In this problem we'll explore the impact of NATS on P2P applications. Suppose a peer with username Arnold discovers through querying that a peer with username Bernard has a file it wants to download. Also suppose that Bernard and Arnold are both behind a NAT. Try to devise a technique that will allow Arnold to establish a TCP connection with Bernard without application specific NAT configuration. If you have difficulty devising such a technique, discuss why.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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In this problem we'll explore the impact of NATS on P2P applications. Suppose a peer
with username Arnold discovers through querying that a peer with username Bernard
has a file it wants to download. Also suppose that Bernard and Arnold are both behind a
NAT. Try to devise a technique that will allow Arnold to establish a TCP connection with
Bernard without application specific NAT configuration. If you have difficulty devising
such a technique, discuss why.
Transcribed Image Text:In this problem we'll explore the impact of NATS on P2P applications. Suppose a peer with username Arnold discovers through querying that a peer with username Bernard has a file it wants to download. Also suppose that Bernard and Arnold are both behind a NAT. Try to devise a technique that will allow Arnold to establish a TCP connection with Bernard without application specific NAT configuration. If you have difficulty devising such a technique, discuss why.
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