THIS ADDENDUM MUST BE ACKNOWLEDGED. THIS ADDENDUM SHALL BECOME A PART OF THIS SOLICITATION.

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BD1708 Add #2 Page 1 of 1

THIS ADDENDUM MUST BE ACKNOWLEDGED.

THIS ADDENDUM SHALL BECOME A PART OF THIS SOLICITATION.

Amend BD1710 Request for Proposal, Internet Service Provider, dated November 14th, 2014, as follows:

Questions and Answers are attached.

Due date and time has been changed to: January 12th, 2015 2:00 p.m. local standard time

at 780 Grant Street, Denver, CO 80203

If your proposal has been submitted and you wish to amend it, please modify your proposal on company letterhead. The amended proposal must be received prior to the time and date set for the proposal opening. Each modification submitted to the District's Purchasing Office located at 780 Grant Street, must have Vendor’s name and return address and the applicable RFP number and title of the RFP clearly marked on the face of the envelope.

If more than one modification is submitted, the modification bearing the latest date of receipt by the District's Purchasing Office will be considered the valid modification.

This addendum must be acknowledged, whether or not you amend your proposal.

PRINT OR TYPE YOUR INFORMATION

Name of Company: ____________________________________________ Fax: _____________ Address: ________________________ City/State: ________________ Zip: ______________ Contact Person: ___________________ Title: _____________________ Phone: ___________ Authorized Representative’s Signature: ____________________________ Phone: ___________ Printed Name: ____________________ Title: _____________________ Date: _____________

Approved by: ______________ Date: _____________ Reviewed by: ______________ Date: _____________

Denver Public Schools Purchasing Department

780 Grant Street Denver, Colorado 80203 Request for Proposal BD1710

Internet Service Provider ADDENDUM NUMBER TWO

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Q1. Will DPS be managing a BGP router to terminate each vendor connection?

A1. DPS maintains EBGP relations with Internet service providers via three routers in two

locations. These three routers are operated solely by DPS. In addition, DPS requires

that the EBGP relationships employ EBGP-multihop of at least 4 hops.

Q2. To confirm, would DPS expect to receive a default route via BGP from each carrier?

A2. Yes, DPS expects a default route form each directly connected Internet service

provider and discards any more detailed routes.

Q3. Would DPS consider Internet access that utilizes alternate DDoS mitigation strategies

excluding signature detection?

A3.

DPS is most concerned that the provider includes DDoS protection from Volumetric

attacks. We are not concerned whether their solutions uses or does not use specific

signatures. DPS is primarily seeking a provider capable of scrubbing a volumetric DDoS

attack prior to delivering the traffic to DPS. DPS does not have a preference of signature

versus non-signature DDoS protection but DPS will evaluate the effectiveness of

volumetric DDoS protection being proposed.

Q4. Does DPS maintain independent right of way entries at the location where Internet access

is desired?

A4. Yes, to the edge of the property line.

Q5. Please identify the “Data Center” locations where 100Mb-1Gb and 1Gb-10Gb incremental

pricing should be provided.

A5. PDC is 780 Grant. St., Denver, CO 80203 SDC is 3435 W. 40th Ave Denver CO

Q6. Is there a primary head site for the MAN where additional aggregation capacity is needed

for the MAN network?

A6. Headends at PDC and SDC requiring additional aggregation capacity.

Q7. The site list includes 152 sites, while DPS is housed in 189 buildings. Are there additional

locations which need to be added to the site list or is the current list complete at 152 sites?

A7. These numbers are best estimates.

Q8. What Multicast bandwidth is expected to be available across the MAN?

A8. DPS expects to use any amount of MAN available for multicast. No provisions made

for multicast bandwidth limits less than aggregate.

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Q9. Our experience is that high bandwidth multicast is best implemented in a point-to-point

design (can be virtual). Is DPS seeking a point-to-point design, multi-point to multi-point design,

or a combination of both to support multicast and unicast transmissions?

A9. DPS requires point-to-multipoint connectivity that can be cross-connected at OSI

Layer two without consultation or coordination with vendor.

Q10. Can you please specify which sites are the District Data Center sites?

