Kenneth R. JohnsonNAVSEA Cranejohnson_ken@crane.navy.mil812.854.5275

www.anchordesk.navy.mil

Distance Support version 2.0 – Content Meshing

21 January 2004

DS 2 Infrastructure

IT 21 Users

WiredNetwork(ISNS)

Mobile Applications(TBD Pending Testing

and Certification)

Sensors(ICAS)

Mission Essential EMCON Data & Information

WiredNetwork(ISNS)

Wireless

Sync orWireless

DS 2.0

Firewall(s)

Gateway

FirewallContent/

DataSynch.

Content Providers(RRC, CRM, Tech

Data, Navy Content)

Ship Network(ADNS)

Distributed Gateway

Site #2

Site #1

Site #3

•Load Balancing•Replication/Synchronization•“Collaboration” Hosting

SupportProvider Support

Provider

Live

Live ModeCollaboration and Reach Back

Gateway

Firewall

NOCC

Firewall

Connected ModeData Replication/Synchronization

GatewayController

Document Changes are built from an Index,NEW blocks of data and Existing blocks of Data!

Index

IndexIndex

Changes to

Document

Changes

are built from

Existing blocks

Of data

NEW Data Block

iOra EpsilonUpdate/Synchronization

90MB of initial content100MB of updated content

Identify 256 byte blocks that do not match any other blocks in any file or page

iOra Publisher publications

database

Example of how Epsilon Works

10MB of new and modified files or pages

1. IDENTIFY

CHANGES

2. EPSILON

iOra Client publications

database5. DE-COMPRESS AND

ADD TO CLIENT

DATABASE

4. TRANSMIT AMENDMENT

(< 1 min over 56kbs connection}

500KB of unique data blocks

3. COMPRESS

& ENCRYPT

200KB amendment file

Copy of 90MB of initial content

6. DECRYPT

& DE-EPSILON

FILES/PAGES

ON DEMAND

Copy of 100MB of updated content

ICAS Data Flow

Ship Network(ADNS)

Live ModeReach Back

Gateway

Firewall

NOCC

Firewall

Connected ModeData Replication/Synchronization

GatewayController

ICAS Workstation

WiredNetwork(ISNS)

Distance Supportv 2

Amendment ServerAmendment Server

Distributed GatewayDistributed Gateway

Firewall(s)

Gateway

FirewallDataSynch.

ICAS – ISEAPull

(1)

(2)(3)

(4)

(5)

1. DS2 server pulls the ICAS data from the ICAS work stations once a week

2. Once a week the ICAS data is transferred from the DS 2 server off ship to an amendment server

3. The amendment server receives changes from the ship

4. The Distributed Gateway pulls the changes from the Amendment server

5. Data pulled by the ISEA

>400MbyteFile

773KbyteIncrease in File Size

In 10 days

68Kbytes Transferred~2-5 Sec. IMRSAT

>400MbyteFile Reconstituted

Real Ship Data Transfer30 Dec - 8 Jan. 04

68KbyteFile

Bandwidth

• ALL Updates are Controlled by ADNS Web Control– If Web NIPRNET is Shut Down so is DS2 Updates

• Manual Updates:– Occur While Ship is in Port with a Good Land Line

Connection– IT Administrator Trained and THEY KNOW the Impact

of Utilizing IMRSAT Bandwidth

• Automated Updates:– Authorized by Ship CO– <100k bytes once per day at most frequent

DS 2 Content SizeCurrent DDG

• ATIS Tech Manuals 163.3Gb

• Training 52.2Gb– NKO Afloat, NETg, etc.

• Navy Wide Content 45.9Gb– Anchordesk legacy links, medical, QOL,

operations, etc.

FY03

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb MarNov Dec

FY04

Schedule

Demo 1USAFE

JDSR

Tech-Demo

DS 2.0.J.A

WALEX

DDG-87

SPAWAR Certification

DS 2.0Beta

Distance Support ver. 2 Baseline

Demo 2Joint

DS 2.0.J.B

DDG-83

FY04 – 12 ShipsFY05 – 24 ShipsFY06 – 24 ShipsFY07 – ERPSPAWAR

Certification

DS 2.0

Wash. BGDDG 61,71,84; CG 55; FFG 55

DDG-67 ?

SUBPAC LAB

DS 2.0S (SIPRNET)

Backups

Hardware Vehicle

• DS 2.0 is SSIL certified on SPAWAR PPL hardware (Compaq/HP series servers) and DELL series servers

• SPAWAR 151 coordinated installations (3rd qtr. FY04):– Field Changed NTCSS hardware OR – eNTCSS hardware

• Prior to SPAWAR 151 coordinated installations (<3rd qtr. FY04):– Part of a temporary alteration package

• USS MASON/USS HOWARD – WLAN• 5 Washington BG ships – ICAS

“Off-Ship”Session Initiation

• To Initiate an Update Session– Shipboard Domain Administrator ID/Password

– Ability to Log into the Shipboard Domain• From Off-ship this Includes Traversing the NOCC Firewall

and Ship Firewall

– Ability to Perform a Terminal Session into the DS 2 Server

• DS 2 Update is from an executable (.exe) not a web page

• DS 2 Update is only from the Server Itself

Only a Shipboard IT Administrator can Initiate a Session

Shipboard Server PULLS/PUSHES InformationNOTHING is PUSHED to it

TCD Waiver Criteria

• TCD Waiver criteria are established to ensure that no TCD waiver is approved unless the install: – Represents a vast enhancement of

warfighting capability – corrects a known deficiency with a system – addresses a safety issue

“There is no doubt that DS 2.0 will have a positive impact on Fleet support…” John Undset, 8 Jan. 2004