01130    a2200217   4500003000500000005001700005010001700022020001500039035002300054040000900077082001600086100001900102245009900121260004800220300003400268505031000302650003400612856009800646856009000744856007800834Nust20230118130546.0  a  2004273037  a0470854324  a(OCoLC)ocm53155690  cNust04a650.028,HEL1 aHeld, Gilbert,10aVirtual private networking :ba construction, operation and utilization guide /cGilbert Held.  aChichester ;aHoboken, NJ :bWiley,cc2004.  axvi, 290 p. :bill. ;c24 cm.  aIntroduction to Virtual Private Networking (Page-1), Understanding Authentication and Encryption (Page-23), Understanding the TCP/IP Protocol Suite (Page-53), Layer 2 Operations (Page-79), Higher Layer VPNs (Page-133), VPN Hardware and Software (Page-203), Service Provider –Based VPNs (Page-261).       0aExtranets (Computer networks)423Contributor biographical informationuhttp://www.loc.gov/catdir/bios/wiley047/2004273037.html423Publisher descriptionuhttp://www.loc.gov/catdir/description/wiley042/2004273037.html423Table of contentsuhttp://www.loc.gov/catdir/toc/wiley041/2004273037.html