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End to End Performance Initiative Russ Hobby <rdhobby@internet2> Campus Workshop Houston, Texas 10 April, 2002 PowerPoint Presentation
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p End to End Performance Initiative Russ Hobby &lt;rdhobby@internet2.edu&gt; Campus Workshop Houston, Texas 10 April, 2002 Context for E2E Performance Even with high bandwidth network links, the Internet2 community often does not see expected performance. The Wizard Gap The E2Epi Mission

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slide1

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End to End Performance Initiative

Russ Hobby <rdhobby@internet2.edu>

Campus Workshop

Houston, Texas

10 April, 2002

context for e2e performance
Context for E2E Performance
  • Even with high bandwidth network links, the Internet2 community often does not see expected performance.
the e2epi mission
The E2Epi Mission
  • To enable the researchers, faculty, students and staff who use high performance networks to obtain optimal performance from the current infrastructure on a consistent basis.

Raw Connectivity

Applications Performance

true end to end experience
True End-to-End Experience
  • User perception
  • Application
  • Operating system
  • Host IP stack
  • Host network card
  • Local Area Network
  • Campus backbone network
  • Campus link to regional network/GigaPoP
  • GigaPoP link to Internet2 national backbones
  • Internationalconnections

EYEBALL

APPLICATION

STACK

JACK

NETWORK

. . .

. . .

. . .

. . .

a problem

No other

complaints

Everything is

AOK

Talk to the other guys

System

Administrator

LAN

Administrator

LAN

Administrator

System

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

A Problem

Hey, this is not working right!

Others are

getting in ok

Not our problem

Applications

Developer

Applications

Developer

The computer

Is working OK

Looks fine

All the lights

are green

How do you solve

a problem along a path?

We don’t see

anything wrong

The network is lightly loaded

good work already going on
Good Work Already Going On
  • Many projects and research is underway by others investigating performance on portions of the end-to-end path.
  • E2Epi seeks to bring these efforts together to look at the end-to-end path as a complete system.
areas of the initiative
Areas of the Initiative
  • Applications
  • Host/OS Tuning
  • Measurement Infrastructure
  • Performance Improvement Environment (PIE)
  • Operations and Human Communications
  • Performance Evaluation and Review Framework (PERF)
applications
Applications
  • Work with specific application communities to help solve their performance problems.
    • High Energy Physics
    • Medical Sciences – Visible Human Project
  • Use a few key, general purpose applications for performance testing.
    • FTP
    • Video Conferencing
beacons

System

Administrator

LAN

Administrator

LAN

Administrator

System

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

Beacons

Let’s Bounce it off a Beacon!

OK you test

your end

Applications

Developer

Applications

Developer

Beacon

How do you solve

a problem along a path?

beacons11

System

Administrator

LAN

Administrator

LAN

Administrator

System

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

Beacons

My side tests OK

Try from your end

Applications

Developer

Applications

Developer

Beacon

beacons12

System

Administrator

LAN

Administrator

LAN

Administrator

System

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

Beacons

Oh, My end has a

lot of packets lost

Applications

Developer

Applications

Developer

Beacon

host os tuning
Host/OS Tuning
  • Web100 has a leading role
  • Provide Best Practices for getting the most from your computer.
  • Locate or build tools for Host/OS performance diagnostics.
  • Work with computer vendors on Internet2 Performance Packages.
measurement infrastructure
Measurement Infrastructure
  • Bring together current measurement efforts and projects in the community.
  • Establish an End-to-End Measurement Infrastructure from the intersection of these works.
  • Create diagnostic tools to determine the health of the network and locate performance problems.
standard operational info

