< draft-ietf-rtgwg-net2cloud-problem-statement-07.txt   draft-ietf-rtgwg-net2cloud-problem-statement-08.txt >
Network Working Group L. Dunbar Network Working Group L. Dunbar
Internet Draft Futurewei Internet Draft Futurewei
Intended status: Informational Andy Malis Intended status: Informational Andy Malis
Expires: August 14, 2020 Independent Expires: August 19, 2020 Independent
C. Jacquenet C. Jacquenet
Orange Orange
M. Toy M. Toy
Verizon Verizon
February 14, 2020 February 19, 2020
Dynamic Networks to Hybrid Cloud DCs Problem Statement Dynamic Networks to Hybrid Cloud DCs Problem Statement
draft-ietf-rtgwg-net2cloud-problem-statement-07 draft-ietf-rtgwg-net2cloud-problem-statement-08
Abstract Abstract
This document describes the problems that enterprises face today This document describes the problems that enterprises face today
when interconnecting their branch offices with dynamic workloads in when interconnecting their branch offices with dynamic workloads in
third party data centers (a.k.a. Cloud DCs). There can be many third party data centers (a.k.a. Cloud DCs). There can be many
problems associated with network connecting to or among Clouds, many problems associated with network connecting to or among Clouds, many
of which probably are out of the IETF scope. The objective of this of which probably are out of the IETF scope. The objective of this
document is to identify some of the problems that need additional document is to identify some of the problems that need additional
work in IETF Routing area. Other problems are out of the scope of work in IETF Routing area. Other problems are out of the scope of
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months and may be updated, replaced, or obsoleted by other documents months and may be updated, replaced, or obsoleted by other documents
at any time. It is inappropriate to use Internet-Drafts as at any time. It is inappropriate to use Internet-Drafts as
reference material or to cite them other than as "work in progress." reference material or to cite them other than as "work in progress."
The list of current Internet-Drafts can be accessed at The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt http://www.ietf.org/ietf/1id-abstracts.txt
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html http://www.ietf.org/shadow.html
This Internet-Draft will expire on August 14, 2020. This Internet-Draft will expire on August 19, 2020.
Copyright Notice Copyright Notice
Copyright (c) 2020 IETF Trust and the persons identified as the Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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12.2. Informative References..................................19 12.2. Informative References..................................19
13. Acknowledgments..............................................20 13. Acknowledgments..............................................20
1. Introduction 1. Introduction
1.1. Key Characteristics of Cloud Services: 1.1. Key Characteristics of Cloud Services:
Key characteristics of Cloud Services are on-demand, scalable, Key characteristics of Cloud Services are on-demand, scalable,
highly available, and usage-based billing. Cloud Services, such as, highly available, and usage-based billing. Cloud Services, such as,
compute, storage, network functions (most likely virtual), third compute, storage, network functions (most likely virtual), third
party managed applications, etc. are usually hosted and managed by rd 3 parties Cloud Operators. Here are some examples of Cloud network party managed applications, etc. are usually hosted and managed by
functions: Virtual Firewall services, Virtual private network third parties Cloud Operators. Here are some examples of Cloud
services, Virtual PBX services including voice and video network functions: Virtual Firewall services, Virtual private
network services, Virtual PBX services including voice and video
conferencing systems, etc. Cloud Data Center (DC) is shared conferencing systems, etc. Cloud Data Center (DC) is shared
infrastructure that hosts the Cloud Services to many customers. infrastructure that hosts the Cloud Services to many customers.
1.2. Connecting to Cloud Services 1.2. Connecting to Cloud Services
With the advent of widely available third-party cloud DCs and With the advent of widely available third-party cloud DCs and
services in diverse geographic locations and the advancement of services in diverse geographic locations and the advancement of
tools for monitoring and predicting application behaviors, it is tools for monitoring and predicting application behaviors, it is
very attractive for enterprises to instantiate applications and very attractive for enterprises to instantiate applications and
workloads in locations that are geographically closest to their end- workloads in locations that are geographically closest to their end-
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