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     <!-- Control Number: form8k                                                           -->
     <!-- Filing Type:    8k                                                               -->
     <!-- Client Name:    Sycamore Networks                                                     -->
     <!-- Project Name:   ny12315                                               -->
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<TD><H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2> SECURITIES AND EXCHANGE COMMISSION
<BR>
WASHINGTON, D.C. 20549  </FONT></H1></TD></TR>
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<TD><H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>FORM
8-K  </FONT></H1></TD></TR>
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<TD ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>CURRENT
REPORT<BR>Pursuant to Section 13 or 15(d) of the <BR>
Securities Exchange Act of 1934  </FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2"> December 30, 2003 </FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">Date of Report (Date of earliest event reported) </FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2"><B>SYCAMORE NETWORKS, INC.</B></FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">(Exact name of registrant as specified in its charter)</FONT></TD></TR>
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<td Align=CENTER Width=33%><Font Face="Times New Roman, Times, Serif" Size=2>Delaware </font></td>
<td Align=CENTER Width=34%><Font Face="Times New Roman, Times, Serif" Size=2> 000-27273  </font></td>
<td Align=CENTER Width=33%><Font Face="Times New Roman, Times, Serif" Size=2>04-3410558</font></td>
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<td Align=CENTER><Font Face="Times New Roman, Times, Serif" Size=2>(State or other jurisdiction <br>of incorporation)
</font></td>
<td Align=CENTER><Font Face="Times New Roman, Times, Serif" Size=2>(Commission<br>file number) </font></td>
<td Align=CENTER><Font Face="Times New Roman, Times, Serif" Size=2>(IRS Employer<br> Identification No.) </font></td>
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<br><BR>






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<TD ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>220
Mill Road <BR>Chelmsford, MA &nbsp;01824 <BR>
(Address of principal executive offices)<BR>
(Zip code)</FONT></TD></TR>
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<TD ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Registrant's
telephone number, including area code:&nbsp;&nbsp;&nbsp;(978) 250-2900 </FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2"> Not Applicable </FONT></TD></TR>
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     <TD WIDTH="600" ALIGN="CENTER"><FONT FACE="Times New Roman, Times, Serif" SIZE="2">(Former name or former address, if changed since last report) </FONT></TD></TR>
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<TD>
<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Item
5:&nbsp;&nbsp;&nbsp; Other Events and Required FD Disclosure </FONT></P></TD></TR>
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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>On
December 30, 2003, the Defense Information Systems Agency (DISA) issued a press release
naming the Registrant as one of the vendors in the Global Information Grid - Bandwidth
Expansion (GIG-BE) project. Following is the text of the press release issued by DISA: </FONT></TD></TR></TABLE><BR>

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<TD>
<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&#147;
GIG-BE Equipment Contracts Awarded </FONT></P></TD></TR>
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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>ARLINGTON,
VA, December 30, 2003 &#151; The Defense Information Systems Agency announced today that
it has accepted Science Applications International Corporation&#146;s (SAIC&#146;s) final
Global Information Grid - Bandwidth Expansion (GIG-BE) system solution. SAIC has
awarded indefinite-delivery, indefinite-quantity (IDIQ) subcontracts under the Defense
Information System Network (DISN) Global Solutions (DGS) contract to acquire the equipment
needed to support the GIG-BE implementation of this solution. In the Optical Transport
System equipment area, DISA accepted SAIC&#146;s determination that Ciena Corporation
offered the best value technical solution. In the Optical Digital Cross Connect equipment
area, DISA accepted SAIC&#146;s determination that Sprint Communications Company,
L.P./Sycamore offered the best value technical solution. In the Internet Protocol Router
equipment area, DISA accepted SAIC&#146;s determination that Juniper Networks (U.S.), Inc.
offered the best value technical solution. In the Multi-Service Provisioning Platform
equipment area, DISA accepted SAIC&#146;s determination that Qwest Government
Services/Cisco offered the best value technical solution. Over 55 proposals were received
across the four equipment areas. DISA appreciates the strong support of our industry
partners to the GIG-BE program and the DISA mission. </FONT></TD></TR></TABLE><BR>

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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>DISA
is a combat support agency responsible for planning, engineering, acquiring, fielding, and
supporting global net-centric solutions and operating the Global Information Grid to serve
the needs of the President, Vice President, the Secretary of Defense, the Joint Chiefs of
Staff, the Combatant Commanders, and the other DoD Components under all conditions of peace
and war. DISA is the preferred provider of Global Net-Centric Solutions for the
Nation&#146;s warfighters and all those who support them in the defense of the Nation.
&#148; </FONT></TD></TR></TABLE><BR>


