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(30)WANLAN

(10)

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2002 2006 2011

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1,894201403

&

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(GREE Platform)

GREE

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(B to B )

GREE

The Internet

InternetAPI

API Server

Game Server

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WAN

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1. 2.

WAN

transit public-peer

OSPF/BGP

WAN

Border Router

Core Router

Rack Switch

Server

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WAN()

1.

2.

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WAN()

1.

2.

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DCAS

WAN()AS

transit1 public-peer

OSPF/BGP Border Router

Core Router

transit1

Static Route Border Router

Core Router

transit1 transit2

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2Flow(netflow,sflow)Log

Platform

WAN()

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WAN()

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GREE

A

WAN()

API

B()Internet

B

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GREE

A

WAN()

HostingPrivatePeer

Transit

B

Private Peer

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WAN()

TransitPrivate PeerBefore After

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WAN()

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2.

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1.2.(RFC)BGP,OSPF,VRRP

WAN()

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WAN()

LinkState(OSPF)BFD(BPG,OSPF)Timer(BGP,VRRP)

TimerTimerBFD

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WAN()

CPUTraffic

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WAN()

CPUTrafficCPUUSAGE

MemoryMacAddressTableArpTableIPv6

WAN

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Full Route

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WAN

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2.

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LAN

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LAN

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LAN

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LAN()

1

3

2

4

5

7

6

8

LB

Server1

Server2

Server3

P2P

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RTT

Traffic

PacketDrop

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RTTLAN

TrafficTrafficUSAGE70%

PacketDropDiscardBufferOver

LAN()

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LAN()

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2.

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WANMaker(Ring/Fabric)

Maker

GARP

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LAN

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Perfumance(DC)

Layer

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Perfumance

PerfumancePerfumanceBCP

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