6 tsch orlando

Mar 12, 2013Download as ppt, pdf

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The document discusses the Time Synchronized Channel Hopping (TSCH) mode of the IEEE 802.15.4e standard for low-power and lossy networks. It provides an overview of how TSCH enables deterministic communication through time synchronization, channel hopping, and scheduled transmissions. It also outlines the role of the ROLL working group in developing an architecture that integrates 6LoWPAN, RPL, and other standards with the TSCH mode at the MAC layer to provide IPv6 connectivity over low-power and lossy networks.

6TSCH

ORLANDO 86th IETF

IETF 86 – ROLL WG – March 2013

B
Status:
D A
• MAC-only amendment to IEEE802.15.4-2011
• Published April 2012
• Ideas similar to ISA100.11a and WirelessHART C
• Enables deterministic communication
10s to 1000s

TSCH:
C->A
• Time Synchronization

channelOffset

Typically 16
–low-power consumption D->C
• Channel Hopping
–reliability D->B

Schedule: B->A
• clear trade-off between bandwidth,
redundancy, latency and power consumption. slotOffset
• How to build the schedule is out of scope.

• IPv6 access and routing over deterministic
(Time Synchronized Channel Hopping) MAC
• Mix of centralized and distributed routing
• Put together architecture binding existing
standards (RPL, 6LoWPAN, PANA, COMAN,
ForCES/OpenFlow, NSIS/RSVP, diffserv) over
802.15.4e TSCH
• Provide missing components and steer work

+-----+-----+-----+-----+-----+--------+

|PANA | RPL |RSVP | PCE | IP |
| | |/NSIS| /CNM|/ FORWARDING |
+-----+-----+-----+-----+--------+-----+-------+
| 6LoWPAN | 6LoWPAN ND |
| HC +-------------+
| |
+----------------------------------------------+
| 6TUS |
+----------------------------------------------+
| 802.15.4e TSCH |
+----------------------------------------------+

---+------------------------
| External Network
|
+-----+ +-----+
| | Router | | PCE /
| | | | Common Net Mgt
+-----+ +-----+
| |
| Subnet Backbone |
+--------------------+------------------+
| | |
+-----+ +-----+ +-----+
| | Backbone | | Backbone | | Backbone
o | | router | | router | | router
+-----+ +-----+ +-----+
o o o o o
o o o o o o o o o o o
o o o LLN o o o o
o o o o o o o o o o o o

• Define scope and problem
– Backbone + PCE + TSCH/RPL/6LoWPAN WSN
– draft-phinney-roll-rpl-industrial-applicability
• Define goals and delivables
– Info: LLN context, Architecture, Terminology
– New: 6TUS, Management protocols, track
reservation
– Adapt: 6TSCH RPL OF, fragment forwarding
– Extern: Backbone Router, PCE, COMAN
• Define dependencies and liaisons
– IEEE 802.1TSN, ISA100.20, IoT6

• draft-phinney-roll-rpl-industrial-applicability
• draft-palattella-6tsch-terminology
• draft-watteyne-6tsch-tsch-lln-context
• draft-wang-6tsch-6tus
• draft-thubert-6tsch-architecture
• List todos

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This document discusses quality of service (QoS) capabilities in OpenStack Neutron. It provides an overview of what QoS means for networks, what is currently supported in Neutron, and how to use Neutron's QoS features. It also describes how QoS works underneath with different agent types and plans for future enhancements, including better rule validation, ingress bandwidth limiting, and integration with Horizon. Regular QoS meetings in the Neutron community discuss ongoing work.

8 congestion-ipv6Olivier Bonaventure

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This document discusses several topics related to Internet protocols including congestion control using TCP, Explicit Congestion Notification, Stream Control Transmission Protocol (SCTP), and IPv6. It provides details on TCP congestion control using Additive Increase Multiplicative Decrease (AIMD), SCTP segments and connection establishment, IPv6 addressing architecture, and ICMPv6 functions like ping6 and traceroute6.

Brkrst 3123 previdi-finalStefano Previdi

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Segment Routing for IPv6 provides a summary as follows: 1. Segment Routing allows IPv6 networks to benefit from traffic engineering and VPN capabilities by using a new Segment Routing Header (SRH) to encode a source routed path as a list of segments in the packet header. 2. The SRH contains the segment list, segments left index, and other fields to steer the packet through the segments. At each segment endpoint, the destination address is updated to the next segment. 3. Segment Routing leverages the existing IPv6 source routing model and provides security through the SRH, addressing concerns that led to deprecation of other routing headers. When deployed within a domain, it can validate

What IdoMark Landry

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Training �ݺ�ߣs: Intermediate 201: Single and Multi-Site Tungsten Clustering ...Continuent

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L2 over l3 ecnaspsulations (english)Motonori Shindo

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VMware expert Motonori Shindo presented on L2 over L3 encapsulation protocols like VXLAN, NVGRE, STT, and Geneve. He explained how each protocol works including header formats and provided ecosystem updates. He believes Geneve has potential as it allows for extensibility through options fields while leveraging NIC offloading, but that VXLAN is already widely adopted. Critics argue its goals could be achieved through other means.

Quic illustratedAlexander Krizhanovsky

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QUIC is a new transport protocol developed by Google to replace TCP+TLS. It aims to reduce latency by eliminating OSI layers and supporting features like 0-RTT handshakes. The document provides a high-level overview of QUIC including its architecture, use of TLS 1.3, streams for multiplexing data, and support for features like connection migration through the use of connection IDs. It also discusses QUIC's current implementation status and adoption. Examples are given of QUIC packets and the handshake process.

