September, 2004 Kazunori Sugiura / Shunsuke Fujieda Upgrading USP Upgrading USP N N et et Kaz and Kuma Kaz and Kuma Kazunori Sugiura, Ph D (KAZ) Kazunori Sugiura, Ph D (KAZ) Shunsuke Fujieda (KUMA) Shunsuke Fujieda (KUMA) ( ( [email protected][email protected][email protected][email protected]) (September, 2004) (September, 2004) September, 2004 September, 2004 Kazunori Sugiura / Shunsuke Fujieda Outline Outline Motivation Motivation of upgrading infrastructure of upgrading infrastructure Current USPNet situation and consideration Current USPNet situation and consideration Switching to IP based environment Switching to IP based environment Broadband connectivity Broadband connectivity Remote sites Remote sites Satellite connection ( Gilat solution ) Satellite connection ( Gilat solution ) Consideration on IP aware services Consideration on IP aware services IP telephony IP telephony Video and audio conference systems Video and audio conference systems Priority control, Multicast Priority control, Multicast Resources and milestones Resources and milestones Milestones Milestones Human and equipment resource consideration Human and equipment resource consideration
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Resources and milestonesResources and milestonesMilestonesMilestonesHuman and equipment resource considerationHuman and equipment resource consideration
Combining short and middle solutionCombining short and middle solutionWe will have effective upgrade with We will have effective upgrade with more profits. = new eramore profits. = new era
Motivations of UpgradesMotivations of UpgradesTechnological viewTechnological view
To implement stable and broadband network connectivity withTo implement stable and broadband network connectivity withBroadband capabilityBroadband capabilityScalabilityScalabilitystability stability
For educational and research viewFor educational and research viewIntellectual contents worldIntellectual contents world--wide are digital and IP encapsulatedwide are digital and IP encapsulated
Access via Internet is the prerequisite conditionAccess via Internet is the prerequisite conditionThe fastest and confidential way of sharing knowledgeThe fastest and confidential way of sharing knowledge
Environment for intellectual activities requires:Environment for intellectual activities requires:Stable Internet accessStable Internet accessFast Internet accessFast Internet accessScalable Internet accessScalable Internet access
Administration viewAdministration viewMore flexible and better communication infrastructureMore flexible and better communication infrastructure
With faster accessibilityWith faster accessibilityScalable communications, conference systemsScalable communications, conference systems
Broadband solutionBroadband solutionConnection to WorldConnection to World--wide R&E wide R&E Network(AARNETNetwork(AARNET))
Efficient utilization in use of network bandwidthEfficient utilization in use of network bandwidthUpgrade with Upgrade with stabilitystabilityConsider Consider LifeLifetime time of an upgrade ( 3 of an upgrade ( 3 -- 5 years )5 years )
155Mbps external connection155Mbps external connectionBroadbandBroadband--aware applicationaware applicationVideo and audio to external connectionVideo and audio to external connection
Why Current USP is so Tight?Why Current USP is so Tight?
InIn--efficient use of bandwidthefficient use of bandwidthFrequency bandwidth allocationFrequency bandwidth allocationPointPoint--toto--point link (Link)point link (Link)
Mixed technologyMixed technologyDifferent link in different mediaDifferent link in different media
Telephone Telephone ------ PABX in V.35PABX in V.35Polycom Polycom ------ V.35 interface connectionV.35 interface connectionInternetInternet
Using dedicated circuit designUsing dedicated circuit design
Design: 3 patterns Design: 3 patterns Point to Point Link ( Traditional system )Point to Point Link ( Traditional system )
Individual link connects two earth stations biIndividual link connects two earth stations bi--directionallydirectionally
UniUni--directional Linkdirectional LinkDedicated sender with countless receiversDedicated sender with countless receivers
DVBDVB--RCSRCSDDigital igital VVideo ideo BBroadcast with roadcast with RReturn eturn CChannel hannel SSystemystemUniUni--directional Link directional Link with narrowband return with narrowband return channelchannel
How are we going to use the network?How are we going to use the network?Service requirement for network Service requirement for network infrastructureinfrastructure
Outgoing Traffics to RemoteOutgoing Traffics to Remote
For a better internet accessibilityFor a better internet accessibilityEffective bandwidth allocation for Effective bandwidth allocation for outgoing traffics for Internet outgoing traffics for Internet applications (WWW, FTP)applications (WWW, FTP)
DVBDVB--RCSRCS
High quality video, and audio from High quality video, and audio from HUB to remote siteHUB to remote site
BiBi--directional video conferencedirectional video conferenceIncoming connection for Internet Incoming connection for Internet applicationsapplications
1 VOIP telephone connection = 32K1 VOIP telephone connection = 32K1 video conference = 128K1 video conference = 128KInternet connection Internet connection
Hub stationHub station16 VOIP telephone connection = 16 VOIP telephone connection = 512K512K10 video multicast transmission =1280K10 video multicast transmission =1280KInternet connection= 512KInternet connection= 512K
DVBDVB--RCS bandwidth flexibilityRCS bandwidth flexibilityCapability in bandwidth allocationCapability in bandwidth allocationScalability in bandwidth utilizationScalability in bandwidth utilization
Technology used in IDUTechnology used in IDUAccess method to communicationAccess method to communication
Consideration of ICT BuildingConsideration of ICT BuildingDigital Media archive serviceDigital Media archive service
CD Quality audio (1.5Mbps)CD Quality audio (1.5Mbps)DVD Quality Video (10Mbps)DVD Quality Video (10Mbps)SD Quality Video (30Mbps)SD Quality Video (30Mbps)
Media conversionMedia conversionRealReal--time MPEG4 stream conversiontime MPEG4 stream conversion
To remote campusTo remote campus
IX (Internet Exchange)IX (Internet Exchange)Possible?Possible?
Research on Islanded Internet infrastructureResearch on Islanded Internet infrastructure