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A Less-Is-More Architecture (LIMA) for a Future Internet
"... Abstract—A new addressing and routing design called the Less-Is-More Architecture (LIMA) is proposed as an inter-domain solution for a future Internet. Unlike recently proposed identifierlocator split solutions, LIMA uses just (topological) locationindependent names and location-dependent addresses. ..."
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Abstract—A new addressing and routing design called the Less-Is-More Architecture (LIMA) is proposed as an inter-domain solution for a future Internet. Unlike recently proposed identifierlocator split solutions, LIMA uses just (topological) locationindependent names and location-dependent addresses. The feasibility of using a policy combination of restricting stubs to provider-aggregatable addressing only, and disallowing stub-level reachability from being propagated into the global routing tables, is studied. This policy combination results in significantly smaller global routing tables but creates four challenges of address renumbering (when stubs change providers), multihoming, mobility, and traffic engineering. Solutions to these challenges include the use of multiaddressing, name based sockets, a LIMA concept of address dismemberment, transport protocols such as SCTP that are capable of dynamic address reconfiguration, and new management-plane and control-plane procedures. Preliminary RIB data analysis quantify the benefit of LIMA in global routing table size reduction (to 6815 entries from today’s 335K entries), and a cost of LIMA in terms of number of provider changes made by stubs in the last six months (about 2450 provider changes per month across 33K stubs). A. Background I.
A Stub Multi-homing Solution for IPv6 Networks
"... Abstract—Multi-homing is one of the primary causes for the exponential growth rate of the global routing table (GRT). This work proposes a stub multihoming solution called Multi-Addressing with Stub Tunnels (MAST). By combining IPv6 multi-addressing with backup tunnels between a stub and each of its ..."
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Abstract—Multi-homing is one of the primary causes for the exponential growth rate of the global routing table (GRT). This work proposes a stub multihoming solution called Multi-Addressing with Stub Tunnels (MAST). By combining IPv6 multi-addressing with backup tunnels between a stub and each of its providers, stubs can enjoy the reliability advantages of multihoming without adding to the size of the GRT. An analysis of the current Internet BGP RIBs was conducted. It showed that the current global routing table size of 450K prefix entries would be reduced to about 24K entries if the MAST solution was adopted by all stubs. Keywords—IPv6; multihoming; addressing; routing I.
APPROVAL SHEET
, 2006
"... Future implementations of wired and wireless communication networks are expected to support a variety of multimedia applications with diverse traffic characteristics and qual-ity-of-service (QoS) requirements. To meet these diverse requirements, there are two types of networking technologies, i.e., ..."
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Future implementations of wired and wireless communication networks are expected to support a variety of multimedia applications with diverse traffic characteristics and qual-ity-of-service (QoS) requirements. To meet these diverse requirements, there are two types of networking technologies, i.e., connectionless and connection-oriented. While some applications, such as small data-file transfers, are best served on a connectionless network, other applications such as large data-file transfers and audio/video applications that have stringent requirements on data rate, delay, delay jitter, and delay-bound violation probabil-ity are best served with a connection-oriented network because of its inherent support for QoS. This dissertation combines an analytical study of a connection-oriented packet-switched scheduling mechanism (a data-plane problem) with a hardware implementation of a signaling protocol for a (connection-oriented) circuit switch (a control-plane prob-lem). For the analytical study, we model and simulate a polling-based scheduling mecha-nism for its ability to support real-time applications. This is a connection-oriented packet-
A Less-Is-More Architecture (LIMA) for a Future Internet
"... Abstract—A new addressing and routing design called the Less-Is-More Architecture (LIMA) is proposed as an inter-domain solution for a future Internet. Unlike recently proposed identifier-locator split solutions, LIMA uses just (topological) location-independent names and location-dependent addresse ..."
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Abstract—A new addressing and routing design called the Less-Is-More Architecture (LIMA) is proposed as an inter-domain solution for a future Internet. Unlike recently proposed identifier-locator split solutions, LIMA uses just (topological) location-independent names and location-dependent addresses. The fea-sibility of using a policy combination of restricting stubs to provider-aggregatable addressing only, and disallowing stub-level reachability from being propagated into the global routing tables, is studied. This policy combination results in significantly smaller global routing tables but creates four challenges of address renum-bering (when stubs change providers), multihoming, mobility, and traffic engineering. Solutions to these challenges include the use of multiaddressing, name based sockets, a LIMA concept of address dismemberment, transport protocols such as SCTP that are capable of dynamic address reconfiguration, and new management-plane and control-plane procedures. Preliminary RIB data analysis quantify the benefit of LIMA in global routing table size reduction (to 6815 entries from today’s 335K entries), and a cost of LIMA in terms of number of provider changes made by stubs in the last six months (about 2450 provider changes per month across 33K stubs). I.
