Title :
On NGN architecture and evolution strategy
Author :
Zeng, Huaxin ; Gao, Yu ; Xia, Yu
Author_Institution :
Sch. of Inf. Sci. & Technol., Southwest Jiaotong Univ., Chengdu
Abstract :
High-speed switching, QoS provisioning, security, and mobility are main challenges faced with existing networks and to be confronted by NGN researchers and developers. This paper promotes a BSF-OES strategy (Backbone Substrate First, Outwards Expansion Second) towards NGN with a redefined out-of-band concept. In other words, we shall first focus on the backbone subnetwork with an emphasis on building a highly efficient, high-speed switching substrate with embedded QoS and Security mechanisms. An "outwards expansion"from the backbone can take place only when further simplification and refinement to control and management platforms are ready for migration. As an example of the first stage development, a framework of SUPA and its key switching technique called EPFTS are presented and smooth migration issues from Internet to SUPANET are also briefly discussed.
Keywords :
Internet; mobile computing; quality of service; telecommunication network management; telecommunication security; Internet; NGN architecture; QoS provisioning; SUPANET; backbone subnetwork; backbone substrate; embedded QoS; high-speed switching substrate; key switching technique; outwards expansion; security mechanisms; Error analysis; IP networks; Internet; Multiprotocol label switching; Next generation networking; Protocols; Security; Spine; Technological innovation; Telecommunication traffic; EPFTS; NGN; Out-of-band Signaling; SUPA;
Conference_Titel :
Innovations in NGN: Future Network and Services, 2008. K-INGN 2008. First ITU-T Kaleidoscope Academic Conference
Conference_Location :
Geneva
Print_ISBN :
978-92-61-12441-0
DOI :
10.1109/KINGN.2008.4542285