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Items for Requirement Definition. 4. VoIP: SIP Enhanced communications Video: SIP, H.323 if easily possible IM, chat: SIMPLE, XMPP Presence, location: SIMPLE, XMPP Web based conferencing/collaboration tools Reachability (finding an endpoint) Routing Identity/authentication Financial
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Items for Requirement Definition 4 • VoIP: SIP • Enhanced communications • Video: SIP, H.323 if easily possible • IM, chat: SIMPLE, XMPP • Presence, location: SIMPLE, XMPP • Web based conferencing/collaboration tools • Reachability (finding an endpoint) • Routing • Identity/authentication • Financial • Roaming • Security (encryption, DoS etc) • Requirements for carriers • Requirements for vendors
5 levels of activity of an NRN regarding VoIP 4 • Network Service provider (bits, lightpath) between carrier and institution • Transport Service provider (IP packets, VPN) between carrier and institution • Session Service provider (SIP) • Application Service provider (end-user service) • Advisory role
Routing options (FCCN) 4 • VoIP inside NRN • Private numbering plan • Public numbering plan • PSTN gateways • Central service by NRN • Distributed by institutions • Local • ‘roaming’ • Interconnect to NRN’s (peering, FW, SBC, proxy) • Internet SIP domains
Quick overview of VoIP status at NRN’s: 4 I CH N PT CZ NL GR NetSP Y TransSP II, CI ‘07 ‘07 ‘07 ‘07 II, CI II SessSP ‘07 II, CI II AppSP ‘07 Y(3) Y(3) Y Advice Y Y Y Y Y Y Y Nrplan pub pub pub pub pub pub pub GWs L ’07 L L ‘07 L,C L • Inter-institution or Carrier-Institution • Only for non-PSTN • Test bed • Central, Local (at institution)