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-# map-the-internet
+# Map the Internet (MTI)
 
-A project that is designed to scrape the internet to create a visualization of the internet.
\ No newline at end of file
+A project that is designed to scrape the internet to create a visualization of the internet.
+
+## How does it work?
+![A diagram depicting how the workers communicate with the server](static/diagram.png?)
+
+The process of mapping the internet is fairly simple:
+1. The server assigns a worker a domain/list of paths to index.
+2. The worker goes through each page of respecting robots.txt.
+3. The worker makes a list of all a tags which link to an external domain.
+4. The list is sent to the server which compares each external domain to its database.
+
+The process operates in 3 stages:
+1. Initial Stage/Exponential Growth - The number of new domains is much greater than the existing domains. 
+2. Saturation Stage - The number of new domains is lower than the amount of existing domains.
+3. Rescanning Stage - Existing domains are periodically rescanned looking for new links.
+
+## MTI Worker Protocol (MTIWP) Specification
+MTIWP is a TCP-based binary application layer protocol used to communicate between the workers and coordination server. 
+
+The packet is made up of the following fields:
+- Version (2 Bytes)
+- Worker ID (6 Bytes)
+- Timestamp (8 Bytes)
+- Method (1 Byte)
+- Payload Length (2 Bytes)
+- Payload (0-65535 Bytes)
+
+Valid Methods:
+- ACK (0x00)
+- Ping (0x01)
+- Pong (0x02)
+- Hello (0x03)
+- Index (0x04)
+- Cancel (0x05)
+- Summary (0x06)
+
+Further Detail Goes Here
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