From 32a61fc7412498cd2f9fc424019a8fa5305c6031 Mon Sep 17 00:00:00 2001
From: Stephen C Phillips <steve@scphillips.com>
Date: Wed, 23 May 2018 14:03:39 +0100
Subject: [PATCH] Improves formatting

---
 docs/total-service-request-delay.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/docs/total-service-request-delay.md b/docs/total-service-request-delay.md
index 4a0fc68..bb65512 100644
--- a/docs/total-service-request-delay.md
+++ b/docs/total-service-request-delay.md
@@ -22,12 +22,14 @@ latency = distance / speed
 
 For optical fibre (or even an eletric wire), the speed naively would be the speed of light. In fact, the speed is slower than this (in optical fibre this is because of the internal refraction that occurs, which is different for different wavelengths). According to http://www.m2optics.com/blog/bid/70587/Calculating-Optical-Fiber-Latency the delay (1/speed) is approximately 5 microseconds / km
 
+>>>
 if 
     distance is in m
     delay is in s/m
     latency is in s
 then
     latency = distance * 5 / 1E9
+>>>
 
 (this matches MJB's "propogation_delay" formula)
 
@@ -37,26 +39,32 @@ Normally we would just measure the latency of a link. Most real-life connections
 
 The time difference from start of the data to the end of the data (or "data delay" for want of a better term) is dependent on the bandwidth of the network and the amount of data.
 
+>>>
 if
     data_size is in Bytes
     bandwidth is in Mb/s
     data_delay is in s
 then 
     data_delay = data_size * 8 / bandwidth * 1E6
+>>>
 
 The data_size naively is the size of the data you want to send over the network (call this the "file_size"). However, the data is split into packets and each packet has a header on it so the amount of data going over the network is actually more than the amount sent.
 
+>>>
 let 
     packet_size = packet_header_size + packet_payload_size
 then
     data_size = (packet_size / packet_payload_size) * file_size
 or
     data_size = (packet_size / packet_size - packet_header_size) * file_size
+>>>
 
 ### Total delay
 
+>>>
 delay = latency + data_delay
     = (distance * 5 / 1E9) + {[(packet_size / packet_size - packet_header_size) * file_size] * 8 / bandwidth * 1E6}
+>>>
 
 ### Effect of Protocol
 
-- 
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