… WDM-PON structure to simultaneously support wired, wireless and optical VPN services. The
… be used in next-generation PON to provide flexible and various services to the end users. …

… In this paper, we propose and investigate a new VPN scheme, which can be integrated in
original WDM-PON for proof of concept. Here, the presented WDM-PON can not only use …

… device technologies for WDM-PONs and network architectures, as well as the corresponding
protocols and services that may be deployed on a WDM-PON. The WDM-PON will become …

… We propose an all-optical virtual private network (VPN) system in an … PON systems such
as TDM, WDM and TWDM, as the RSOA having colorless characteristic is used for the VPN …

… Figure 1.25 shows a brief evolution of a broadband multiservice network and the development
of different application and services from VoIP, VPN (virtual private vetwork), VoD to many …

… optical VPN service is supposed to be as close as possible to an optical private line service,
… 20a shows the architecture of the two-stage TDM/WDM PON with all-optical VPN based on …

… VPN schemes have been investigated in wavelength division multiplex PON (WDM-PON)
[1]… Different from previous all-optical VPN scheme in OFDM-PON, our proposed scheme …

… been made to implement optical VPN communications in PON systems [8-9]. Ref… VPN in a
wavelength division multiplexing (WDM) PON was proposed, which flexibly converted the VPN …

… , a cost-effective all-optical virtual private network (VPN) system is proposed, for the first time
… -optical VPN system can provide dynamic establishments and cancellations of multiple VPN …

… for VPN users compared to the VPN in WDM-PON or TDM-PON systems. The all-optical VPN
… -PON system are demonstrated. These results verify that the proposed scheme is feasible. …