data center networking –server load balancing –server offload (ssl/http compression) wan...
Post on 19-Dec-2015
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• Data Center Networking– Server Load Balancing– Server Offload (SSL/HTTP Compression)
• WAN Optimization– Caching– Compression– TCP Optimization
• Global Data Center Networking• Virtual Private Networks
– TDM Circuit– MPLS LSP– IPSec– SSL
Networking Segments
Service Provider
(L3 Routing)
• Telcos• Cable
Enterprise
(L2 Switching)
• Business• University
Evolved into Data Center Networking
Single Data Center HTTP Requests
Clients
ServerFarmServer
LoadBalancer
IntermediateName Server
LocalNameServer
AuthoritativeName Server
HTTPS + Compression
Basic HTTP Transaction
LAN WAN DC
SYN
SYN/ACK
ACK
HTTP GET
HTTP GET
HTTP GET
Response
Response
Response
WAN Optimized HTTP Requests
Clients
ServerFarmServer
LoadBalancer
IntermediateName Server
AuthoritativeName Server
LocalNameServer
Cache
CachePrefetch
TCP Connection
HTTPS + Compression
WAN Optimization
LAN WAN DC LAN WAN DC
Prefectch
CachedResponses
SYN
SYN/ACK
ACK
HTTP GET
HTTP GET
HTTP GET
Response
Response
Response
Multi-Data Center HTTP Request
Clients
Clients
Local Name Server IntermediateName Server Authoritative
Name Server
Global ServerLoad Balancer
IntermediateName Server
AuthoritativeName Server
Global ServerLoad Balancer
ServerLoadBalancer Server
Farm
ServerLoadBalancer Server
Farm
Local Name Server
Data Center Load Balancing
Web Servers
ISP-1 ISP-2
Database Servers
PIX™
FirewallPIX™
Firewall
Secure ContentAccelerator
Content Switch Content Switch
Secure ContentAccelerator
Virtual Private Networks
Address Privacy
(i.e. Virtual Network)
• ATM• Frame Relay• MPLS
Data Privacy
(i.e. Encryption)
• IPSec• SSL
Single Service Provider Network
Global ServerLoad Balancer
ServerLoadBalancer Server
Farm
Global ServerLoad Balancer
ServerLoadBalancer Server
Farm
Global ServerLoad Balancer
ServerLoadBalancer Server
Farm
Client A
Client B
Client C
DataCenter D
DataCenter E
DataCenter F
AS 2CE CE
PE PE
Single Service Provider Scenario
P
OSPF w/ MPLS RIPRIP
SRC IPDST IP
SRC IPDST IP
LDPLabel
SRC IPDST IP
LDPLabel
SRC IPDST IP
IPSec/SSL
IPSec or ATM/FR/PW
SRC IPDST IP
DLCIVPI/VCIPW Label
SRC IPDST IP
DLCIVPI/VCIPW Label
SRC IPDST IP
DLCIVPI/VCIPW Label
SRC IPDST IP
AS 1 AS 3
CE CE
PEPEASBR ASBR
Inter-AS Scenario
PP
RIP RIP
EBGP w/ MPLS
?
SRC IPDST IP
SRC IPDST IP
SRC IPDST IP
VPNLabel
LDPLabel
SRC IPDST IP
VPNLabel
LDPLabel
SRC IPDST IP
VPNLabel
IPSec/SSL
IPSec or ATM/FR/PW
OSPF w/ MPLS OSPF w/ MPLS
LDPLabel
LDPLabel
AS 1
AS 2
AS 3
CE CE
PEPE CSC-CE
CSC-PE
CSC-CE
CSC-PE
Carrier-Serving-Carrier Scenario
P
PP
SRC IPDST IP
SRC IPDST IP
VPNLabel
LDPLabel
SRC IPDST IP
SRC IPDST IP
VPNLabel
SRC IPDST IP
VPNLabel
VPNLabel
RIP RIP
EBGP w/ MPLS
OSPF w/ MPLS OSPF w/ MPLS?