Oracle Exadata Cloud Services guide from practical experience - OOW19Nelson Calero

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This document is a guide on Oracle Exadata Cloud Services presented by Nelson Calero at Oracle Open World 2019, aimed at DBAs interested in cloud and Exadata functionalities. It covers the Exadata offerings, operations compared to on-premises systems, and discusses configurations, database version availability, and management tools. The information highlights key differences between Oracle Exadata cloud services and traditional on-premises setups, emphasizing frequent updates and improvements in the cloud environment.

Training �ݺ�ߣs: Basics 104: Simple Tungsten Clustering DeploymentsContinuent

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Network Algorithmics인욱 황

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Network Algorithmics focuses on designing fast implementations of network processing tasks using an interdisciplinary systems approach and algorithmic thinking. This includes optimizing common tasks like packet scheduling, traffic measurement, and address lookups in routers. It discusses techniques like deficit round robin for bandwidth guarantees, random early detection for congestion control, and data structures like tries and ternary content-addressable memory for high-speed prefix and exact matching. The document also introduces the concept of "network algorithmics" for using algorithms and data structures to solve problems in computer networking.

WebsocketsSheridan Roberts

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This document provides an overview of WebSockets presented by Sheridan Roberts. It introduces Sheridan and his background. It then defines WebSockets as a TCP protocol that uses HTTP upgrade and allows for bidirectional communication. It describes the WebSocket frame format. It outlines when to use WebSockets, such as for bidirectional communication between a client and server where one endpoint is a browser. It notes some cons of WebSockets, such as cross-browser difficulties. It proposes a demo of WebSockets in action. It recommends practicing safe WebSocket usage, such as validating origin headers and information. It concludes by suggesting a potential Hack-a-thon project using CSS sprite animations with a WebSocket backend.

Chemlb27Carlos Perez

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The ChemLab library is a chemistry program for the HP48 calculator that contains a periodic table, property viewer, molecular weight calculator, and chemical equation balancer. It requires at least 18.4K of memory to install and uses the Universal Font Library for display. The library stores parameters in a variable called chemlabPAR in the hidden directory that can be erased. It provides chemical properties for 109 elements and allows looking up properties by element name or number.

VMworld 2014: Advanced Topics & Future Directions in Network Virtualization w...VMworld

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This document provides an overview and update on VMware's NSX network virtualization platform and previews future directions. It discusses expanding NSX capabilities like physical network integration, new encapsulation formats, and multi-site network virtualization. The presentation also explores advanced topics such as distributed logical routing, handling elephant flows, and enabling service chaining through network virtualization. Overall, the document outlines how NSX provides network virtualization and previews exciting new capabilities and use cases for virtualized networking.

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The document provides an introduction to IPv6, detailing its addressing structure, neighbor discovery protocol, and the differences and similarities with IPv4. It discusses the importance of transitioning to IPv6 due to limitations of existing IPv4 protocols, emphasizes that IPv6 is an evolutionary step rather than a revolutionary change, and describes practical usages and examples. Additionally, the document outlines how to implement IPv6 in DNS and networking configurations.

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Fosscon 2012 firewall workshopjvehent

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7. protocolsMarian Marinov

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8 congestion-ipv6Olivier Bonaventure

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Brkrst 3123 previdi-finalStefano Previdi

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Oracle Exadata Cloud Services guide from practical experience - OOW19Nelson Calero

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Network Algorithmics인욱 황

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Chemlb27Carlos Perez

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IPv6 introductionHenrik Kramshøj

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6 tsch orlando

1. 6TSCH ORLANDO 86th IETF IETF 86 – ROLL WG – March 2013

2. B Status: D A • MAC-only amendment to IEEE802.15.4-2011 • Published April 2012 • Ideas similar to ISA100.11a and WirelessHART C • Enables deterministic communication 10s to 1000s TSCH: C->A • Time Synchronization channelOffset Typically 16 –low-power consumption D->C • Channel Hopping –reliability D->B Schedule: B->A • clear trade-off between bandwidth, redundancy, latency and power consumption. slotOffset • How to build the schedule is out of scope.

3. • IPv6 access and routing over deterministic (Time Synchronized Channel Hopping) MAC • Mix of centralized and distributed routing • Put together architecture binding existing standards (RPL, 6LoWPAN, PANA, COMAN, ForCES/OpenFlow, NSIS/RSVP, diffserv) over 802.15.4e TSCH • Provide missing components and steer work

4. +-----+-----+-----+-----+-----+--------+ |PANA | RPL |RSVP | PCE | IP | | | |/NSIS| /CNM|/ FORWARDING | +-----+-----+-----+-----+--------+-----+-------+ | 6LoWPAN | 6LoWPAN ND | | HC +-------------+ | | +----------------------------------------------+ | 6TUS | +----------------------------------------------+ | 802.15.4e TSCH | +----------------------------------------------+

6. • Define scope and problem – Backbone + PCE + TSCH/RPL/6LoWPAN WSN – draft-phinney-roll-rpl-industrial-applicability • Define goals and delivables – Info: LLN context, Architecture, Terminology – New: 6TUS, Management protocols, track reservation – Adapt: 6TSCH RPL OF, fragment forwarding – Extern: Backbone Router, PCE, COMAN • Define dependencies and liaisons – IEEE 802.1TSN, ISA100.20, IoT6

7. • draft-phinney-roll-rpl-industrial-applicability • draft-palattella-6tsch-terminology • draft-watteyne-6tsch-tsch-lln-context • draft-wang-6tsch-6tus • draft-thubert-6tsch-architecture • List todos

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6 tsch orlando

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