autonomic networking – definitions and design goals · autonomic networking – definitions and...
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1 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
Autonomic Networking – Definitions and Design Goals
draft-irtf-nmrg-autonomic-network-definitions-00
89th IETF, 6 March 2014 Michael Behringer
Steinthor Bjarnason Brian Carpenter
Laurent Ciavaglia Alex Clemm Sheng Jiang Max Pritikin
2 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
Self-Managing
Self-Configuring
Self-Protecting
Self-Optimizing
Self-Healing
History: IBM’s “Autonomic Computing” (2001) http://www.research.ibm.com/autonomic/
3 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
Traditional
• Configuration • Monitoring • Reporting
• Routing
Autonomic
• Policy and Service Orchestration • Aggregated Reporting
• Routing • Discovery • Autonomic interactions
Autonomic Networking means: à Minimize operator interventions à Minimize NMS dependencies
4 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
Minutes from the last meeting
“In particular it has been proposed to work on three RG documents: • One on definitions and concepts
(including guidelines to reporting case studies)
• One on the Design goals and principles • One on functions.
The starting point for these documents is draft-behringer-autonomic-network-framework-01.txt”
This draft
Source: http://www.ietf.org/mail-archive/web/nmrg/current/msg01497.html
5 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
Change Log
• New Title. Removed “Framework” • Changed section 3
– From: “fundamental concepts” – To: “design goals” and “non-design goals”
draft-behringer-autonomic-network-framework-01
draft-irtf-nmrg-autonomic-network-definitions-00
Title “A Framework for Autonomic Networking”
“Autonomic Networking - Definitions and Design Goals”
Outline title “Fundamental Concepts” “Design Goals” Section titles
Changed “Domain identity” (not a design goal) to
“By default secure” (which is a design goal)
Changed “intent” (a concept, not a goal) to
“Simplification of the Northbound interface”
Content Added “Self-Management” Added “non design goals” (next slide)
Took out “discovery” (a concept, not a goal)
-
(All other sections remained)
6 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
Non Design Goals
• Eliminate human operators • Eliminate emergency fixes • Eliminate management control and central policy • Eliminate existing configuration tools • Eliminate existing network management systems
7 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
New Definition
• Autonomic Service Agent: An agent implemented on an autonomic node which implements an autonomic function, either in part (in the case of a distributed function) or whole.
(all other definitions unchanged)
8 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
New Outline 1. Introduction to Autonomic Networking . . . . . . . . . . . . 2 2. Definitions . . . . . . . . . . . . . . . . . . . . . . . . . 3 3. Design Goals . . . . . . . . . . . . . . . . . . . . . . . . 4 3.1. Self-‐Management . . . . . . . . . . . . . . . . . . . . . 4 3.2. By Default Secure . . . . . . . . . . . . . . . . . . . . 5 3.3. Decentralisation and Distribution . . . . . . . . . . . . 5 3.4. Simplification of the Northbound Interfaces . . . . . . . 5 3.5. Abstraction . . . . . . . . . . . . . . . . . . . . . . . 6 3.6. Autonomic Reporting . . . . . . . . . . . . . . . . . . . 6 3.7. Modularity . . . . . . . . . . . . . . . . . . . . . . . 6 3.8. Independence of Function and Layer . . . . . . . . . . . 7 3.9. Full Life Cycle Support . . . . . . . . . . . . . . . . . 7 4. Non Design Goals . . . . . . . . . . . . . . . . . . . . . . 7 4.1. Eliminate human operators . . . . . . . . . . . . . . . . 8 4.2. Eliminate emergency fixes . . . . . . . . . . . . . . . . 8 4.3. Eliminate management control and central policy . . . . . 8 4.4. Eliminate existing configuration tools . . . . . . . . . 8 4.5. Eliminate existing network management systems . . . . . . 8 5. Guidelines for Case Studies . . . . . . . . . . . . . . . . . 9 6. An Autonomic Reference Model . . . . . . . . . . . . . . . . 9
9 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
SLIDES FROM PREVIOUS DRAFT (FOR REFERENCE)
10 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
Definitions (1)
• Autonomic: Self-managing (self-configuring, self-protecting, self- healing and self-optimizing); however, allowing high-level guidance by a central entity, through intent.
• Intent: An abstract, high level policy used to operate the network autonomically. Its scope is an autonomic domain, such as an enterprise network. It does not contain configuration or information for a specific node. It may contain information pertaining to nodes with a specific role.
• Autonomic Domain: A collection of autonomic nodes that instantiate the same intent.
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Definitions (2)
• Autonomic Function: A function which requires no configuration, and can derive all required information either through self-knowledge, discovery or through intent.
• (Fully) Autonomic Node: A node which employs (exclusively) autonomic functions. It may operate on any layer of the networking stack. Examples are routers, switches, personal computers, call managers, etc.
• (Fully) Autonomic Network: A network containing (exclusively fully) autonomic nodes.
12 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
Autonomic Networking – Fundamental Concepts
• Domain Identity – The network is secure by default • Discovery • Intent • Abstraction • Autonomic Reporting • Decentralisation and Distribution • Modularity • Independence of Function and Layer • Full Life Cycle Support: Beyond Deployment
13 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
Reference Model of an Autonomic Node
Autonomic Node
Standard Operating System Functions
Autonomic Control Plane
Autonomic Service Agents Autonomic
Service Agents Autonomic Service Agents
Self-Knowledge Network-
Knowledge (Discovery)
Autonomic User Agent
Intent Feedback loops
14 IETF 89, 6 Mar 2014 draft-irtf-nmrg-autonomic-network-definitions-00
Need for Standardisation
Autonomic Node
Standard Operating System Functions
Autonomic Control Plane
Autonomic Service Agents Autonomic
Service Agents Autonomic Service Agents
Self-Knowledge Network-
Knowledge (Discovery)
Autonomic User Agent
Intent Feedback loops
Discovery Messaging
…