BGRP (Border Gateway Reservation Protocol) A Tree-Based Aggregation Protocol for Inter-Domain Reservations

03/01/2000


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Table of Contents

BGRP (Border Gateway Reservation Protocol) A Tree-Based Aggregation Protocol for Inter-Domain Reservations

Outline

Resource Reservation

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Reservation Architectures

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Protocol Scaling Issues

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Current Network Size

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Growth Rates

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BGRP Protocol

BGRP Basics

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PROBE Message

GRAFT Message

REFRESH Message

Comparison of BGRP vs. RSVP

BGRP Enhancements

Problem: Flapping Leaves

Problem: Rushing Sap

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Problem: Broken Branches

Performance Evaluation

Flow Counts vs. Region Size

Flow Counts vs. Region Size

Number of Flows (broken down by BW)

BGRP / RSVP Gain for each BW Class

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Reservation Count vs. Link Number

Reservation Count vs. Node Number

Gain: Nrsvp / Nbgrp

Reservation Count vs. Traffic Load

Reservation Count vs. Traffic Load

Message Rate vs. Refresh Rate

Message Rate vs. Refresh Rate

Message Reduction vs. Quantum Size

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Message Reduction vs. Quantum Size

Message Reduction vs. Load & Quantum Size

Conclusions

Future Work

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Author: Ping Pan