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Access Link Intermediaries Assisting Services (alias) BOF. Chairs: Kevin Fall (kfall@intel-research.net) Hui-Lan Lu (huilanlu@lucent.com). Goals. Further clarify the problems previously discussed at INTERSEC and TRIGTRAN BOFs Work toward a charter. Agenda. Introduction and agenda bashing
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Access Link Intermediaries Assisting Services (alias) BOF Chairs: Kevin Fall (kfall@intel-research.net) Hui-Lan Lu (huilanlu@lucent.com)
Goals • Further clarify the problems previously discussed at INTERSEC and TRIGTRAN BOFs • Work toward a charter
Agenda • Introduction and agenda bashing • A brief history, Area Directors, 5 min. • INTERSEC perspective, T. Woo, 15 min. • TRIGTRAN perspective, S. Dawkins, 15 min. • Open discussion (WG charter…) • Wrapping up
Tentative Charter • Develop the framework and protocols for providing “opaque” intermediary services to mitigate effects caused by problematic (access) links, wireline or wireless • Address secure interactions among intermediaries and endpoints and response to changing link conditions • Define a solution that minimizes impact on end-to-end security and encompasses means for invocation, authentication, authorization, and delivery of intermediary services
Intermediary Services • Transport trigger notification • Performance enhancement (which may be invoked in response to transport trigger notification) • Ingress packet filtering (e.g., DoS prevention) • QoS support • …
Related Work • Working Groups • Open Pluggable Edge Services (opes) • Middlebox Communication (midcom) • Next Steps in Signaling (nsis) • IP Security Protocol (ipsec) • Performance Implications of Link Characteristics (pilc) • Securing Neighbor Discovery (send) • RFCs • RFC 3135 - Performance Enhancing Proxies Intended to Mitigate Link-Related Degradations • RFC 3424 - IAB Considerations for UNilateral Self-Address Fixing (UNSAF) Across Network Address Translation • RFC 3238 - IAB Architectural and Policy Considerations for Open Pluggable Edge Services • RFC 3234 - Middleboxes: Taxonomy and Issues
Tentative Deliverables • Problem statement and use cases • Supported intermediary services and their characteristics • Services performed with knowledge and consent of endpoints • Transport trigger set • Change of intermediary due to handoff, load balance, or fail over • … • Threat analysis and security considerations • IPsec considerations and applicability • Architectural framework • Protocol(s)
Useful Information • MAILING LIST: alias@mailman.berkeley.intel-research.net • TO JOIN: http://mailman.berkeley.intel-research.net/mailman/listinfo/alias • READING: • draft-blumenthal-intermediary-transport-00.txt • draft-dawkins-trigtran-framework-00.txt • draft-dawkins-trigtran-probstmt-01.txt • draft-dawkins-trigtran-linkup-00.txt