## Ch1  兩個以上的通訊實體 傳送訊息的格式 順序 還有在通訊實體收到或送出要做什麼事         ## ch2 client-server  顧好server就一直都在 但是擴充性較差  穩定性比較低 但是擴充性較好 identifier IP + port number app protocol         根據client端的連線品質選擇傳輸量 
×
Sign in
Email
Password
Forgot password
or
By clicking below, you agree to our
terms of service
.
Sign in via Facebook
Sign in via Twitter
Sign in via GitHub
Sign in via Dropbox
Sign in with Wallet
Wallet (
)
Connect another wallet
New to HackMD?
Sign up