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Attachment A

SITE NAME SITE ADDRESS SERVICE PRICE ERATE ELIGIBLE? COMMENTS

ABRAHAM LINCOLN HIGH SCHOOL 2285 S. Federal Blvd. 80219

ACADEMIA ANA MARIE ELEMENTARY SCHOOL 3655 Wyandot St. 80211

AIRCRAFT TRAINING 37800 Astra Way 80137

AMESSE ELEMENTARY SCHOOL 5440 Scranton St. 80239

ARCHULETA ELEMENTARY SCHOOL 16000 E. Maxwell Place 80239

ASBURY ELEMENTARY SCHOOL 1320 E. Asbury Ave 80210

ASHLEY ELEMENTARY SCHOOL 1914 Syracuse St. 80220

BALARET OUTDOOR EDUCATION CENTER 1192 County Road 87, Jamestown, CO 80455

BARNUM ELEMENTARY SCHOOL 85 Hooker 80219

BARRETT ELEMENTARY SCHOOL 2900 Richard Allen Court 80205

BEACH COURT ELEMENTARY SCHOOL 4950 Beach Ct 80221

BRADLEY ELEMENTARY SCHOOL 3051 S. Elm St. 80222

BROMWELL ELEMENTARY SCHOOL 2500 E. 4th Ave. 80206

BROWN ELEMENTARY SCHOOL 2550 Lowell Blvd. 80211

BRUCE RANDOLPH MIDDLE SCHOOL 3955 Steele St. 80205

BRYANT-WEBSTER ELEM SCHOOL 3635 Quivas 80211

BYERS 150 S. Pearl St., 80209

CARSON ELEMENTARY SCHOOL 5420 E. 1st Ave. 80220

CASTRO ELEMENTARY SCHOOL 845 S. Lowell Blvd. 80219

CEC MIDDLE COLLEGE 2650 Eliot St. 80211

CENTENNIAL ELEMENTARY SCHOOL 4665 Raleigh St. 80212

CHARLES M. SCHENCK COMMUNITY SCHOOL 1300 S. Lowell Blvd. 80219

CHELTENHAM ELEMENTARY SCHOOL 1580 Julian St. 80204

CLA/EGOS 200 E. 9th Ave., 80203

COLE ARTS AND SCIENCE ACADEMY 3240 Humboldt St. 80205

COLFAX ELEMENTARY SCHOOL 1526 Tennyson St. 80204

COLLEGE VIEW ELEMENTARY SCHOOL 2675 S. Decatur St. 80219

COLUMBIAN ELEMENTARY SCHOOL 2925 W. 40th Ave. 80211

COLUMBINE ELEMENTARY SCHOOL 2540 E. 29th Ave. 80205

COMPASSION ROAD 1000 Cherokee St. 80204

CONSERVATORY GREEN 8499 East Stoll Place, 80238

CORY ELEMENTARY SCHOOL 1550 S. Steele St. 80210

COWELL ELEMENTARY SCHOOL 4540 W. 10th Ave. 80204

DC21 WYMAN 1690 Williams St. 80218

DENISON MONTESSORI ELEM SCHOOL 1821 S. Yates St. 80219

DENVER CENTER OF INTERNATIONAL STUDIES 574 W 6th Ave. 80204

DENVER GREEN SCHOOL 6700 East Virginia Ave. 80224

DENVER PUBLIC SCHOOLS ACOMA 1617 S. Acoma St. 80223

DENVER PUBLIC SCHOOLS ADMIN OFFICES 900 Grant St. 80203

DENVER PUBLIC SCHOOLS DEL PUEBLO 750 Galapago St. 80204

DENVER PUBLIC SCHOOLS FOX STREET 1330 Fox St. 80204

DENVER PUBLIC SCHOOLS LINCOLN STREET OFFICE 1860 Lincoln St. 80203

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Attachment A

DENVER PUBLIC SCHOOLS REMINGTON 4735 Pecos St. 80211

DENVER PUBLIC SCHOOLS SERVICE CENTER 2800 West 7th Ave. 80204

DENVER PUBLIC SCHOOLS SMEDLEY 4250 Shoshone St. 80211

DENVER PUBLIC SCHOOLS YUMA CENTER 2320 West 4th Ave. 80223

DENVER SCHOOL OF THE ARTS 7111 E Montview Blvd. 80220

