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Related Experiment Video

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Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization

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Named Data Networking for Content Delivery Network Workflows.

Rama Krishna Thelagathoti¹, Spyridon Mastorakis¹, Anant Shah²

¹Computer Science Department, University of Nebraska, Omaha, USA.

Proceedings. IEEE International Conference on Cloud Networking

|August 9, 2021

Summary

This summary is machine-generated.

Named Data Networking (NDN) offers benefits for Content Delivery Networks (CDNs) through in-network caching and faster retransmissions during packet loss. NDN shows lower Time To First Byte (TTFB) and transparent failover compared to HTTP.

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Area of Science:

Computer Science
Networking

Background:

Content Delivery Networks (CDNs) are crucial for efficient content distribution.
Named Data Networking (NDN) presents an alternative architecture with unique features like in-network caching and intelligent forwarding.

Purpose of the Study:

To evaluate the architectural properties and features of NDN within Content Delivery Network (CDN) workflows.
To compare NDN's performance against HTTP-based content delivery, focusing on Point of Presence (PoP) to PoP and PoP to device connectivity.

Main Methods:

Utilized the Apache Traffic Server (ATS) platform to establish a CDN-like caching hierarchy.
Conducted comparative experiments between NDN and HTTP for content delivery.

Main Results:

HTTP delivered content faster under stable conditions due to its mature software stack.
NDN outperformed HTTP in the presence of packet loss (as low as 0.1%) due to packet-level caching and fast retransmissions.
NDN demonstrated a consistently lower Time To First Byte (TTFB) (~50ms) compared to HTTP (~100ms).
NDN offers transparent failover capabilities, unlike HTTP.

Conclusions:

NDN's inherent properties, including in-network caching and stateful forwarding, can significantly benefit content providers and users.
NDN's performance advantages in packet loss scenarios and lower TTFB make it a compelling alternative for future CDN architectures.
NDN's features support implementation-agnostic network properties beneficial for CDN workflows.