1 / 14

Amr A. Awadallah Mendel Rosenblum {aaa,mendel}@cs.stanford

The vMatrix : Equi-Ping Game Server Placement For Pre-Arranged First-Person-Shooter Multiplayer Matches IEEE/ACS AICCSA’2006. Amr A. Awadallah Mendel Rosenblum {aaa,mendel}@cs.stanford.edu. Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006. Lag Sensitivity of Online Games:.

moshe
Télécharger la présentation

Amr A. Awadallah Mendel Rosenblum {aaa,mendel}@cs.stanford

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The vMatrix: Equi-Ping Game Server Placement For Pre-ArrangedFirst-Person-Shooter Multiplayer MatchesIEEE/ACS AICCSA’2006 Amr A. AwadallahMendel Rosenblum{aaa,mendel}@cs.stanford.edu Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  2. Lag Sensitivity of Online Games: Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  3. The Problem: Unfair Lag 30ms Game Server 130ms Clan A Clan B Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  4. The Solution: Equi-Ping Server Virtual Game Server in VM VMM Real Machine 80ms 80ms Clan A Clan B Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  5. MySQL, Apache OS2: Linux Virtual Machine 2:vCPU, vMem, vDisk, vNet Virtual Machine Monitors Oracle, IIS OS1: Windows 2000 Virtual Machine 1:vCPU, vMem, vDisk, vNet Virtual Machine Monitor Real Machine (CPU, Memory, Disks, Network) Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  6. Screenshot from Halo PC: Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  7. Live Demo of VMware player: Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  8. What is The vMatrix? Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  9. The vMatrix! A network for delivering virtual machines (VMs) between real machines (RMs) running the virtual machine monitor (VMM) software. Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  10. Advantages: • Equi-ping placement of game servers to minimize round-trip-time difference between participants • Backward compatibility leading to zero cost for converting existing • Economies of scale: this network can be shared among many games Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  11. Equi-ping placement problem • Red dots are servers, green dots are players, we need to pick the Red dot that is equi-distant from all players. Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  12. Equi-ping placement Algorithm S = set of m servers available to host the match. P = set of n players participating in this match. RTTs,p = round-trip-time (ping) from server s to player p The Algorithm has 3 main steps: 1. Disregard all servers that have any RTTs,p larger than 180ms • For each server s we compute a closeness factor Cs representing the average differential ping between the players if server s is picked: • Pick the server with smallest Cs The order of complexity of this algorithm is O(n2m) ≈ O(m) since m»n Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  13. Halo PC Game Server (278MB) Operating System: Windows XP (1.8GB) Virtual Machine exposes a PIII-550MHz with 512MB RAM and 5.5GB hard disk. VMware ESX VMM Server (consumes 184MB RAM, 3.5GB hard disk and 5% CPU) Real Machine (PIII-550MHz, 640MB RAM, 9GB hard disk) Experience: Halo PC server placement Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

  14. Conclusion Equi-ping server placement is very important for fairness of online FPS games. The vMatrix is a practical backward-compatible solution for solving this problem today. Stanford University – Computer Systems Lab – IEEE/ACS AICCSA’2006

More Related