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<TD ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>SIGNATURES </FONT></TD></TR>
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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Pursuant
to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused
this report to be signed on its behalf by the undersigned thereunto duly authorized. </FONT></TD></TR></TABLE><BR>


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<TD>
<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Sycamore
Networks, Inc. </FONT></P></TD></TR>
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  <TR VALIGN="BOTTOM">
<TD WIDTH=40%><FONT FACE="Times New Roman, Times, Serif" SIZE=2>/s/ Frances M. Jewels</FONT></TD></TR>
<TR VALIGN=TOP>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2> </FONT><HR NOSHADE SIZE="1"></TD>

</TR>

<TR VALIGN=TOP>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Frances M. Jewels</FONT></TD>
<TD COLSPAN=2> &nbsp;</TD>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;</FONT></TD></TR>

<TR VALIGN=TOP>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Chief Financial Officer</FONT></TD>
<TD COLSPAN=2> &nbsp;</TD>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;</FONT></TD></TR>

<TR VALIGN=TOP>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>(Duly
Authorized Officer and Principal<BR>Financial and Accounting Officer)</FONT></TD>
<TD COLSPAN=2> &nbsp;</TD>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;</FONT></TD></TR>
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<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Dated:
December 31, 2003 </FONT></P></TD></TR>
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{"company-data": {"conformed-name": "SYCAMORE NETWORKS INC", "cik": "0001092367", "assigned-sic": "3661", "irs-number": "043410558", "state-of-incorporation": "DE", "fiscal-year-end": "0731"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-27273", "film-number": "031080215"}, "business-address": {"street1": "220 MILL ROAD", "city": "CHELMSFORD", "state": "MA", "zip": "01824", "phone": "9782502900"}, "mail-address": {"street1": "220 MILL ROAD", "city": "CHELMSFORD", "state": "MA", "zip": "01824"}}
8K Form
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM
8-K
CURRENT
REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
December 30, 2003
Date of Report (Date of earliest event reported)
SYCAMORE NETWORKS, INC.
(Exact name of registrant as specified in its charter)
Delaware
000-27273
04-3410558
(State or other jurisdiction
of incorporation)
(Commission
file number)
(IRS Employer
Identification No.)
220
Mill Road
Chelmsford, MA  01824
(Address of principal executive offices)
(Zip code)
Registrant's
telephone number, including area code:   (978) 250-2900
Not Applicable
(Former name or former address, if changed since last report)
Item
5:    Other Events and Required FD Disclosure
On
December 30, 2003, the Defense Information Systems Agency (DISA) issued a press release
naming the Registrant as one of the vendors in the Global Information Grid - Bandwidth
Expansion (GIG-BE) project. Following is the text of the press release issued by DISA:
"
GIG-BE Equipment Contracts Awarded
ARLINGTON,
VA, December 30, 2003 — The Defense Information Systems Agency announced today that
it has accepted Science Applications International Corporation's (SAIC's) final
Global Information Grid - Bandwidth Expansion (GIG-BE) system solution. SAIC has
awarded indefinite-delivery, indefinite-quantity (IDIQ) subcontracts under the Defense
Information System Network (DISN) Global Solutions (DGS) contract to acquire the equipment
needed to support the GIG-BE implementation of this solution. In the Optical Transport
System equipment area, DISA accepted SAIC's determination that Ciena Corporation
offered the best value technical solution. In the Optical Digital Cross Connect equipment
area, DISA accepted SAIC's determination that Sprint Communications Company,
L.P./Sycamore offered the best value technical solution. In the Internet Protocol Router
equipment area, DISA accepted SAIC's determination that Juniper Networks (U.S.), Inc.
offered the best value technical solution. In the Multi-Service Provisioning Platform
equipment area, DISA accepted SAIC's determination that Qwest Government
Services/Cisco offered the best value technical solution. Over 55 proposals were received
across the four equipment areas. DISA appreciates the strong support of our industry
partners to the GIG-BE program and the DISA mission.
DISA
is a combat support agency responsible for planning, engineering, acquiring, fielding, and
supporting global net-centric solutions and operating the Global Information Grid to serve
the needs of the President, Vice President, the Secretary of Defense, the Joint Chiefs of
Staff, the Combatant Commanders, and the other DoD Components under all conditions of peace
and war. DISA is the preferred provider of Global Net-Centric Solutions for the
Nation's warfighters and all those who support them in the defense of the Nation.
"
SIGNATURES
Pursuant
to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused
this report to be signed on its behalf by the undersigned thereunto duly authorized.
Sycamore
Networks, Inc.
/s/ Frances M. Jewels
Frances M. Jewels
Chief Financial Officer
(Duly
Authorized Officer and Principal
Financial and Accounting Officer)
Dated:
December 31, 2003