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Network layer

Network layer

transport segment from sending to receiving host on sending side encapsulates segments into datagrams on rcving side, delivers segments to transport layer network layer protocols in every host, router Router examines header fields in all IP datagrams passing through it. network data link

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1.23k views • 110 slides
Transactional Mobility in Distributed Content-Based Publish/Subscribe Systems

Transactional Mobility in Distributed Content-Based Publish/Subscribe Systems

MIDDLEWARE SYSTEMS. RESEARCH GROUP. Transactional Mobility in Distributed Content-Based Publish/Subscribe Systems. Songlin Hu*, Vinod Muthusamy + , Guoli Li + , Hans-Arno Jacobsen + * Chinese Academy of Sciences, Beijing + University of Toronto June 25, 2009.

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471 views • 34 slides
Discovery and Traversal of Security Gateways

Discovery and Traversal of Security Gateways

Discovery and Traversal of Security Gateways. Alwyn E. Goodloe University of Pennsylvania Contessa NS Protocol eXchange June 10, 2005. History of Routing Protocols. In early days of ARPANet Few nodes Routing tables manually configured at each node by local system admin

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410 views • 34 slides
A Better Choice for Sensor Sleeping

A Better Choice for Sensor Sleeping

A Better Choice for Sensor Sleeping. Ou Yang and Wendi Heinzelman 1-28-2009. Outline. Motivation and Goal Methodology - Sleep at single layer individually - Sleep at multiple layers simultaneously

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347 views • 25 slides
A Better Choice for Sensor Sleeping

A Better Choice for Sensor Sleeping

A Better Choice for Sensor Sleeping. Ou Yang and Wendi Heinzelman 1-28-2009. Outline. Motivation and Goal Methodology - Sleep at single layer individually - Sleep at multiple layers simultaneously

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252 views • 25 slides
Wireless Mesh Networks

Wireless Mesh Networks

Wireless Mesh Networks. Myungchul Kim mckim@icu.ac.kr. - IEEE Communications Magazine, pp. 523-530, Sept 2005 Introduction Mesh routers and mesh clients Multi-hop communications with much lower transmission power Mesh router with multiple wireless interfaces

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299 views • 15 slides
Routing Proximity Services IETF 73 Minneapolis, November 2008

Routing Proximity Services IETF 73 Minneapolis, November 2008

Routing Proximity Services IETF 73 Minneapolis, November 2008. Stefano Previdi - sprevidi@cisco.com. Introduction. Routing Layer for Proximity/Localization services What ? Why ? Need ?. Architecture. Routing Layer for Proximity/Localization services. What ?

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290 views • 6 slides

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