...provided in the form of a so-called Resource Demanding ServiceEffect Specification (RDSEFF) explained in following paragraphs...component service is modeled as a Resource Demanding ServiceEffect Specification (RDSEFF). Given a component service...
http://www.oracle.com/technology/pub/articles/brosig-wldf.html
...network should be resistant to attacks. An attack from inside a VPN should be contained to that VPN, not having any serviceeffect on the other VPNs. And an attacker should not be able to gain access into other VPNs or into the service...
http://www.paetec.com/downloads/mpls_compare_frame_atm.pdf