AmmanTT - Lessons learned in building jawaker

El-Kol Bil3ab
Amman Tech Tuesdays “Gaming Edition” – August 3rd

Jawaker is an online multiplayer cards gaming website,
with a focus on the social aspect.

Social Aspect
In-Game Chat
Friends List
One-on-One Chat
Private Games
Competitions
Facebook Integration

Being the Police
Users expect you to police everything
Flagging and Complaining System
Automatic Filtering System

Understand User and Get Feedback
Ranking System
Tokens System
Took a lot of work
Took almost no work
We expected users to care
We expected users not to care
Users loved it without really understanding it
Users weren't interested

Revenue Channels
Jawaker Basha (Freemium Model)
Advertisements
Virtual Goods

Scalability

What do you mean?
Scalability: The ability to handle a growing amount of traffic.
Realtime multiplayer gaming websites need to push updates to users fast
Web not originally designed for that

Lesson 1: Multiple Connection Method
Polling
Long Polling
Raw TCP (aka Comet)

Lesson 2: Separate into Processes
Advantages:
Engine
Can move a component to a new server
Web
Can make copies of a component
…
Orthogonality of code and better maintainability
Mux

Lesson 3: Communicate Asynchronously
Engine
..
..
Web
Mux

Lesson 4: Cache, Cache, Cache…
On many levels, like:
Database Query
Part of a View
A Whole Page
Client-Side in Javascript

Lesson 5: Collect Live Stats
Very useful! Can be:
System Related (such as the System Load, IO delays, Network Traffic)
Application Related (such as Queue Length, Running Time (of some selected procedures), Lags in Schedulers)
Client-Side (such as Ping Times to Server, Occurrence of (selected) Events)

Thank you!

هل تأثرت تجربتك باللعب على الانترنت بسبب بطء سرعة الانترنت؟Have your online gaming experience got affected by slow bandwidth?
نعم
لا
1. Yes
2. No
للتصويت، الرجاء ارسال ما يلي باستخدام تويتر:
Please vote using twitter as follows:
[CHOICE NUMBER] #TTGE3 #AmmanTT
e.g. (1 #TTGE3 #AmmanTT)

AmmanTT - Lessons learned in building jawaker

by Amman Tech Tuesday on Aug 04, 2010

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