"Basic HIP Extensions for Traversal of Network Address Translators", Miika Komu, Tom Henderson, Philip Matthews, Hannes Tschofenig, Ari Keraenen, 14-Jul-08. ( bytes)

The Host Identity Protocol (HIP) provides a new namespace that can be used for uniquely identifying hosts. Existing HIP experimental specifications do not specify protocol operations across Network Address Translators (NATs). This document specifies basic NAT traversal extensions for HIP. The HIP shim layer is located between the network and transport layer, the extensions can also provide a more general-purpose NAT traversal support for higher-layer networking applications. The extensions are based on the use of the The Interactive Connectivity Establishment (ICE) methodology to discover a working path between two end-hosts.

"Basic Socket Interface Extensions for Host Identity Protocol (HIP)", Miika Komu, Tom Henderson, 14-Jul-08. ( bytes)

This document defines extensions to the current sockets API for Host Identity Protocol (HIP). The extensions focus on the use of public- key based identifiers discovered via DNS resolution, but define also interfaces for manual bindings between HITs and locators. With the extensions, the application can also support more relaxed security models where the communication can be non-HIP based, according to local policies. The extensions in document are experimental and provide basic tools for futher experimentation with policies.

"Using the Host Identity Protocol with Legacy Applications", Tom Henderson, Pekka Nikander, Miika Komu, 7-Jul-08. ( bytes)

This document is an informative overview of how legacy applications can be made to work with the Host Identity Protocol (HIP). HIP proposes to add a cryptographic name space for network stack names. From an application viewpoint, HIP-enabled systems support a new address family of host identifiers, but it may be a long time until such HIP-aware applications are widely deployed even if host systems are upgraded. This informational document discusses implementation and Application Programming Interface (API) issues relating to using HIP in situations in which the system is HIP-aware but the applications are not, and is intended to aid implementors and early adopters in thinking about and locally solving systems issues regarding the incremental deployment of HIP.

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