
 
+- [[a0ab0bfb_network_layer_clarification]] 
+- [[b01fd836_Transport_Layer_clarification]] 
+- [[Transport_Layer_of_Internet_Protocol]] 
 - [[HTTPS]] 
 - [[How_tunneling_works_with_VPNs]] 
 - [[Network_tunnels]] 
@@ -31,9 +34,14 @@ computer science.
 - [[Disable_non-root_ssh_access]] 
 - [[Setup encrypted harddrive]] 
 - [[Disk_size_utilities]] 
+- [[Let's_Encrypt]] 
+- [[Certificate_authorities]] 
+- [[Bash_colour_output]] 
+- [[e383b8b3_nginx_vs_traefik]] 
+- [[Proxies]] 
 
 
-### All notes (535) 
+### All notes (537) 
 
 - [[0716531c_rewilding_the_internet]] 
 - [[241fe1a3_the_Web_versus_modem_BBSs]] 
@@ -545,9 +553,11 @@ computer science.
 - [[Writing_to_files_in_Python]] 
 - [[Zero_property_of_multiplication]] 
 - [[Zip_function_in_Python]] 
+- [[a0ab0bfb_network_layer_clarification]] 
 - [[a247fa9b_surveillance_capitalism_not_necessary]] 
 - [[a4601796_trapdoor_functions]] 
 - [[a771a6d9_attributes_of_internet_enclosure]] 
+- [[b01fd836_Transport_Layer_clarification]] 
 - [[bbdcb54f_public_key_cryptography]] 
 - [[c301a0b3-1d8_Mosaic_Netscape_and_Browser_Wars]] 
 - [[c8173d17_TIMPs]] 

neuron/5607f042-29e2-4baf-8022-e34dadc3ad0f/tags.md

@@ -452,10 +452,12 @@ unlisted: true
 - [[4da22434_from_ARPANET_to_Internet]] 
 - [[4dec6fe0_shadow_text]] 
 - [[82f9c228_dissolution_of_ARPANET]] 
+- [[a0ab0bfb_network_layer_clarification]] 
 - [[a247fa9b_surveillance_capitalism_not_necessary]] 
 - [[a771a6d9_attributes_of_internet_enclosure]] 
 - [[Application_Layer_of_Internet_Protocol]] 
 - [[Architecture_of_the_World_Wide_Web]] 
+- [[b01fd836_Transport_Layer_clarification]] 
 - [[c9d7492f_requerimiento]] 
 - [[cfbef1c4_web_precursors]] 
 - [[Example_scenario_internet_data_transfer]] 
@@ -675,7 +677,9 @@ unlisted: true
 
 - [[385af4b4_Baran_distributed_networks]] 
 - [[653c0b1d_host_protocols_of_ARPANET]] 
+- [[a0ab0bfb_network_layer_clarification]] 
 - [[Application_Layer_of_Internet_Protocol]] 
+- [[b01fd836_Transport_Layer_clarification]] 
 - [[Bluetooth]] 
 - [[c8173d17_TIMPs]] 
 - [[Certificate_authorities]] 

zk/Transport_Layer_of_Internet_Protocol.md

@@ -6,11 +6,10 @@ created: Tuesday, September 03, 2024
 # Transport Layer of the Internet Protocol
 
 Transport Layer protocols provide a communications channel for data to be sent
-between hosts. The Transport Layer is dependent upon the
-[Internet Layer](Internet_Layer_of_Internet_Protocol.md) for addressing and
-routing the data and the
-[Link_Layer_of_Internet_Protocol](Link_Layer_of_Internet_Protocol.md) for
-transferring the data to a specific host once it has reached the local network.
+between hosts. The Transport Layer is dependent upon the [Internet
+Layer](./Internet_Layer_of_Internet_Protocol.md routing the data and the
+[Link_Layer_of_Internet_Protocol](./Link_Layer_of_Internet_Protocol) for
+transferring the data to a specifichost once it has reached the local network.
 
 The protocol governing the Transport Layer is the **Transmission Control
 Protocol** (TCP).

zk/a0ab0bfb_network_layer_clarification.md

@@ -0,0 +1,30 @@
+---
+tags: [networks, internet]
+created: Sunday, March 02, 2025
+---
+
+# a0ab0bfb_network_layer_clarification
+
+I have difficulty understanding the places at which the different layers of the
+TCP/IP model of the Internet reside and their spatiality in terms of the overall
+system. These are some clarifying remarks.
+
+All layers exist on every device involved in the communication process. But not
+all layers are accessed by every device in the overall transaction.
+
+> While the entire encapsulated packet travels across the internet, different
+> devices interact with different layers of that packet based on their role in
+> the network.
+
+The server and client access data at all layers:
+
+- [Application](./Application_Layer_of_Internet_Protocol.md)
+- [Transport](./Transport_Layer_of_Internet_Protocol.md)
+- [Internet](./Internet_Layer_of_Internet_Protocol.md)
+- [Link](./Link_Layer_of_Internet_Protocol.md)
+
+This is because the data must be composed on the device, a route planned and
+then sent accross the network where it is processed at the local network layer.
+
+Routers however only care about routing the data, forwarding packets based on
+their IP addresses, they only process data up to the Internet Layer.

zk/b01fd836_Transport_Layer_clarification.md

@@ -0,0 +1,18 @@
+---
+tags: [networks, internet]
+created: Sunday, March 02, 2025
+---
+
+# b01fd836_Transport_Layer_clarification
+
+The Transport Layer is a _logical_ representation of the connection between two
+hosts on the Internet. It does not include the entire path (through various
+routers) from source to destination. This detail is assumed and is the concern
+of the Internet Layer - the next layer down.
+
+When applications communicate accross via TCP they "perceive" a simple direct
+connection however this abstracts the fact that the data may:
+
+- be split into dozens of packets
+- travel through different physical pathways and different routers
+- face congestion, packet loss and network failure.