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Title: A definite addition to the library
Review: This review refers to the 3rd edition .I must tend to agree with the other reviewers . In general this is an excellent book as a reference and well worth the investment but I have found it to be lacking when used as a tool in practical appliaction . Mr Russell's description of link alingnment could , in my opinion , have been greatly enhanced by the use of flow charts ( see ISBN 0780311582 , Enginering networks for synchronization, ccs7 and isdn , page 133 for an example ) . " A picture is worth a thousand words " springs to mind . Also , when refering to timers for level 2 and 3 Mr Russell does not actually list either the ITU-T or Bellcore values . A simple table would be a good addition . I found this to be particularly frustrating and again turned to other sources . Having said this I still strongly recommend this book .
