Symbiotic Routing in Future Data Centers
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BibTeX
@MISC{Abu-libdeh_symbioticrouting,
author = {Hussam Abu-libdeh and Paolo Costa and Austin Donnelly and Antony Rowstron},
title = {Symbiotic Routing in Future Data Centers},
year = {}
}
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Abstract
Building distributed applications that run in data centers is hard. The CamCube project explores the design of a shipping container sized data center with the goal of building an easier platform on which to build these applications. Cam-Cube replaces the traditional switch-based network with a 3D torus topology, with each server directly connected to six other servers. As in other proposals, e.g. DCell and BCube, multi-hop routing in CamCube requires servers to participate in packet forwarding. To date, as in existing data centers, these approaches have all provided a single routing protocol for the applications. In this paper we explore if allowing applications to implement their own routing services is advantageous, and if we can support it efficiently. This is based on the observation that, due to the flexibility offered by the CamCube API, many applications implemented their own routing protocol in order to achieve specific application-level characteristics, such as trading off higher-latency for better path convergence. Using large-scale simulations we demonstrate the benefits and network-level impact of running multiple routing protocols. We demonstrate that applications are more efficient and do not generate additional control traffic overhead. This motivates us to design an extended routing service allowing easy implementation of application-specific routing protocols on CamCube. Finally, we demonstrate that the additional performance overhead incurred when using the extended routing service on a prototype CamCube is very low.
Keyphrases
symbiotic routing future data center data center extended routing service additional performance overhead packet forwarding multiple routing protocol easy implementation routing service network-level impact camcube project torus topology large-scale simulation routing protocol path convergence traditional switch-based network application-specific routing protocol multi-hop routing prototype camcube additional control traffic overhead many application shipping container camcube api specific application-level characteristic single routing protocol
