deLuna-JPLNet-AdvancedServices1

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Transcript deLuna-JPLNet-AdvancedServices1

JPL
Campus Network
Advanced Services
December 4, 2000
Claudia de Luna
[email protected]
(818) 354-8253
2000-12-04
JPL Campus Advanced Services
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Agenda
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2000-12-04
Building Blocks
State of the Network
Advanced Services
Future
Case Studies
Conclusions
JPL Campus Advanced Services
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Building Blocks
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Support
 Management
 Direction
 Funding
Centralization
 Economies of scale
 Operations & Configuration Management
Infrastructure
 Cabling
 Equipment
 Star Topology
JPL Campus Advanced Services
 Monitoring
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Network Subsystems
External
Access
Subsystem
Remote Access
Subsystem
WAN
Subsystem
Security
Subsystem
Campus Backbone
Subsystem
Desktop
Access
Subsystem
Cable Infrastructure Subsystem
Management Links
Management
Subsystem
Data Path
2000-12-04
JPL Campus Advanced Services
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Current
State of the Network
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Structured Cabling
 3 Category 5 to each work location
 6MM to select work locations
 6SM/18MM riser
 12SM/12MM between buildings
Fully Switched
 10/100Mb/s to each desktop [10Base-T/100Base-TX]
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1000Mb/s for approved systems [1000Base-SX]
Multi-Gigabit Core
 18 Cisco 8540 L2/L3 switches interconnected via GigE
Deterministic
 2 Hops
 Consistent Edge and Backbone Hardware
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2000-12-04
Limited only by Network Interface Card (NIC) on system
Current
State of the Network (cont..)
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Management & Monitoring
 700+ Network Devices monitored via Aprisma
Spectrum
 20,000+ interfaces monitored via Concord Nethealth
 1000Base-SX and 100Base-TX/FX RMON probes
External Connectivity
 OC-12s (622Mb/s) to CalREN-2
 T3 (45Mb/s) to commercial ISP
 OC-3 NASA Networks (155Mb/s)
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2000-12-04
~50Mb/s to Production Networks
~100Mb/s to Research Network (NREN)
JPL Campus Advanced Services
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JPLNet Gigabit Backbone OAK GROVE / IPC
b264-edge
AMMOS
Flight
Network
EIS
Services
Subnet
b300-edge
b301-edge
b301-edge2
b600-edge
b238-edge
b125-edge
b230-core
6509
b230-edge
b126-edge
b183-edge
b156-edge
b171-core
6509
b168-edge
b180-edge
b171-edge
Industry Partners
NI
Internet
2000-12-04
b079-edge
b171-edge2
b171-border
GSR
b171-rtr
External Wan
7513
NASA Internet
b169-edge
CatX
CatX
CatX
CatX
b171-rtr2
Internal WAN
7513
Isolation Network
Los Nettos/ISI
T3/OC-3
C2/I2
OC-12 POS
CalREN-2
Internet
Abilene
vBNS
JPL Campus Advanced Services
Gigabit Ethernet / OC-12
Fast Ethernet
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Advanced Services
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Gigabit to the Desktop
Tuning
Measurement
Multicast/Video
Security
Jumbo Frames/Larger MTU
IPv6
Quality of Service
Other?
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Gigabit to the Desktop
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If a system meets:
 Minimum Hardware Criteria
 Usage Justification
 Current Port Utilization Criteria
A system gets:
 Fiber Drop (6 strand MM)
 1000-Base-SX Port
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6509
4003
2948
Tuning Guidelines
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Tuning
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Duplexing
 White Paper
TCP
 White Paper & References
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Measurement
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Concord NetHealth
Netsys Gigabit Ethernet RMON Probes
Real Time performance Testing Planned
 Performance Testing System
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FreeBSD, Dual Processor, RAID
Anonymous? FTP
ttcp (ttcp.jpl.nasa.gov), nttcp (nttcp.jpl.nasa.gov)
netperf (netperf.jpl.nasa.gov), iperf (iperf.jpl.nasa.gov)
endpoint (endpoint.jpl.nasa.gov) (NetIQ, formerly Ganymede)
Web page describing connectivity, TCP parameters, Contact
Information
Internal reference, External reference
Looking glass traceroute functionality
Procedures TBD JPL Campus Advanced Services
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JPLNet Performance Testing &
Measurement Resources
notclodsgig
137.78.173.215
ge0
notclodsultra
hme0
b230-core
b171-2-78-173-5
moriokagig
137.78.171.217
ge0
morioka
hme0
b171-edge2
b171-2-78-171-5
b171-edge
netdev2
137.78.167.100
hme0
b171-B-78-167-5
throughput.jpl.nasa.gov
performance
testing
system
b171-rtr
CalREN-2
ISP
NASA
2000-12-04
b171-core
Isolation
Network
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Multicast/Video
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Campus Community
 MPEG-1
 MPEG-2
 White Paper
External Community
 What format?
