00441nam a2200157 a 450000500170000002000150001708200150003210000230004724500410007025000120011126000460012330000270016949000450019663000220024170000200026320251203110813.0  a8181472063  a004.6bPET  aPeterson, Larry L.  aComputer NetworksbA System Approach  a3rd ed.  aNew DelhibElsevier India Pvt. Ltd.c2003  axxvii,813p.c24 cm. PB  aThe Morgan Kaufmann Series in Networking  aComputer networks  aDavie, Bruce S.