DEPARTMENT OF TECHNOLOGY SERVICES 780 Grant St. 80203

DOULL ELEMENTARY SCHOOL 2520 S. Utica St. 80219

EAGLETON ELEMENTARY SCHOOL 880 Hooker St. 80204

EAST HIGH SCHOOL 1600 City Park Esplanade 80206

EDISON ELEMENTARY SCHOOL 3350 Quitman St. 80212

EGTC 1205 Osage St., 80204

ELLIS ELEMENTARY SCHOOL 1651 S. Dahlia St. 80222

EMILY GRIFFITH OPPORTUNITY SCH 1250 Welton St. 80204

ESCALANTE-BIGGS ACADEMY 5300 Crown Blvd. 80239

FAIRMONT ELEMENTARY SCHOOL 520 W. 3rd Ave. 80223

FAIRVIEW ELEMENTARY SCHOOL 2715 W. 11th Ave. 80204

FLORENCE CRITTENTON MIDDLE/HIGH SCHOOL 96 S. Zuni St. 80223

FLORENCE CRITTENTON SCHOOL 55 South Zuni St., 80223

FORCE ELEMENTARY SCHOOL 1550 S. Wolff St. 80219

FORD ELEMENTARY SCHOOL 14500 Maxwell Place 80239

GARDEN PLACE ACADEMY 4425 Lincoln St. 80216

GEORGE WASHINGTON HIGH SCHOOL 655 S. Monaco Parkway 80224

GILLIAM YOUTH CENTER 2844 Downing St. 80205

GILPIN ELEMENTARY SCHOOL 2949 California St. 80205

GODSMAN ELEMENTARY SCHOOL 2120 W. Arkansas Ave. 80223

GOLDRICK ELEMENTARY SCHOOL 1050 S. Zuni St. 80223

GRANT MIDDLE SCHOOL 1751 S. Washington St. 80210

GRANT RANCH ELEMENTARY 5400 S. Jay Circle 80123

GREEN VALLEY ELEMENTARY 4100 Jericho St. 80249

GREENLEE ELEMENTARY SCHOOL 1150 Lipan St. 80204

GREENWOOD ELEMENTARY 5130 Durham Court 80239

GUST ELEMENTARY SCHOOL 3440 W. Yale Ave. 80219

HALLETT FUNDAMENTAL ACADEMY 2950 Jasmine St 80207

HAMILTON MIDDLE SCHOOL 8600 E. Dartmouth Ave. 80231

HAMPDEN HEIGHTS 3333 S Havana St., 80231

HARRINGTON ELEMENTARY SCHOOL 2401 E. 37th Ave. 80205

HENRY WORLD SCHOOL 3005 S. Golden Way 80227

HIGH TECH EARLY COLLEGE 11200 E. 45th Street 80239

HILL CAMPUS OF ARTS AND SCIENCE 451 Clermont St. 80220

HOLM ELEMENTARY SCHOOL 3185 S. Willow St. 80231

HOWELL ELEMENTARY SCHOOL 14250 E Albrook Drive 80239

ISABELLA BIRD COMMUNITY SCHOOL 2701 North Lima St., 80239

JOHN F. KENNEDY HIGH SCHOOL 2855 S. Lamar St. 80227

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Attachment A

KAISER ELEMENTARY SCHOOL 4500 S. Quitman St. 80236

KEPNER MIDDLE SCHOOL 911 S. Hazel Court 80219

KNAPP ELEMENTARY SCHOOL 500 S. Utica St. 80219

KUNSMILLER CREATIVE ARTS ACADEMY 2250 S. Quitman Way 80219

LAKE MIDDLE SCHOOL 1820 Lowell Blvd. 80204

LALO DELGADO 3201 W. Arizona 80219

LINCOLN ELEMENTARY SCHOOL 710 S. Pennsylvania St. 80209

LOWRY ELEMENTARY 8001 E. Cedar Ave. 80230

MANUAL HIGH SCHOOL 1700 E. 28th Ave. 80205

MARRAMA ELEMENTARY SCHOOL 19100 E. 40th Ave. 80249

MARTIN LUTHER KING JR. MIDDLE COLLEGE 19535 E. 46th Ave. 80249

MATHEMATICS AND SCIENCE LEADERSHIP ACADEMY 451 S. Tejon St. 80223

MAXWELL ELEMENTARY 14390 E. Bolling Drive 80239

