the basic problem
DESCRIPTION
ISP. VPN. FR. the basic problem. how do we. customer premises. efficiently. and cost effectively. connect. services. with. long dist. business subscribers. ?. local dial. ISP. VPN. AN-32xx MSAP. AN-32xx MSAP. FR. AN-xx IAD. ATM. multiservice broadband access. - PowerPoint PPT PresentationTRANSCRIPT
the basic problem
business subscribersbusiness subscribers
how do weefficientlyefficiently
and cost effectivelycost effectivelyconnect
servicesserviceswith
?long dist.
local dial
ISP
VPN
FR
customer premises
regional POPMTU or central office
multiservice broadband access
AN-xxIAD
AN-32xxMSAP
long dist.
local dial
AN-32xxMSAP
customer premises
ATM
ISP
VPN
FR
DSL, T1, NxT1
DS-3, OC-3 wireless
multiservice broadband access
AN-xxIAD
AN-32xxMSAP
long dist.
local dial
AN-32xxMSAP
integrated access (IADs)integrated access (IADs)data (Ethernet, serial, frame relay)
voice (analog, digital)
routing, NAT, DHCP, web server, DSS
voice compression
T1 or xDSL trunks
MSAP concentratorMSAP concentratorhigh density
transmission independence (T1, xDSL, DS3)
redundancy
NEBS compliance
MSAP voice gatewayMSAP voice gatewaylocal voice (GR-303)
long distance voice (T1 CAS)
redundancy
NEBS compliance
ATM
ISP
VPN
FR
regional POPMTU (or CO)customer premises
multiservice broadband access
Internet access
local voice over DSL (VoDSL)
data VPN
long distance voice
frame relay access (FRoDSL)
long dist.
ISP
VPN
local dial
AN-32xxMSAP
R AN-xxIAD
AN-32xxMSAP
ATM
FR
objectives:
1. deliver a bundle of services over a single access facility
2. add services dynamicallywith little or no incrementalinfrastructure investment
regional POPMTU (or CO)customer premises
uniform service delivery /varying access topology
long dist.
ISP
VPN
local dial
AN-32xxMSAP
R AN-xxIAD
AN-32xxMSAP FR
ATM
R AN-xxIAD
DSL, “0-mile” T1
T1, NxT1, DS-3
regional POPMTU (or CO)customer premises
customer premises