Web
web architecture 👍
client-server
request-response
client
thin client
thick (fat) client
utility apps, online games
protocal
http
http push
ajax long polling
web sockets
messaging
chat applications
real-time social streams
massive multi player games
runs over tcp
bi directional
html 5 event source & Server sent events(SSE)
message queues
streaming over http
large images, videos
conecpts
persistent connection
heart beat interceptors
ttl
http pull
http requests
verbs
get
put
patch
delete
post
rendering
client side rendering
browser engine
rendering engine
java script interpreter
net working & ui backend
storage
server side rendering
DNS
DNS recursive name server
Root name server
top level domain name server
authoritative name server
load balancing ✅
types
software load balancing
DNS load balancing
hard ware load balancing
algorithms
round robin & weighted round robin
least connections
random
caching
strategies
cache aside
write through
read through
write back
cookie
tracking
authentication
protection against csrf
status codes
100-199 (informational)
200-299(success)
300-399(redirection)
400-499(client errors)
500-599(server errors)