Core IP Routing and Switching Technology - Cvt-dallas.org
Core IP Routing and Switching Technology - Cvt-dallas.org
Core IP Routing and Switching Technology - Cvt-dallas.org
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Proposed Network Solutions<br />
• Peer (integrated) transport & packet<br />
networks<br />
– GMPLS provides integrated control-plane<br />
– Issue: all switch-able NE’s require huge routing tables,<br />
intelligent control processor<br />
• Overlay (separated) transport & packet<br />
networks<br />
– Transport layer provides UNI 1.0 API to packet layer<br />
– Issue: NE auto-discovery, <strong>IP</strong>-to-physical binding<br />
• GMPLS: envisioned for λ switching<br />
– Cost / Benefit tradeoff: another layer vs. lower cost<br />
transparent switch points<br />
– Small-medium networks: poor<br />
– Huge networks: may work<br />
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