 What data rates?
 How to distribute?
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Security
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Firewall
 Support for OC-12/Gigabit Ethernet
forwarding rates
 Appliance
 Research Networks
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OC-48 to CalTech
• tape silos
• shared storage
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Jumbo Frames
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Localized for now
 Supercomputer Subnet(s)
Cross Country?
 JPL/GSFC Aqua Testing
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Future
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Advanced Services
 IPV6
 Quality of Service
 Other
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Self Tuning
Advanced Measurement and Monitoring
capabilities
 Loss (Better Way to Measure)
 Latency
 Jitter
 TBD
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Case Study
Digital Sky Demo
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NREN Gigabit Workshop
 Demonstrate large data set retrieval from 4
distinct geographic locations and real time
rendering using production networks
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Goddard Space Flight Center
California Institute of Technology
Jet Propulsion Lab
AMES Research Center
JPL Campus Advanced Services
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JPL Campus Advanced Services
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Case Study
Digital Sky Demo
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Tools
 ping,traceroute
 iperf, netperf, ttcp, NetIQ (Ganymede)
 network equipment interface statistics
Issues with troubleshooting
 Tools to measure throughput and packet loss
 System Tuning
 Test Points & Contacts
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Finding
Setting up
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2000-12-04
JPL Campus Advanced Services
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Case Study
EOS Aqua Prototype
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NASA's Earth Observing System (EOS)
Aqua Spacecraft
Prototype clock and data delivery over IP
 80Mb/s
 From TRW to GSFC
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over Internet 2 infrastructure
over NREN
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Case Study
EOS Aqua Prototype
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Tools
 ping, traceroute, pathchar
 iperf, netperf, ttcp, nttcp
 network equipment interface statistics
Issues with troubleshooting
 Tools to measure throughput and packet loss
 System Tuning
 Test Points
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Contacts
Finding
Setting up
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Case Study
HiDef Demonstration
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HiDef Virtual Co-location
 Vendor brought in special systems to
packetize HiDef video
 Requested 4 Gigabit Ethernet ports
Testing Scenario 1
 Across a 6509
Testing Scenario 2
 Across the backbone
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JPLNet Gigabit Backbone
HiDef Demo
AMMOS
Flight
Network
Last Updated:
2000-12-01
b230-core
6509
Display
Scenario 2
Accross Backbone
GigabitEthernet
b301-edge
Cisco 8540
b171-core
6509
Display
Display
b171-edge
Industry Partners
NI
Internet
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Scenario 1
Local
b171-border
GSR
NASA Internet
Isolation Network
Los Nettos/ISI
T3/OC-3
C2/I2
OC-12 POS
CalREN-2
Internet
Abilene
vBNS
JPL Campus Advanced Services
Gigabit Ethernet / OC-12
Fast Ethernet
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Case Study
HiDef Demonstration
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Tools
 Concord Nethealth and LiveTrend
 Cisco Works
 Network equipment interface statistics
Issues
 Tools to measure latency, jitter, packet loss, and
throughput of network and network components
 Tools to measure end system relevant parameters
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CPU
Bus
NIC
Memory
System Tuning
Test Points
JPL Campus Advanced Services
Vendor Education
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JPL Campus Advanced Services
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Conclusions
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What, How, and Where to measure?
Many NSF, NLANR, CAIDA, and I2 efforts
have made a good start at a testing
infrastructure:
 Active and Passive Measurement
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OCxmon
AMP
NIMI
Surveyor
JPL needs more and better measurement
tools to support Advanced Services
JPL needs to understand the tools
And then what?
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Framework
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(Continue to) Define a Test and
Measurement Framework
Continue to Build a Test and Measurement
Infrastructure
 Baseline
 Interactive
 Trending
Which provides tools, defined variables,
and instrumentation for an understandable
systems view
 All layers + Hardware
Move forward with existing efforts
Vendor Participation
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Questions?
2000-12-04
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