System

Administrator

System

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

Standard Operational Info

Applications

Developer

Applications

Developer

Ops Info

Ops Info

LAN

Administrator

LAN

Administrator

Ops Info

Ops Info

Ops Info

Ops Info

Ops Info

Ops Info

Information from

All Parts of the Network

Ops Info

standard operational info16

System

Administrator

System

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

Standard Operational Info

End-to-End Analyzer

Applications

Developer

Applications

Developer

Ops Info

Ops Info

LAN

Administrator

LAN

Administrator

Ops Info

Ops Info

Ops Info

Ops Info

Ops Info

Ops Info

Know the Health

of the Network

Ops Info

standard operational info17

System

Administrator

System

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

Standard Operational Info

Apps Tuning

End-to-End Analyzer

Applications

Developer

Applications

Developer

Ops Info

Ops Info

LAN

Administrator

LAN

Administrator

Ops Info

Ops Info

Ops Info

Ops Info

Ops Info

Ops Info

Applications

Adapt to the

Network

Ops Info

performance improvement environment pie
Performance Improvement Environment (PIE)
  • Develop a dynamic environment where collaboration and information sharing will happen.
  • Identify, collect and disseminate appropriate information for end-to-end related information.
  • Include success stories,measurement statistics, reference materials, measurement tool documentation.
  • Include pointers to materials already developed by other communities.
e2epie activities
E2Epie – Activities
  • Collecting stories.
    • Using interviews and other channels we will begin collecting stories about performance improvement issues.
    • We will work with EDUCAUSE Effective Practices and Solutions database for publishing the E2Epi stories.
  • Identify and collect information about projects, resources, and tools.
    • With help of Technical Advisory Group and other E2Epi participants we will make sure to have up-to-date and correct information.
  • Explore resources and tools for collaboration efforts.
    • Discussion forum: http://e2edev.internet2.edu/discus/
operations and human communications
Operations and Human Communications
  • Establish communications among common interest groups
    • System administrators
    • LAN administrators
    • Campus NOCs
    • GigaPoP
    • Application support staff
  • Establish communications between groups for operations and problem resolution.
groups of common interest

System

Administrator

System

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

Groups of Common Interest

I don’t know how to

solve this problem!

I do! I do!

Applications

Developer

Applications

Developer

LAN

Administrator

LAN

Administrator

Let them share

experiences.

Provide a means

of communications

find a solution

Not a bottleneck

At this point

Everything is

Still AOK

Throughput OK

System

Administrator

LAN

Administrator

LAN

Administrator

System

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

Find a Solution?

Hmm, Time to

Check the PIE and Talk to others

Ah ha, an Ethernet Duplex problem!

It is slow

for others too!

Applications

Developer

Applications

Developer

Performance OK here

Yup. Duplex

Does not

Agree!

All the lights

are green

We don’t see

anything wrong

A System to Check a

Specific Problem

The network is still

lightly loaded

can you go direct to the problem
Can You Go Direct to the Problem?
  • How can you tell where is the problem?
  • Need a tool to tell you:
    • Where the problem is.
    • The type of problem
    • Who to contact to get it fixed
  • Terry Gray, University of Washington

“We Need a Finger Pointing Tool”

gray finger pointing tool

System

Administrator

LAN

Administrator

LAN

Administrator

System

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

Gray Finger Pointing Tool

Finger Pointing Tool Time!

Applications

Developer

Applications

Developer

Locate the Problem

Gray Finger Pointing Tool

Terry Gray

University of Washington

gray finger pointing tool25

System

Administrator

LAN

Administrator

LAN

Administrator

System

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

Gray Finger Pointing Tool

Finger Pointing Tool Time

OK, I’ll fix it

Applications

Developer

Applications

Developer

You ARE the Weakest Link!

performance evaluation and review framework perf
Performance Evaluation and Review Framework (PERF)
  • Establish a framework for resolving performance problems
    • Provide known solutions by using the PIE
    • Tap community knowledge by facilitating group communications
    • Coordinate a team of experts to solve hard problems
the hard problems

This is strange

No clue here

I’m stumped

System

Administrator

System

Administrator

LAN

Administrator

LAN

Administrator

Campus

Networking

Campus

Networking

Backbone

Gigapop

Gigapop

The Hard Problems

Hey, Its is not working again!

Others are

getting in ok

I don’t know

Applications

Developer

Applications

Developer

I don’t know what is wrong

I am

Cluefully

Challenged

Doh!

What if no

one has the answer?

We can’t figure

it out

Need a Tiger Team of Experts

to Research the Problem

It looks normal here

partners
Partners
  • Campuses
  • Faculty and discipline communities
  • GigaPoPs
  • International partners
  • NSF-sponsored engineering efforts
    • NLANR, www.nlanr.net
    • Web100 Project, www.web100.org
  • Internet2 corporate members
  • Federal labs and agencies
calls for participation
Calls For Participation
  • Seek participants in the various work areas
    • Internet2 E2Epi Measurement WorkshopTempe, AZ, 30-31 January 2002
    • Campus Participation in E2Epi
    • Internet2 Performance Packages
  • Seek stories and best practices
    • Current Call for Experiences
internet2 organization role
Internet2 Organization Role
  • Staffing
    • Cheryl Munn-Fremon, Initiative Director
    • Russ Hobby, Technical Architect
    • George Brett, Information Architect
    • Eric Boyd, Network Engineer
    • Lisa Wilberding, Communications Coordinator
    • Terri Saarinen, Program Assistant
for more information
For More Information
  • Info-E2Epi@internet2.edu
  • http://www.internet2.edu/e2e/