P2PSIP P2PSIP P2P-SIP P2P SIP SIPP2P SIP-P2P SIP P2P

Transcription

1 P2PSIP P2PSIP P2P-SIP P2P SIP SIPP2P SIP-P2P SIP P2P

2 Xché Per brillare di luce riflessa Perché sembra un'alternativa a Skype Per non essere tagliati fuori Per estendere la copertura Perché è una tecnologia di rete (impl. sugli apparati) Per risparmiare sulla tecnologia in rete (impl. sui terminali)

3 SIP Supports: Voice Messaging File Transfer OLD BUSINESS CURRENT BUSINESS Presence Gaming Video

4 Peer-to-peer Il servizio e/o il trasporto sono realizzati dagli utenti P2PSIP Wearable Network Ad-hoc Network Home Network LAN Municipal Network Community Network Transport Distribution Service Distribution

5 P2PSIP INVITE REGISTER INVITE INVITE INVITE REGISTER INVITE

6 Celo celo manca Celo Manca NAT traversal support Interception Media relay discovery QoS Identity Advanced Presence SIP Interworking (Optimization, RLS,...) (RFC3263) Gateway discovery

7 Telecom Italia in P2PSIP (IETF) draft-*-scenarios-00 P2PSIP per abilitare SIP in scenari ostili a server centralizzati (Ad-Hoc Nets, Free Municipal Wireless Nets,...) draft-*-interwork-01 Interworking tra diversi overlay P2PSIP e tra overlay e reti SIP convenzionali Ruoli per provider/operatore: Accesso a Public Identity Media Relay

8 P2PSIP in Service Innovation In Server Farm Per costruire velocemente AS/enablers fault tolerant e scalabili In Autonomic Communications Per l'infrastruttura di comunicazione per le componenti distribuite Per estendere il target dei servizi (es in ad-hoc nets) Per abilitare servizi usa-e-getta Per servizi user-oriented/user-generated in cui il provider fornisce una componente marginale In EU FP7 WP Challenge 1 The network of the future, Service and s/w arch, blah blah...

9 BACKUP

10 Operating and financial performance - Telecom Italia Group Business Units Year 2005 Retail telephone Revenues from the Telephone area, equal to euro 10,095 million, show a reduction of euro 496 million ( 4.7%) compared to This area was marked by a falloff in traffic revenues ( 10%), mainly due to the migration of volumes to the mobile network, besides the impact of regulations on the prices of fixed-mobile terminations. This reduction was limited thanks to the recovery of market share on traffic (+0.6%), the increase in flat-rate plans, which reached 6.3 million, equal to 29% of total accesses, and the growing penetration of innovative handsets (Aladino, Videotelefono and Cordless WI-FI) which arrived at a total of 3,815,000 units (with a growth of 2,260,000 units in 2005). Retail Internet Revenues from the Internet area, equal to euro 1,197 million, grew by 17.2% (+euro 176 million), compared to The increase is due to the growth of ADSL revenues (+euro 247 million; +40.0% compared to 2004). Wireline s portfolio of broadband customers in Italy at December 31, 2005 now totals 5,707,000 (+1,697,000 compared to the end of 2004). Data Business Revenues from the Data Business area, equal to euro 2,107 million, show a overall growth of 6.3% (+ euro 125 million) compared to This increase is especially driven by the strong growth of VAS Data (Web Services and Outsourcing), which rose by euro 111 million (+25.3%) and innovative data transmission services, mainly using XDSL technologies, which are up by 15.7% (+ euro 98 million). European Broadband Project Revenues from the European Broadband Project (France, Germany and Holland), equal to euro 566 million, show a strong increase ( % compared to 2004). The European Broadband Project was given a further boost in growth by the purchase of Liberty Surf Group in France on May 31, The portfolio of broadband customers at December 31, 2005 is now 1,313,000 (+ 893,000 compared to the end of 2004), while total customers, including Narrowband, number 1,791,000. Wholesale Revenues from wholesale services, equal to euro 3,525 million, grew by a total of euro 336 million (+ 10.5%), compared to December National wholesale services account for euro 96 million of the increase and international wholesale services for euro 240 million.

11 A few Data points Bandwidth Usage Sample Mostly P2P 1 Add up Direct Connect, BitTorrent, E-Donkey, Kazaa and WinMX and you will find that astonishing 85% of the outgoing network traffic and 64% of the incoming traffic at Univ of Turun were bits related to peer to peer file sharing applications. 2 P2P Traffic on RCN Cable Network from DSL Reports Forum, Jan 28, % of upstream traffic was being consumed by p2p 3 Ellacoya Networks (a network management firm) P2P accounts for nearly two-thirds of the Internet traffic in Europe and as much as 90 percent in some North American college towns - November 2005