X-Bone A system for dynamic internet overlay deployment and management
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X-Bone Description

A system for dynamic internet overlay deployment and management The X-Bone dynamically deploys and manages Internet overlays to reduce configuration effort and increase network component sharing. The X-Bone discovers, configures, and monitors network resources to create overlays over existing IP networks. Overlays are useful for deploying overlapping virtual networks on shared infrastructure and for simplifying topology.The X-Bone extends current overlay management by adding dynamic resource discovery, deployment, and monitoring, and allows network components (hosts, routers) to participate simultaneously in multiple overlays. The X-Bone's two-layer IP in IP tunneled overlays support existing applications and unmodified routing, multicast, and DNS services in unmodified host operating systems. This two-layer scheme uniquely supports recursive overlays and node revisitation, which is critical for dynamic relocation and fault tolerance.NOTE: X-Bone is licensed and distributed under the terms of the BSD License. What's New in This Release: · DNS option: Added option to disable DNS update/lookup on a per-overlay basis when creating overlays. · Added sequence number in UDP control messages to detect duplicate packets. · Removed the constraints on Class C IP addresses, and the number of nodes per overlays. Now the user is free to specify IP address blocks of any netmask length. And the number of nodes in each overlays is only limited by topology and the number of available nodes. · Tunnel Aliasing: Tunnels between the same end points will now be created as aliases of the same tunnel interface (gif for FreeBSD & tunl for Linux) instead of using multiple tunnel interfaces. This eliminates the need to patch the IP-IP tunnel code in both FreeBSD+KAME & Linux. · Support static-route updates using MRTd through the socket interface. · Drop MSIE support. · Better sanity checks on GUI inputs. · Allow multiple OS selections. · Streamlined installation procedures and documentation. · Use GNU Make on both FreeBSD & Linux platforms. · Move certificate & key files to /etc/xbone/cert. · Move XBone daemon config & state files to /etc/xbone. · Simplified named configuration procedure. · Tunnel interface names mismatch during RD crash recovery. · Several other bug fixes.

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