2009年11月29日日曜日

1150万ユーザを抱えるオンラインゲーム、World Of WarcraftをサポートするBlizzard社の事情=>

AT&Tがバックボーンインフラを提供するこのゲーミング環境は、世界中に点在する１０箇所のデータセンタによって支えられる。  次のようなスペックが公表されている。
  • ２万台のサーバで1.3ペタバイトのストレージを使用
  • 内World Of Warcraft向けには、13,250台のサーバブレード、75000台のCPUコア、112.5テラバイトのRAMを割り当て、世界中に点在する、1150万人のユーザをサポート
  • このシステムと世界中に存在するネットワークを68人のスタッフでサポート
グローバルにネットワークを構築し、多数のユーザに対してサービスを提供し、高度な技術で管理をする環境を維持するインフラはゲーム業界独特なアプリケーションとは言え、非常に興味深い世界である、といえる。
 
これをクラウドというかどうかは別として、クラウド関係者から関心を寄せられているのは確か。
 

WoW's Back End: 10 Data Centers, 75,000 Cores

November 25th, 2009 : Rich Miller

wow-logo

It takes a lot of resources to host the world's largest online games. One of the largest players in this niche is Blizzard, which operates World of Warcraft and the Battle.net gaming service for its Starcraft and Diablo titles. World of Warcraft (WoW) is played by more than 11.5 million users across three continents, requiring both scale and geographic scope.

Blizzard hosts its gaming infrastructure with AT&T, which provides data center space, network monitoring and management. AT&T, which has been supporting Blizzard for nine years, doesn't provide a lot of details on Blizzard's infrastructure. But Blizzard's Allen Brack and Frank Pearce provided some details at the recent Game Developer's Conference in Austin. Here are some data points:

  • Blizzard Online Network Services run in 10 data centers around the world, including facilities in Washington, California, Texas, Massachusetts, France, Germany, Sweden, South Korea, China, and Taiwan.
  • Blizzard uses 20,000 systems and 1.3 petabytes of storage to power its gaming operations.
  • WoW's infrastructure includes 13,250 server blades, 75,000 CPU cores, and 112.5 terabytes of blade RAM.
  • The Blizzard network is managed by a staff of 68 people.
  • The company's gaming infrastructure is monitored from a global network operating center (GNOC), which like many NOCs, features televisions tuned to the weather stations to track potential uptime threats across its data center footprint.

The AT&T Gaming Core Team was formed in 2004 to host gaming operations using AT&T's IP network. The team consists of engineers and hosting specialists who provide round-the-clock support to companies offering MMO games.

For more on the specialized niche for game hosting, see Virtual Goods and the Cost of Infrastructure, Second Life and the Scalability of Online Games and Engineering Everquest.

For additional information on Blizzard's recent discussions of its infrastructure, see Gamespot, Gamasutra and ComputerWorld.

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