MCGLONE ELEMENTARY SCHOOL 4500 Crown Blvd. 80239

MCKINLEY-THATCHER ELEM SCHOOL 1230 S. Grant St. 80210

MCMEEN ELEMENTARY SCHOOL 1000 S. Holly St. 80246

MERRILL MIDDLE SCHOOL 1551 S. Monroe St. 80210

MONTBELLO HIGH SCHOOL 5000 Crown Blvd. 80239

MONTCLAIR ELEMENTARY SCHOOL 1151 Newport St. 80220

MOORE ELEMENTARY SCHOOL 846 Corona 80218

MOREY MIDDLE SCHOOL 840 E. 14th Ave. 80218

MUNROE ELEMENTARY SCHOOL 3440 W. Virginia Ave. 80219

NE BUS TERMINAL 4937 Dallas 80238

NEWLON ELEMENTARY SCHOOL 361 Vrain St. 80219

NOEL MIDDLE SCHOOL 5290 Kittredge St. 80239

NORTH HIGH SCHOOL 2960 N. Speer Blvd. 80211

OAKLAND ELEMENTARY SCHOOL 4580 Dearborn St. 80239

P.R.E.P. ASSESSMENT CENTER 2727 Columbine St. 80205

PALMER ELEMENTARY SCHOOL 995 Grape St. 80220

PARK HILL ELEMENTARY SCHOOL 5050 E. 19th Ave. 80220

PASCUAL LEDOUX ACADEMY 1055 S. Hazel Court 80219

PAUL SANDOVAL CAMPUS 5500 N Central Park Blvd, 80230

PITT-WALLER ELEMENTARY SCHOOL 21601 E 51st Place 80249

PLACE BRIDGE ACADEMY 7125 Cherry Creek North Drive 80224

POLARIS AT EBERT ELEMENTARY 410 Park Ave. West 80205

PUSH ACADEMY 4501 Airport Way 80239

SABIN WORLD SCHOOL 3050 S. Vrain St. 80236

SAMUELS ELEMENTARY SCHOOL 3985 S Vincennes Ct. 80237

SCHMITT ELEMENTARY SCHOOL 1820 S. Vallejo St. 80223

SKINNER MIDDLE SCHOOL 3435 W. 40th Ave. 80211

SLAVENS ELEMENTARY SCHOOL 3000 S. Clayton St. 80210

SMILEY MIDDLE SCHOOL 2540 Holly St. 80207

SMITH ELEMENTARY SCHOOL 3590 Jasmine St. 80207

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Attachment A

SOUTHMOOR ELEMENTARY SCHOOL 3755 S. Magnolia Way 80237

STECK ELEMENTARY SCHOOL 450 N Albion St 80220

STEDMAN ELEMENTARY SCHOOL 2940 Dexter St. 80207

STEELE ELEMENTARY SCHOOL 320 S. Marion St. 80209

STEPHEN KNIGHT CENTER FOR EARLY EDUCATION 3245 E. Exposition Ave. 80209

SUMMIT ACADEMY 3001 S. Federal Blvd. 80236

SWANSEA ELEMENTARY SCHOOL 4650 Columbine 80216

SWIGERT-MCAULIFFE INTERNATIONAL ECE-8 3480 Syracuse 80238

TELLER ELEMENTARY SCHOOL 1150 Garfield St. 80206

THOMAS JEFFERSON HIGH SCHOOL 3950 S. Holly St. 80237

TRANSPORTATION HILLTOP 2909 West 7th Ave. 80204

TRAYLOR ELEMENTARY SCHOOL 2900 S. Ivan Way 80227

TREVISTA AT HORACE MANN ECE-8 4130 Navajo St. 80211

UNIVERSITY PARK ELEM SCHOOL 2300 S. St. Paul St. 80210

VALDEZ ELEMENTARY SCHOOL 2525 W. 29th Ave. 80211

VALVERDE ELEMENTARY SCHOOL 2030 W. Alameda Ave. 80223

VISTA ACADEMY 4800 Telluride 80249

WEST HIGH SCHOOL 951 Elati St. 80204

WESTERLY CREEK 8800 E. 28th Ave. 80238

WHITTIER ELEMENTARY SCHOOL 2480 Downing St. 80205

WILLIAM ROBERTS ELEMENTARY SCHOOL 2100 Akron Way 80238

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